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HomeMy WebLinkAboutSUS107Volume 3, Residefir and Juveni le Agadramous Fi sh Studies Be Devi 1 Can~qnn 198 2 m J~,~~s F~ 4 repo~~ gif~;ee ~f 8. r-ve ,a" vol;~k-~e preszatati~n of' the a@hex5es9 dgb82fz,-z pf s . -it .aid:,IL $-P%--~J-~ ka-t, 2nd jafi8*reafi2 fl~~fr;~ data collected 44 y the Alaska Dc;pare- [EBZ;~~ c,f FSah 2nd (ADE3&6) S~git;?~ f%ydmej@e%~ic ($u ij:jdro) -. &'e&sibb!lt1y &ez;iuatAc :;t?tdies P~sgram dur+ng = (Oetooer-biiay) ics-covered asad 148% ope21 y~tmten. (Pday-Qctober) seasonis. It ie- one of a n,jj5a as eri"8-d e- +=-, sf p~ph~rt~ p*.epnrded far the Alaska P@iwep A$ut:ki~rity (APA) and. Y a it8 p2:),ri~~pal D~~~~..~~~~~~~ A Acres A~ne%aeail (Acres) by the ADF&@ and - gethcur eenntriictorr; io evduate ekne feasibility of the proposed susitna i3 -y drc;eiectfi@ Projecl * '=zrtis Vrliiad+ -2- . w-l. drar"e is an. in%ii~nal wsjrkd;?g -- de~ument and iantended far data ".*ansmil%& to other Susiina &g-dro-- Fz-.asibi;iig Sr'udy pnrt!ciparai:s. A fir$& peporwwial be clis-.- $i <--nauled .-wb$ .)" April 1983, I*CL*' 0: "#' p i"" L12~4 dl ~'%d~~~i~*~~,7~~.ioa~~~pw.s~~p+srn.aosc~o~vu.~*~~~iiace:seeurrus a w . e e XXi i k. :$ - 1. I .C Larlg1iil~g ;LIC!:~~ ...................... ) t!k -4- Q$str*{bution and Kclatfye fibundance.. j t! "6 ,P- ................ ["!6\/uri;i:~* grstj oft, :u -_ . . . 71 ", I C"' *em# ,+ - ~nil~~~~~j~ P -2v*+aiy*ti-b-. -:it,, . ., ..& or! bvi,ir<~ i QS. ...................... 176 ["' "4 d:' ""T" -r, ! b,- 1( *-- $xfx: tic ci-i:;! I rjij. ...................... 1 J#J t-" ; j < 5 g*p: ;pj+='$ #.*#. Y/j , : >, t ,.*; atjd f:;- 1 at mi qg:! &b~~ldar~<be, , 1LjT p<4.a,.-. ;-&,dtf H{j*L<f5f$(2j-;& ~yj ;q-;z4*b-4-*iGfl ,. Q~W" p2 -" k 4- kc ;*?z 4 %' IldsC**rr*-IIEa-,*n.fi2?*;61*4 2UG ?" 3~j&%J~4fi~jecu~wq~arm*+w adiisi*a r-r-ywV %[$3 +A" $5 rg ?'jtyjt;fi: 142 !4azc%J-iijg j\f'-g:~:;* * * > * * * % $ L<\j,j *j "a - 6 ............*.*"...... ... L. 1. ;.ongrt-;ose Sucker',. 221 * i- strjtiu?;; on ,ind i&'[ ati YQ /\bundbnce, a 221 kdul t [~~~~n!i~ri~ afjkj fl-jyr2<~j~n p$ - v.hueri!s., . , , . , . . + , (j. (j. (j.s , CI M. 4P E* 224 8- ~~~~~~i~g.,.~~.~.,~,n41~(iis,0bdW9Md.IUrir5.. a - 224 f" a-.W ............ ;,jui.pfil gea~jng &arcac.L .. 213 ,w . , $- .", -- a .I ............... 4 1. i 3 i iri.*l;,-rp*irie >L rck leback, 232 [)$ str-i b:i-t,i !;fi f(&i at:'i ye Xbcjnd2nceD 23% finli'i !.joveiil;14 i ~rgj Mj gr*d ti on 3 "9 "7 P(4,t,*,*,,,*+ 4 b%****1* i*.*,* auev*.* LL,2 -& 9 "2 5 .................................... 5phwn-l - ng. - ~",lupn-g {e K~~~;->~~~ /laj-p;.;: d,td,,d,u,.Md.,,ye 235 4 X+ p3g.p~ - ~~-~>,~ fdli;n of gj;ai-s:r...-,s;--+8 *- r; 6 . dii8 I j j (LlFi-1) sites sal;ipira l-+ a **- r:rj tile Sur;j Cn;: it*! vp>*3 Jidiie ti!y:;jugi: 3epceai!Jeta 'f "R'i L a !A3 YX 3 iSY 'f f3 r' .- ;j 2 5 <:I-;jno~k s&i!fic;it jpte0-j jpz sq-a !@ a~a1ys-i~ of ;ige c"/ar;s ** i- * composj t i ~20 f3r r 1 ecled rmi i:y survey per? bclrgec.rg Z" v 4 k 111 iet arid DCW! i Cani/i~i!, %J 'i9132.. . . . . . *. . , , . . . . . , ,, . . . . , 132 i. ", * *I i&g&; jj-*~-*p+J {;cJtgfJ %;]]&f&fi qjjpgyfj-i!Q*: 5 $pa;j[-~ j~~jg[~;~ dfjd fJdf!fp$ pJ: *;ef$at*f-i$ TS I*_ ijj4 $~e k:pk2ji2zg cc~k s[fii~x, $idiff fJgvjMj (:ag:y;cjf3 " -is*> *a 4 - i%bi,~i7~~ ti: j\p~'i 1 ip?it. &. . . . . . . . . *. r.. . >. - I I I - - , r- L?, 4k.m ;-a -*.- kt, 3-4 *-a4 i -I a 11 Ql ,?:% +a- h-n ;< * ".?- fQ . "1- > $q *us- J I"" i "3% .-- i.-,i w -9 L2 L.2 am- *- tL3 "3 It> >%,h" :3 <;,j +2 *--* ..-": gv;..: Q\, t3 r* L"", " 0-2 C . s. < 9 >---- gd7 I^Y- i* r .tsi A * -- ,-+ q: LjA2 d: f $3 ^U *,# * iT -" 4 a t3 c t'? g:# ;-.. -.- * - i C <K< -I2 ws, +-- C*! TJ 3- 3 4% "-9, '9"b --. -w b+.> E (i -*r* c:? :zy' * 4 sz e b g-7'- * @ a* r5 6 7%- C. --Is %"4 0 4-a w* : 2- b * 43 r * 5 48 * ~5- 2 * k;S ; g-. GI * 0 * PC- * 13 r-$ e u 2-1 Ip rp 4: K t 8 P e re C ,e *"7 -4." c a* a pa p " -*>* e I i'l rc -v* 8-3 5- T-J *..- k3-3 CJ *- U $. I &**l *'' - '-a iu. .f.-B 3 ,",["? t-i 22 Q !La' :: +& :.-a L: ~$3 , c.:: & fl U 3 t.+ -.-"- +J *> tL '3 :-** .,-... *,-* #% p- c-d .rxnn br. 2- LdF c iz $3 h b - r- *i-- :-:, :x? .f< *:*: 7- 2 rc; G3 i,#-3 f-2 C* ..% * <'I .-- 4% 'Az "x- +J . >#B ,pPUI(* -** -2: a%-'- ** *"y #!! *- *& 4) q7- -*" ->--* up V L- 4 LX T:I Cir C,' m, t ?&- 4- tSI"j *-s 4.2 "*A an: <&j ;z"&-- r .-, c4 b& ,La CZ a k) %*4 9 9 L JJ 11) 3 a B . *cz 1 +.3 d ,,- &a " 9 1 d &;Q GZ LW ;r"3 CCt a-* *;". 2-* xZ~ a E EL "fa- rb e- L &J d"3 a- s-." *P- -5 - G-9 53 - -& *- 5-J c"$ Q,, *E -e c3 cz "7p. Xxr * tag C1.l QJ * p-,b >> 2 Lrp. cz TI :: "*re ""c l,r' Lt.3 "??* 6 e .-#a a*.& k-+ cw:$ 3 rm-d 4 "PIS* '-y k& cma * Q* v; ." * Apjieric{i x i aii'I e 3s-A+d43 i-origiiose suc1f-g- ca*tch per unj t effort jcj*>~E)? at aesigjn$i2& Pj sbl I{ im il-a 3 -&& ([j[~l.I) s$$--s jgl *tile Si6js$.cjqa [ajg~j- betpjegn G<;.,:ersle Creek 2 atid Portirye Creek by year type, May idij pi~uyfj 01; to be^, 1332. ewewor*ucr*erara*t#dr -. * {j i j f'" ; i;"j <; o.' . * :"i :l;i i z , ;; , s? 5.. ~1-,,. I ,. ,X" C * . ., ~-;,iJk~l.rsc~-.;,~i * il"r-fk-f'+i", . , a* jZ~i*l~~t~;j~~+~~~.ggy*j~j~jrfkl -*rid * ". , g 4." I 4, . ~ fi$;:i*<ij ,, 1382 ;JL sl?:&s ;;:"fi f$e :;bB$*{ x: t it: ,I .." 1'1 -', *" Ck:-. '..,.., ;\ ->;?:;!* pJg2 i{y;*7j g..<$+.;'j ; **',:!fh$!-!f1 * ,-* "> ~ * * rU p. " * 1 fi 2l.j~jy y::!ji/jjn catch pp;' ii;'ij't fi.F.f~i~t " t' f-" L k art-S J $I- tg i., t Di.5 i qna keci Fj sk Habj sj"c;s jfk $1,~ SusjLcrla ~~~vq~~~~ ~~~~~1: 2 afid pi)k4f-;is kb gG Cr~eit by gear typi:, ry *** May through October, i982,. .................. tc-f i!! P A* "df /*,f~f*";i,iC]X *'*"*2" i ALLLJ *-l" " "'- g, $ P p;ji?p!*{u-] #J: ; r:+j @ (5 :$-[;ee2 < t -' :.b 1 i.:oo{< sa'{mofi ju.v.en.j 125, em &~:rr;s ireaii; iiii g rar1-t i;rrrp ria 1 t y and ci;iiu "i tie cakcb: aigd ca9.cl.r per /~~J~~ r, .. a- * i.p 2 I(; iu October id, 1982.. ............. - * *# #- &,~~en? les at :;lgkjqh 11 in September 19f+%,..,., ......,. 2i.jXVXVc.kh kh,II CdiQ:&rweavP PP1gCO+&e fn fAl C: "I" 9 i" +;e rr $ ih - ;? uriii: use<i -I;o sample r~s-ideflt * * j iil bfie 3usI-f;fla I* jajyer betp~eef9: j*(->d- . iillet arid Devi 1 Canyon *[ 6 *& { 1 i* .au y ** - j F j :jdz { P 1 a$-; 3-2-1" ) . !pie gddi t i e7 ec~ro- -'" * sf t;oai:; ascisced ii; the saiilpl jag i;f res-ider;t fish po~j~~;:$ions r!j!j*in~ maifirtecg 5-:irljon spakdn*ifiy si!rsyeyS cosjd~~;j:e~ jfi jlugijst ll i - ?-f":"p [,Qnjje;Q f' ]"he ILrigth -% 0-7 time spent eieczrofishing a site ranged from one minute to w ** 45 mi nu-tes, i he area of sites electrofi shed a1 so var-i ed tremendously ; someis4jtes t.!ere fished for a distance of 20 yards sqhjie at other ~i.te~;, * ! IT L~ ranged in length up to several mi les. A site often encompassed a variety 0-f' fisir tiabf wi ti.! v~~-~y~ ng s:lbseu..rites, water ~ef QC~ t*i es, t~rbjd-~tjes and depths, These procedures wei-e usr.<i! .to cover ~Ll-re broad range of' habitat con- ditions 'Lhaf; exist in this system, Data coll@cted at each rite included time fished, dis'iqplce .Bhd w Flsked, and catch ?nl%ormatl:on. Biolagical data bdei.e cullec-ted on a14 i-esfden-t fish captured and adult resident fish tg~ttgqed 3s spgcjfjed in "i;~ procedures manual (P.DF&G, 1982 Rzcaptu:bcs pd~ve also recorded. lititta'lly, burkot (~.uta Iota L.) were --m-.=-w* i;aygcd tl:;~ tfanyli.: ;tags and d: '1 0.tl.i~~ resideot specsies were tacjg@d t@ 8 -i r.i! a- tl oy arrchrjr tags, L\fteua observirlg tag retentior) on sevev=al bur9bot " b* i.:i A, ma* " ilru L rderc cry a;rcirilr eii~ged d~r~~~g the 131-37 f fel d season and recaptured "t Fj t*> 5 -ii; Mi.y j3ad, a dccir;iai- \.ids niade ia itlsri tag R~urk~ot: u;?:f;h Fliiy ariciltjr %I> a* tJ 5 3 abdj t-i.i;n, 5~2'1 cs pjer2 fr~gq j~~en j 1 e 3~adr~m~~~ spge"~ a Qtali ths WeTE +J'~$~Pv Twtarsdl~ Fr~m burbot and Doll y Varden morf;a4 i ti es For agi ngi , At a'j] sltp %-a 8 ,s where z.du9 i, resf den-$ fj r;h spawning was dccurnented, 1jab.i 't ~3 -' G mrasinrements of water cherr!?' sP,le;y .:j, vda$er yelocjstVy and substrate compe- sid'iur~ were bake as specified in the [jracecirdres uriafiual (ADF&G, 198;?)., A mop is? *the spawning site was alscl drawn, A reprasen*tativie sample of w2 ter Leruaj~erature and cor!dccti vi 'ty tywas a1 $0 cnj 1 ected from a nurnbgr of other si tcs where electrofisking was conducted no spawning activity \+ias fat3ii7de Radio -t:elemrtu:y equipment used in this study was developed by Smith Root Carparation s'n Vancouver, idashin2ton. Equtp~neirL corlsi seed of a loirr frequency (40 MHz) radio tracking receiver (Model RF-401, a Scop anter~na fpiiodel La-40 arid p[:erb t\aansnijt4er$ ldjndel P40-500L 311 ) , rhi equj pment ba.8 used =in $+jle stijqly of ad.!jlt anadrom~uf species AD&G, 3981a Ra'inbow trout (Sfilili~ +-~-&.L~~~~~ nafreineri R-iehardson) and b~!r$o% were selected as -the target rssi dent speci;c?s Pnr the 1981 -9 982 radio .tel emetrjf studies n "Lhe OWP PI' rjver. Based on personal cominunicati~nr; w?th Carl Burgei- a mininrum length was dctermif~ed for each species to be radio thp?.red, G s Three hundred and r'ffty i~m was selected as the m-iniinun~ -fork ler~g-th sfor rainbow trout and 550 nun the minimum 'total length For btdiaho.t. 11 v~as that f j sh 5malIei.i tl~an -these mirifrnuin size% would not be ab'lt3 to 1;alera"c the finpianted radio tags, Five burbut and five rainbow trout captured in the Susjtna River between itM 7623 and Kk+ 1 from October 3rd ti? October 15, 1981 weye tisuci for tel erneti+jl studies (Appendix Table 3-A-3 "The rainbow .$rout arid laf ,a 8. cvle burbilt were captured by e'tcsct;rofish*ing. These fish were i.le'ld ottern.ight -in live boxes fur -.br;ervat?on, prior te, being r.adic- *faiiaw$ny day, erjch fjsh was observed to make sure it had j:ul'iy paa.i; ,,..j,ered *, iu.oitj @lectrosi7oi;)red anti waz, stijtable for rzdin inq, dd,99 * C i). i other three i-jmybo'l: Were cdpatured on j=y~tj jnps, !he c~~ncfitj~~~ of troti-:f:e raur~t1.t *fsjsil bias 2sse-,sed as they vdd<r*e c'ap-t~red afid i;fiac kdg~r~ thy a~d y-j yi)f%i2;~~ b~ere se'/ecj;ed pad.' ,b % tagged f:k;i%*!ar Sam\\? 2 + j i; yect,; c;rs I i\ 3y.g i :: i lsh tgere radio tagged. g;p:=;"6&:lrr.ed =;"g "'"&~*f-- ,* e ,, ,, , ,,,c !ei:.drese igbil'l $meter (fork length fay painbow 'trout 2fld "P "--" " ~{jtd 8 iepgach -For burbat), Scales were taken Frnm the ra<t2$ow trout for i ng pi:rposes, hewejfer, ahey weire regenera*tj 2nd unread~bl e. Bur*i2o.i; uer3e tagged ~4th htsc dang'ler tags and rainbow trout woiae -Lagged vdj.tll ~1.- , ~y anchor tags, A transmitter was then surg*Tri:lly iaipalan*tzd a'n the coelolli using a procedure sfrni I ar to that clescri bed by Ziebel I (1 973) P"&t(z 3-2-2 tli'ree to f'ivg cm *irrcision was made agprcximately one cm to the left and para1 lei tr? &he meid-l he 07" the ven-tral surface, cattir?g posterior'iy beg*initing sl3gh$;ly behind tilt. pelvic, fins. The radio tag was "Liren -it?szr"ced wivkil the an-tenila to the posterior of the fish, Edzh incisiorl was closed with seven or eight ii~dividual silk sutures, Each r"4si.r was then placed into a live box and held upright cun&.il it regained equiltbrium From the effects of -the anesthesia, The " nsh #%bere _, he'id nvertaight fop obserkjatlian, !he slrirres were then checked and the 9 ** 2- - -a imp i.da 'transrfjf -tter8 si gnaf was tested, Each fj sf.! was tilefl releastid i;kie vticirii'v of' *ib scapt~re a:*&&, ea~ Radio tracking fl iyi3ts during ClcWokeu. to Ja:\uary 6 were conducted only a'jcng the :ohisr:;tem Susitna River from mouth of aesht:a Rjys;r (ma' iu9 40,G) to the iniiutii of the Tal keetna R=ivs?r Due to a~ incj*ease -in the rauniber of radjo tagged -Fish tka?: were not located or: '!:he December &:'" " %O and Jal'ruilrhj 6 1 I =i yRts:, the search was expanded on fhe subsequenf; flight on Ganudt4;{ 14th th, by begl'nning at the mouth of the Svsitrla River and rzdia *tracking alsng the mainstem C;~sitna River to la7Ccetna (RM 97.0), $q bbir*p .&.a #. ;jurpases for corlductfng the surveys Ce ~nd the max-imum paflnG 0-f -tPse y5djcj yY -- he.++ OD yracnd duping tklc winter (observe the effects w .#a -5- 3Ce 4 L~c... j=trZ,c,,3-~-ppr~ L 5 5% a ) ; "c =find if the atPeal; where =!;he '4 " f-fJ,,u70 A"" Lcrggr-.d *fj sh tdere 'j aca.tei$ bjere areas where 1 arge 7oncenbP3tjofis 0:' re(;.-idt!~-+ ~i fish r.j-bc~qk :j%. .. ,e.e2 d dnrdiag winter; to examsine the radio tagged .f -{ r4 $ P: If h';" &-" 9 .4 .. . ,i:;*ge .=f-f-cc%s rcsulti ng from thy2 suryeu to jntgrna] ly inip*]agt "' n ,r; itre radio tags; to exarili rir tf:e hiibi tat where the radio tagged fish PJcire joc.jtufi; dfjd de-ke.d;mjne if the r.adjo bgggs;ci fish were ctjl] aljve, "7- i ire of resident and juveni le anadroinous species at specific haijiLt;iic s-i tes, begcrn io June 1982, reflects c7. change in emphasis from t r 4 * the is.,!. rfsi dk%i~"cari j ~veni 1 e aoadroneus program, gtudjes changed -c - i ; vrfi CL~~C: COT ler:i: ~~JII oE' b~.udii~basei di sir,ribul-,jon atld bjsioyica] dab 0-f * * 4" " rpcf a *J den:; ljrjd ju~enf le alladp~an~ld~ r? shes to ppavidi ng a more bebi led sbi;!iQy 0-f the 2cjkiatf~; envi rnrimenta'] factors affecting r di stributiun and reial-iiie abiindiinc~. l'he sainp'iing desig;? was based upon kiypati.resis that "' ~ne di clr-ii~utior~ o-aesident and juv~ni anadr~m~u:; ,fjs$itlaF -", -*a ;a r-~lated to 'irjfl ijencp of' the m;jifistern staae sthe atjaatic Y, ecrf ~9rjn~lje~*~~ ac,scjr:%iatea $j-i th 51 ough.; sgj 317 1i;jutarj l..c b'8,dF !!BE fl~t?~tfi~d~ UTE~~ I * ni7p pp~,,$c~i{*2 ~d:rkf-;lPs , i, , .. , * ; 8;"ert tile rar;i<z those? - '1 " s;:ii,o{] [] .?1'k!jt), =a i ps- .;pea: fjc habj $at s*?i;-ifes jnve~tig3tacl the tributary m~utiis, $3 orighc, v. ,> , so3 a,,lc 1 -3 sjril ar6-;2,-- cod ~~lafn~.t~~!l si ecs tba't .itwtzrg f rrflaenr@i?: $y changes in mafn:";m Susi%i;a River dl'scharge, l'hese sampl ing 1oca"i.r'ons were selecled based an data collected during 1981 jtudjcs which jndicated -that these sites conQ airled significant i.t.sicient"d$jafld juvenile anadromous fish popul a-!ions w% or l;mp~rt;jc-t flab-; tat, Seiiei~tee~ Decjsi garated Fi sh Habitat DFHj sites, ranging f porn Goose Creek 71;J) to Portage Cree/: (r\~ 1413,8), .sderc c~*~~serr fop the se,udy (Figure 3-2-2 Table :I-.:-.lj, A yene~it'i descripti~n 0.f each site including aeuiin'l photograph is ~ncluiied in Appendix F of Vcl, 4, Ttlese sites were a 1 4 fu'orn June through September Appendix Table 3-8-1), Two s;cnj~l-ing Lr3ips, approxinjately 8 to Y days 117 duration, were made each * P month, Additionally, t~ia DFW $lees (Portage Creek Mouth and Slough 20) \rc;y4r; saf0plt.d 4n ~:arl~ tlctohr?.ri Tlie only catch was tkjc~ isurbot caiscyh~: ~$1 t H- ,4t j ""'.' t* 5"" **vf**r ti:. ii-t, Port;age ~ri.ek, &is c,amyrlir,g [>erisd 1s not dj~~:u!;~ed f-!~ Y* kkl~ t* * INDiAN R* MOUTH- -.. I,ANE GREEK AND SSh0UGO.i: 8 -SLOUGPSi BA (:REEK-2 AND SIDECkIAPINEL Chu'j *j tna Poi*f+antz ct-eek R$acb -MG,ai-M-w--.--,- ._"_2"2hTb *5aew--*m-= Whdskers Creek and Slough Slurrgh GA i.?ne i;rpet; and Slough 8 Sloijgh 8A ;'louytj g! ~~f tJci y Cr;.ek, Mouili S" 2 1 6 L g - I I irid i an Re; yer, MQ~LII fU '1 3 109gD 1-2 <]U-jil p') 1" "8 ;# ruuy;~ 1.:? ~~<)~j;,~~jq$ cp~;~k- iv]gi~~f#)j S 2f3.j 05bJ 93 S 2811 05W 13 CAC S 28bi 05W A, ADD % 30N U3kl BQ BCD S 3oN 03W 16 BDC 5 0Zb{ 03 DAC S 31N fJ2W 19 ODD S 31,ki f'Jz!& 05j S 31N 02bd 18 " "' "1 """q "%,I [j[$G 3 -3 .l %J t- <; 3-!W 0;;!$(/ 02 ;\&A ** - $ qrj" ,, ~t-,,iJ 01id 25 C?\G 49 $6 e +-hppda G bp sl:~ sites on uppeua Indian River were sampled otrice a month @gsfi fry trays -From Jur~r? *through September aftd three SFH sit,es in upper Portzge Creek v4er.e sainpied once in dune and once -in '1 (Append-Ex Repart 3-D-i j , 3 ~,k,3,2 Hydraulic Zones iii-*.%s.rir7c** -i-i"u-* h*-"A*--Y 1 bT$ e 8 o if- rljrl .&*&r to f~:rthei- evaluate re) al;jve biologjca'i importance of tljc: ~~1.1 s i~j-ee during tkrj G* open waster season, each site was subdivided into Toner based oil the hydraulic ccndi tions present and arr the water. source, re Ti-12 i.ories ; the:; $an!;,'/ ed j ildppegdent] y $0 tha-t ;;id Lj $ti coapari soiss 0%: f.i sk distrfhutjon and abljrrdanc~ soul tj be made aiqorjy zoa@s ifi grader to d;.tfrmine i;l?e u.elative jffiportagce each zone '20 each spcc$e., Changes in the spatiaf diswfbc_rtion arid the surface arqea of i!yt~~a~'! ic ZQYI~~S avtr Ligiii? ~~lre c~vre latcd with s,~rresp~ndi rtg changes in the di sctliirge of the ma.jnstem Stisitna, qtuibulary or round ;dater rirlput, w a j 1; gs, ar3tj ijj ;;cuz;;j on of t/lci 5 ii~t;ct;t 9 f the? s tijdy 4r.p /- 1 iJ 1 z8-~ c c 9 fj 1 4 1 IJaine sisipijng zones \qc?re dee'iined (Table ",W ) " U i fie ourfiber- of hydr.au 1 =ir: ir;nos iiar-iurl at cc.& ssi c/epenri<ng -t * -r l:iri: ;iiiiiii.:,i.;.\i~ :;iiyk: ,:ti* i: ! 324 VI! : j ~u'/Js., "be d-~~t~ibi~;:i~~? zi;.n;?s at a ~yp~~h~-t*ir~'] 21~~ a I( 3.C t1ri.e;~ ti?;~~~~:;~~r~i~ " * * * rr u .- 3:- *- r b," a? ; ril.;;nk:rgc is ~;F,n~n ji-1 Fjgijisp Jq....r. /\ fuytil::y+ .a I "' , j ,i j 3 .cm *.L. 3il ijrij 4, ph4t t9 - I - , t"* vr, 1::+-sL !,ji8 t*: d, + yiq-eq$y; Pl"'lrilj*j ti;"; ?1-4 %U a 5 ~a I 8 ,is, ji" 2 Art.as, wjcth a trjbuhr*cy or gvoundwater wa"&c;r sauv.ce, wfr'ich have na appreciable surface water velocity as a result of a hydraulic barrier created at the mouth of a trjbutary or slough by !riainstem s-tage, $", d Atreas of si ynificant surface b$ab@r ve4~c<.i;ies, primarily inff uonced by the mainstem, where "cribu tary or slough wader mixes vrith the malnstem water, 4 Areas crl" s-igi~i-f~isan'i. survface water velocities, whjch arii? 1ocsted in a slough or side chamel above a "crfbutar~i coflfl ue~ce or in a slough or side ci~annel wherqe no trl b;l%a~y is presi:ns;j, when the s'l augh head is open, /ireas of sigiiicichnt water surface vei~cit-ies, which are located in slough or saicie channel below a tributary c~nflui?fi~c, v!he_.n the slukigh head is onen. -a. \\Slough 4p@--s=.- 3 -.::*M~~~~~~~ph--..-a- Wsad (Open] j 8 ~r;cici- re*iate fjsh d$s"r,jbkj=",iog i;o habitat varfal;ier, Tjae methods, j.++at-.al+-- La and discut;sion of thjs phlse of the study are presented in idoluae 4, part 11, Biological sampling at the 17 BFH sites was conducted in two, three, or four of the hydraulic zori2s presen-t tech site, depending upon condl tions. Fisheries sawpl ing gear was c? assifjed :;tandard or opp~r-tunfstic gear. Standard gear consisted sf minnow traps, each bdisted with a tablespoon of salmon roe, and trot 1 ines consisting of sJx #$ hocks baited with salmon roe, fjsh flesh and bacon. Generally, five to ten minnow traps were sr;*t, in each hydralalie zone samp'led for a period of three to $O~F "~irx~ Wesu"i+- ~5 af a 24 hour experiment to determine an adequate Fisl~ing tin~e for ininnow traps are con-tained in Appendfx Report t-L, Also, one drao% Ilne was set for 21 hours in each zone sampled 3'i"ia with minnow $yaps, i,-('? .- - a i-c. a~iic:'? Se;n?Dg zng a gi-hvel b3b- ai; Indian River - icopter Site 1 (T;~M 2.7). .+- - .*:a-;- 2-2-4, Elfctrc-fishing \fi:ith a hackpack eiectroshocker at Slough 8 p qsa;i I, ayl j i.,~., rc.ur;d whf tear$ sk afid rainbow troul;. Uetaj led deser-i ptians of .;" ~%eehnfques rise6 to deploy bi~logical sampling gear and mesthads of data col Iectlon ~$0 be Found -in the Procedures f4anual ADF&G, t982d). Sul fonate (!g!S-222 when necessary to nriinimize physiological sWres due iden-tl'f'ied, *then jcjieni le sa'lnlon, burbot and eottids were measured for total 4 erlgth in mi 11 4meters mm); all other resident :species idere measured for fork length, Adult and juvenile resident specimens greater than 200 im in fork length were tagged with a numbered fluorescent orange FIoy tag below the dorsal Fin Plate 3-2-5). Btoliths were taken *From burbot murtalitl'es for age ana'iysis, Resident species inorta'li",i;es were necr.upsbied to determine sex and relative sexus-: matai-1:ty ((Plate :3-215) * VS f- (I. .,, b." 2,1,3,4 bdinter Season P4ethads 1 i 1 j j i Setting a variable ii'iesh i gill net in an open lead. 1 j i / i I 1 j i C! :king an under-ice girl? net in :he majns-tem Sus-itna River, I i i m l Crea~s ~p~~akj 119 '~7 s)jwheel s at the Yenl',~a Sunshi vie, Tal keetna, arid Cari?lj st,dtjans far thle purpose of capturing adult anadromous fish also col ie~.te.j :latea or! adult r@.-jdeyl'i: fish catches 0-f the fishwheel 5, They * w dds! i y czatches dad a ! 50 tagged di-id meas~i-~cl adu 1 't res i $lent$ cap-kt;red when tjme aP'j~)gi_?d fr*~~ th~)i:- prjifiary $i;tjes, An effort table RX " recoid7: ria kd *{ L: siitv!lee9 i.ioiirs F i skied by birnonthl y siimpl ing periled for each l~c~r.i~~q w 8 j:; given in A~~~ x 1-ab-l e 3-A-6, 6'1 * 8d~i~~criaily, hook and 'isne, tu'utiines, and hoop nets weye used at a few selected si tes 111 ~ri ;.itcmpt tr: obtain burbat rand rajr!hoh, trau : for A r.aygi ng . Citch and hi ol no? ca i data :.jere recorded during these 0 *. 7 nil dental efforts, adu re:;*i;ients good cond'i tion we!re tagged. j! downrtu;eam migrar~t *trap emplaying an incl-jned plane was tleve]opea to captui*e o~"Lfiigraiing ~~s'itieni. a~d jllvcrrf le anariuornnus -fisher, the;! zLjsjena Rj VE~ Thp S i.2-q~ i?iciS iluiistr~ci;@rl cl~ar-ing the sprirjg ol 4982 arid was operated .From Ju~~L' 18 through October 12, except for short perhiodr, of down time caused by ir;aiipoweu. Ifmitat*ionr;, excessj\:e debris loads, or iiccd cond;act trap [godif jcd i<orls or ~rpz?irs. * I -rU) hle trap Was ijeplcyed rlk~owe tile confluence er' the Chulitna Rlveu. to "limii; the -7% crji l-..~-tfon of fish tc orlay ijppe - Susjtna Kiypp [he~,~: stocks 0-f fv;5h &.iv~'i<i rrjost likely be affected by cfranges in the rCiver crrndjtjons resul tiny from the proposed hyd~~oelectric: developlerrt; A 5-i te at "r.#r- [a 1 ic~&;ri;, base camp RM 103.0) was selected for ti-ap np~patjorr be!chtii+l a /F f si ts a.7 fig cha;tr;ej ri.,~rph~;::rjbr, ~p=tig;urii tdkp.th a,id v</ ocf-ky, and f ts 8- < ;;'!-j5t"": t"":y~~-- ,;:nfty tfi siOg*is'tf<:;il s~py;ort ~/-~l_~i(~~~~ 3s-2.-4t), * ? ified pl afle ~5s eig3-L long with an entifiailee opening If1ej3~eiy-ir1a tqe5 fee-$ ep7#e5P*q3 -J ~+(_tdi Gz and was covered By one-qaarbtei- ir~cl-, gal ~~anjzed hd "$"vda ~"i e #~th rr, on the sldes and hot-tono, Hand cl-ank pi$nches vietee used to idjust the fishing depth ancf raj~e fnclined plane fay e]eaning, %%V .3 > ;he i lvehox was covered by ~ne-efghth fnch hardwdre 610th on the sides and bot'torr! and was removable -from tfle trap structurr-: to accommo$ate c.?zan$i.rg and rebrfevai of capwuu.._.d fish, moi3e detailed des,cripliorr of trap cics'ign arid ccrns'cruc't*ian, "iechniques uti 1 ized to determine optirn~ni -tray p1 accment , and 1 and horizontal fish dl streibuti~n a-nd di urnal mnveir~en ts are provi ried j n dl~pendi x Report 3-F.4, "a 1!-1(3 date fished, e~ffort, catci~ by species, trap dep-th, disbance Froin share, aild 1 jvebax mortal jties Here recorded d3-i'~ y . Specjet;, age total 1en.;tij mill jmeiei.:; ci 1 bd recorded, Scales weye eoal'/ec.ted from a subsample of captured *fist1 for comparison to length .. rrc.kiuc~cy , + + s. di str-ji~utf~n J:a dt.'termine aye ass co;iiposilion bjr specles. -(_ V ' 4-2-s.3)b sjtrs plzyae between fit4 TpG ,-, ,3 and RM 142,0, 'These sites bjere selec~ed because they were considgred Lo be representative of the majoy hayj t8 tvogs 42 a arid because they were expected to have sizeable gic~pula.t.ior!s 0% Juvtni ie sc'im~n, D@tai'ied descriptions of t;hgse s']r;uyi;s and -t*ribi>itaries are presented in ArspendJx 4-F of Vol~jme 4, Coi lections were made every ~ther week in August and September, tJuue:!i je s&?!nori were cui'Iected by e4ec'cr~5hockfng, mini-icw trap, and seaines, Seining for Ju94eniles was not very successful aild lnras used on1,y drir.Sr!g .the i-:ugtrst sarnp.1-ing trips. The use of iri'innow traps in slotici-,s Qdas discontinued in September because electroshocking was found to be 8 rrlore productive 2nd cff fcizni: col iecting meetl.ind in dl 1 slough:: sampled, Miurn;~w -traps, kawejjer, were the rnost successfu'l metkiod in Fourth of Ju6iy Creek, and WEY.~~; ~ISO effective in indiar! Rivc:r., Traps rvera used dur-ing to=tE, August and September at both tributapy sitese rlsbi ."-%"$~."~-i. ,t 4 Gg; Leo a were irr:n~edi ale*! y preserved $ r; 70% e.$hanol, observa#ti on rlf -i;he fir.5-t several indicated that $:hey r~gurgitate their stomach contents kihf+n preserved by this method, Tki. body wall ole large gr.abter ti?a;n 8Omm) was opened to insure rapid pre!snrvaetion of the stomach cogtent$. We atterf~p-ted to ~~llect 1,s t;amples of each species of juvensil@ salmon present at each site, Generally it was not possible ta collect this many of each species in the time available for sampling each site, if more than 25 of any species were collected they \lgere easede Invertebrate samples were ccrllected by using a kick screen and a set dr*ift net, The kick screen csnslsted sf a 63 x 83 cm sheet of "t~oseeun~'' netting, with approxiinately SO0 mu illesh (Plate 3-2-11 Thls sct-een @as stretched beweween two dowel 5, and was held by hand in the stream. The substrate was disturbed in an approxima?tely two meter square area .irfim~bjate'ly ijpslream of the neb,, and the d.islodged inv@v.tebrades were carried by the current dcwnstream into the net, In areas with 1 ittle or oo currbev!tg the screen was ,>usI.ied th~oirg12 the sampling area.. Kick &A s~~~~,t .;, r- a.7, -a lf- COS~~Z:%~~QUS a$ Invertebrates vge~e carlafed out near areas w!b"rs';.re ."":=a r;,h had been found at each slte, Usually two col lcctions were made at ' P i.;i~fj sf te ujj o:aijj ~diiip ll date, stakes (Pmjg*te J-2-12;. Care was 4;ake~ eilae 'tj3e nee be by ttiju str- sriallojdy enough aliobii at least eighecrn of its opeiqing "c be 8s-* ahaye s~~""$~~~, Ihe net ~in",~-Pt in place far a minimvni of tijrec. i.lok;rse Invertebrate saap*ies were gjrescrvg~j 4n 70% ethanol and taken t3 the lab in Anchorage for sorting arid identification. Ffsh s"zomi4chs tdere renricived by maic-ing one cut just pos:terioir tr: the esophclgas, arrd one just anterdor *to the pyioric cecae, The contents irrGtPr ec and rjxarcined lander a djsscetfon misroscope, only those inveratebrrztes wti-ich had both a he*~d and part ~f .ti?ejr body were co?;qted. Fn:lmc.riifj~fi &;is done if; this kqay to prevent any rrumerical bias jejng g1;ven is6 those irtvertebra%es wh'ich c~u7d be recognjzed y the head a'lrt:!e, i;ii6iroiloraid larvae were courltec even if' only their head re~ijned a i because ~iiiiy iii-e soft-bodied, and a'[ 4 but their head capsule is ralli lL 17 J i *$ digested. rr was fel t that tf~e"i- numbers counted v~ou'ld not; be r~~jre.;~fi~~"jv~ nf ijumkej* consumed unless the count was done; itl .this y42y 9 ;& .; Lqirire report was kdyii;f;e~, manpokd@r ljmita*tinns djd not afjow the - F?/ examjn;$;j of; e-f a 1 4 co! Iecejons made duri ny the 1982 season. Kjck screen saaipS3es From our early August and late September samples " wi! 4 be Q'B 3 T"$ * 3 r,,.!.l nei; as me permi l; , 1 kbundanre of each prey type in .the envfranment was cornpared its 0 abundance in the stomachs sing Strauss 1 linear eleei;f vity index (Stranss i"319), The linear .index is simply the differerlce between 'two proporti oris P, -p, j wi.;ere r is the percent of pi-ey Qypa i in the B ii i 5.i-omachs, and p, is the percent of that prey type in the environment, I *i YS- 9 linear siridex ranges from -I,O ta +I.& Positive valus indicate the envi ronmz-n-t (porsi tive selection RegaStive valiies indicate "cat the prey -is efther. iilaccessfbsl~ or. avoided by fish (Ilegal;ji'e ues near zero i ndic?.te randor0 sel ect-iun nF prey f roili the psi n9 :,hc: aca%w+pqtd*q ul gldb~ la #- given by Stmuss Strauss 1979). *% 30 RESULTS -re?."*-amw *.+*m-sm e- B %" ..a- s, l J # ,cr i button and Abundance Stud%es E[even species of resident fish were captured during 1982 fieid studfes ccrrd~c'.,ed belaw Dfvi 1 Cargy~n (KR 150.2). EndividuaS s of a1 l these -f~ecies were also captured durjng 1981 ADF&G Studies ADF&G 1981~ Bcrincj Ci sco (Coregonus l aui-ettl;e Bean) ~jas ea*tegorimed as a resident ---%--* --~.'w~~+s~~-~~ ." " p 1- In ADF&G 1981~) but. now is discussed with the adult asladrclmous spscjes in Vo'iume 2, One rt0r.etheu.n p.i ke Essx Iucius C, was captured in the Yentna River (RPI ---- n-rh*#-ca 27,5, IRM 6,O in a *fishi.ri-~efa-i orr August 13, 1982, En 1981, one adult nortf;ern pike ?!as al sn captured near the Yentna River confluence 393lC3 bkpparenrly f 1 sk 4r.e cxpandinq rar:ye sinr;ply wander-. V- iny dawnr.ivcr fronr se\icral lakes the Yes~tna River drainage where ~IIQJ~ ~s,rei-@ i f !EQ~] iy trafisgl anted during 1950 5. E*i gait ~a~[ nbw trout (~almo g3-i rdneri Richardson) were c3ptnred aterr$ nlj wza77-dmbamm. -m.* mm*s-- 2% e *- ~be fce-coyeped season *fro~? February through Aprj I (Apytendj x Tab 1 e Four of tljese ffsir captured jn the rfihinstern below the G";.rr4a 3 Liia Kj y2p eon-fj hence, whj 1 @ the ~ther f~ui* ~apeljrgd amthe Qeshka Rlvtr (E$l 30,6, TKN 3.51, Goose Creek 1 (Rkl T2,0), Slough 10 (HK 133.83 and S"iaugh 22 (RM It$4*3), kr?o*;her 3117 ~ajiiib~w tt-0~-c weye captured between May and Ociboker 3-3-1), ~~1-l ~+CQF LL~) A total of 207 rainbow trout were captured at '3 $- io of the 1-7 sites Appendix Tables 3-A-8 and 3-A-9). The 4th of July s " ;reek BFH :;i*t@ had *the jaragest riumber of raffib~w sampled wi-tfi 43 c&pti~r~;d. et+her Df'lj sites ; than 20 rafnb~w tr0u-t weye %i * sil cap tukat:d i rfcj uriecj s;lfl-j 5ker.s ir%eei< and 51 ~ijyh, 57 ugh 8A, and Indian I?jver, !-%: d;il Prai-+ ltfi$fj Slo~ayir the uliiy EjFi.i dt wbjj~h r6j:jb~~ -trijuAt a * were caijgn-c, Other IJFfi sj-tes ai; wkljch only or ~BQ i-ainl;ow rittiVi idrt-tul'ed irrcludt2il R,ibtideu:i Cr~c2l: arjd S'toi;<ji.i3 Slriugi.1 19, $inuqbi ?I, iir afid pol**tag~ t,a~eeb; 6 , f 2 -F-i a .r,i3~k,; ICI-Q~~ bqej-e captured at f i\ 8~ fi +i-ibu",apy ~8 2, t five g S-ix rafnbop;i tr~ue werz capskured in the majnstcm by the dak:.nstream mjgrant trap and J9 by fir;hwhee%s (Table 3 Yhir- G * ly-seven of the rainhnpr trout captureci in f-i s i. uheels ~ei"i5 captured at & J 8"5 Lne sunsh? ne (Rl"i$oO) and J (4L20e@) stations (Append-ix Table '- ,- p. ;' --a p1 -. 1- 1 @ P4ovement and f4-i qration .+~~-~e,-a---..,~a~ m4-- Radioi:elemclu:v was used to stud;# winter m~vernents af dd~li t rajnb~w - truut, i he five rairlbow trout that were radio tagged were captured, tagged and released between October 5 and 15, 1931, Four sf the rainbow stieau% were captured at RM 76,3, the other rainbow trout at RM 84,1, The five -fish tagged rsnged from 350 mm to 455 mm in fork length, The fish were theri rasilc~ tracked i~ntil April 6, primarily with Fixed nlng air- craft, Fokjy~ 0-f tire rainboy$ tyouai, were located on 3n aerial ",-ackjng J flight w* .itnrjg;y &A Februayj Iiw~ of the painbog trout, 750-3 3i4d 760-7 laea$ed *in the east channel of the Susitna beet\kjeen the mouth1 of Lltt.1~ !$.lli 'law Creek 50,5) and the mouth of Goose creel: (RM 72.(]), Rainbow A 6fon.t , , 7$Oe,2 was located jn a side channel of the Susitna iRlver at RM 6's .o. '%-m , ! hree af the four rainbow trout were 'located on subsequen-t flights after if~brrnai~jt -110 but none I~~OVC~ over 6.5 miles after r-.his daerle, The maximum mulscinen-t by any of the -five ra'inijow trout was recorded sfor fiiinbaw trout ** ,.sd ib0-3; i"c.rfluved %J,3 miles downstream s'n a maximum of 12.6 rf3ys. Tki-ee of the r3d.i~ tagyzd. rairjbow trout moved upstream between Octobei- and Aprq.i 1. The fartiiest upstream movement was ev-idenced by rat nbow trout 740-3 which moved 4.0 miles in r maximum of six days, Xec-pturc of ti~reci of the radio tagged rainbow trout was a'ctennrsted .in February and March as the radio t: approached their ba",eey lVife, Mowev~r, none ow; the radi -t:agyed rai nb~w trout bjere reeaphured dur-i ilyj *the$-. trj ps a arid tb2 overail re~~yf;~;~ ~f fish taggecj fn 4981, 5,3 percen;l: (11 -. of- 206, orje *fish was ree:apt*ured tw$c.-.), \ he rficovery rrat eof rapinhaw +rrrut %r &d f"3f --jdcc P CAP$ in 1982 was 92 percent (18 OF 195)~ Ar3parien.t rrir;i/emen-ts of tagged raInbow.- were . imieed, Only three of the ;"J raf .-L* iiu3gd $ tw~lrt tagged in 1981 and recovered fn 1,982 were ca,gtured more Liian f%ve miles from thesir tagging location, Similarly, Idass than 20 pi;rdccrr"r, 3 fj 313 of thz 98 rainbows tagged and recove:.ed 1982 moved r- Pi u~~Ju*~ that] *Biye miles, 'S'tdentt~.-oa.re 3 a$ $he JL yec~ijey4~ie made jn 1982 skioiwtlr? m~vements of ciw mile or less, The rnaximunl moi~emeni; was rnade by 2 ra*irib~kd yq-ss i uut tagged at Birch Creek and 5Suugi3 on May 25, 1982 and then recovered on June 2, 1982 by an angler at Fish Creek, a tributary (J "f +A b.~e 1- .. Tal keetns River 17,s pfygr miles upstifieam. Accti c yray'i fag bjel3@ 34 co -a ;iBa ca ptured at ten other tribwtaries and S~QU~AE abave %he Gkeu*[ itna Rjyeva co~~efluencg a~d at sjx .trjbutarfes a.a?d sloughs ow the conmfl aegce (Append; x Tsb: es 3-A-16 arid 3-A-17 *total of 143 Ar@*tic g~ay1~ing were ~aptilr~d at these SFH trjbuiap;! sleugh soixes; electrof-ish~ing captiired 216 Arctic gray4 ing at SFfl iQ3- inains"eeiii si-tes betkqeen Sale?: ar,d Dzvb 'j Canyon, i he hiyhes"ic*tch G Arct i c grayling t SF sites was recorded at Jack Lorlg Creek (RN where 513 Arctic gra;yl ing were caught, Other SFH sites wilere relaeciv@Iy large catches wzre made in 198% included Skull Creek, Slough l" LS jRi4 %37,2 and a mainstrm site at Rt4 150,1, !he farthest downstream s+i-& where &rct$c gray1 ing were caugh-t was RM 31.1, and Rf4 150.1 was the fau.thcsi: ljpstreain for tile reach sf river below Bevjl Canyon, In ..each of river beiabd Devil Canyon juv~n~ile Areuc grays/ fng weye cauytit at. sites ranging from KM 35,0 to HP4 150,1. Seasorlally, high catches of ju~ei~f les VJere also recurded during June and September, r4svement and Mi srastS sn ";?vcri hurrdu-ed aad forty-eight Arctic (jr8dyl.i119 wer2 F'loy anchar tagged iri the Susftna River below Deyj'I ca;lyon betp~een 1980 ajld 1982 (443 jn I$J@) ~~JY*~!ICJ a tag agid ;-ecaptur.c program, Fcrty eight Hpctj~ c~rayjj;lc~ have bepn recapttjred with 45 host. ~;;~i~yy j ilg du~~j (19 1382 (AuF&e fl rdo,, ~39 @ Appelldfx Tabla 3-4-19 ffj~h u'ecaptuiffed in '/982., ten _* ~io*-ir~S-i-\6& *ei yra3 e*p s * f rp *, ,zsvg,rjes rjf fish tagged 10 ~36~. The pea- , cco~c?~~ i+ia*te for krc.ii,-i L - gi-nyl ing tagged .ir 1961 kdas 3,3 percnnt 0-f 30% j wirilc 7-8 grercent j35 fib-W\ ;;;' ~-8 c.ne ,$- !- a* i sh tagged irr !R82 viere ~.ec;,p*tijr*ed, 1'80 Ai-r:bjc grayling spav~neing was observed durfng the 9482 f.iejd season iri ,p d.., k3 .:% ,,, .i,i, =r ;.,,,tin $-$ +. .*.. SilsAitna Rr'ver betwc:en Cook Inlet and Devf 7 Ca~nycrr, One .Be,- reirrale, , 362 or in Fork fengSth and six years old, captui-led in the mainsti-m Lirisitna River at R14 60,s drarl'ng late /lay, discharged eggs when f"i sab~eiari was palpated (Apperrd?x Table 3-11-20), one ripe, ma'? was So #+.-t---A- ,os~iurcd durjng hte May in the mainstem Susihn Raiver Spent Mrctjr: yi4aylfng were captured at the mouth of the TaSkeeLna River on June 5, Lane Creek on June 6 and Indian River on June 28, e 9 i he iur~k lengths: of the "two ripe and three spent Arctic ~raylirig ranged From 352 mn! -to 488 mm, Analysis of ~;cales from Arc-Lie gray1 jng i,ldicaPic? tkiat %i??y predunlainately six and seven year old fkh Xepordc 3-~-i), gui-bot wevs.e c8ug)l-t at 1 17 OFW sites g 1982 (Appei~ijir. Tables 3-54-22 ;ind 3-A-23), The most prodajctjvf of tile i)[ZH sites for adults l;ijfddti*le w G?,P" ,,4~c-rc be#"& Creek 2 and Sjde Channel, Rabideux Greek and Slc;uyinl, Sunshine Creek and Side Charrn~l, B?rcli Creek arid Slough, 5lou!ih 68, and Slough ;? 7 dd *. a@ Less than Ffve biirbut cderc captured. at the mouth of 4th OF July f- ..; ... ~..t.#. c3 -, :,f , Slough il., Indian River and Slough 20. ~urb~t; were aicp ,, captlrred at a nuniber of SFH sites both above and below e- the Chulitna River eonfiuen@e (appendjx [able: 3-8-24 2nd 3-A-25 nf the SFH sites where birrboi; were captured were l'n the nrainsiem. Fiak-tviheel cltches of buvzbst were 'limited but aL Sesst one basrbo-t was &x. caug'tti: at all 0-f the *Fjshkshcel stations except iaikeetna (Appendix Table 3-A-26 63 ar, i +" ^. R j" P"r -3 2~3 tlurb~'t WEYE: tacjoed .a 9rr and ?;hpee tsy r.ecoyerj es wei-b rgade (~~ppEndiz "'(able 3-A-27 1. M~vernenfs represenst~d by the tag recoveries of burbnt tagged 4~1 1982 were O-l,6 miles upstream over a 5-69 day period. orre tJU .. vp,~2.t L~- P t.,1~0 recaptured *in 1982 out af 240 tagged d~~riny 1981, -4 r hhis burbut vs tagged September 12, 7981 axid recovered 68,9 m4les t~pstreitm orie year 'iatei. oii Septerfibeu. 14, '1982, Fj ije hii~bo"iwerle capttired, rad lo f:agged and re1 eased between 0ci;ober 3 ilnci iirtnbpr 6, 1984 in an attempt to study wiuli:er c~ovemeir ~s, Pvjo of sthe hurbot captured at kM 76.3 and three at BM f34,'I The five =fish Bi-- t3 tigged railged fr~m 575 mm to 835 mi3 in %Q%I leilyth. Tile fish \\rere rad-!a tracked uilti 1 April 6 pr-inrarily wizh Fixed wing s-ircraft, O~iring the earl'iect aerial "cv.ack.ing fligil'c on October 15, all five Lkr;t-bst located, rhy+ge of burboat had not fk-0~ the 0-f d; i;nefr 6 capture \qhis[e the other %\do moved Bovdnstrea~~ 0,6 arrd 1 ,J 81-i 12s Ibe.-,pei-,tjt (f~igure J-J-w2). d"'w * a e it,~,!r rbaiu tagged hrbo'i: a'i~~ made trpsti*eam muvernen*ts bet~deen Octobet* ij,~cd; hpy-j -[ -r ri;e maximum upstreaiil movement was made by burbat i'70-*2 trhich gyjyc-j 5.5 miles in a maximum of dAS bays, p{ecap$;u~e of ~PJQ radio tagged burboQ was attempted twice in ~4a~ch as the readejg.~ *tags appra:~a~ki@ci ~the4~ knowfi battery life. Initia*Ily aerQial #8 LT~AL~~ + 3 * ic .i r dig weis USE^ tn locate the fish, and then trot1 ines and burbot jj~es v set the vScjnjej es of the radio tagged fish via :!i~eraatj-i 1cs. i'Ie-iLher of the radio tagged f i sfi were recaptured duri ny 2, I inpse trips, Ice niigering in rke vicinity of burbo-t 770-'1 in the mainstein Susitna [;rjvt2~ awt RI~! 63,s did n0.t %how zg I the fish was a1 ive or dead, as no ginveni~nt was $c?P.ecTted. Two other nonbggyd duubot, however, .;-rere ~2 n4** a* ,, l.dred ut; "1 fzi ny 11 ,b gear uili es oaf' trot: and hgrboe set effort,a ~~~~"~t ~~,~..~ Was li3 -the n~a*ii.~si:eno at RN 82,0 and was apparently alive our4 ncj the two recapture atterr?pSts %:lade -i n March, Tel emetr*y cgeai- detect- ed reacting to f$e ice juqer when drill ing v ,cin$ty, M~yemenr ra;?tj~+d from 5i)O "1 ,(io(] :j~lri ng -tehme day of an earh! y &arc!; saiiy"i t;r jp, illis f'fsk was n& recsptjjy*ed; however, eight other ri~;l-aj:tg~;tz~ ::uusf;ot ~dpt~r~d i~ the ~f~'ii]-it~{ by 16.3 gei;~. units of ;*a..bi;*I itre: 12fb#j [F~l.iJ$][; g~ff-6~t:b fOsr - . r ddi ii "caged bijrbot so me~de upstream movements be.trreen oce~ber and Api"S1, lPle rnaximlarr~ upsgreain mavenieo"eiclas niad~ by burb0.i; 770-2 which rr-ouei: 5,s mflzs in a r;la.xmirnurg of' 443 days Recapture uF two radf~ tagged hupbat was atstempted twice in March as the rad-ir, Lays approached *their bown battery 7 ifc. %niti 3-1 ly ae~iaf tr8cki~g was used to locate the fish, arid then krotliner~ and burhoe ]jnfAA ivf3re P@+-%- 4n the vicinit*ies ~f radio tagged fish via SL rdritherb cii- the radio tagged fish were recapl;ured during these trips, ICE awyering in the vicinity of burbot 770-1 in the mainstem Susi'cn6 River at ni'+l 68,s [iid show if the rlsh .p 6 was alive dead, as no movemc-nt cietected. Tt\ro other rrzntagcjed burbaet, howzrer, were capt~ircd ~"cilizing 11.5 gear units nf xrot'line and burbat set effort. iluu.?'ng September an6 Oc'tober of 9989, 31 burbo-t martalities rvieh a total *I cligth %f- reanging fr3m 105 rnjil Lo 900 mm were neeropsied, l'\iienty:y-*two of 8;hese fish had iairger gunads *tl~an burbct examined in J~lne, 1981 (~ppendix Table 3-3-28], Adult burbut mortalities examineci duriog the 1982 field zrason also hndisated enlarging of gonads monthly, Zndivtdu- 21 eggs were evside~t 1:n eggs sacs of mature afemal~ blnrbot necro~sied in * B September. and October, [he minsimu:n leilg",? of mature female burhot $ampi ed du-i ncj Seg~<teiiiher and Oc-tobei-, 1981 was 348 rjlm vrhi le mature ma1 es tiere i;l; least 3'10 rr~i in !engi;h, Age - length anamjysis indicates bo.th of EU" c. ", 3 ;i,cst kAp""*. ~3~1-i were 111 or . G! year (ADF&G agkle), 4: -a- 's" i;P: Gi a *w rn c a b- L +j 2 -3%~ tJ> 3 -%z LQ 'P p- %- a,) &!! 8- -c <3 -a !c 3 z *% -c .{$ k3-- 0 42 Q9 0 >%Z @ LC w a F- ",F- a; 4-2 b- s 3 fdg3 :p 0-* " Ld-fGJQfi @ f!;~ i;*ighc;st catch sf yo~jfii "r,"hje@f&h 34, SFH sites was r'ecord~" J j (@d 144,5) where 60 fish were caught,, 5Fi-4 r \a sj-ppe 5889ifi3b ,lr.csr.~ &a relatively large catches kjere iflade 1;: 1982 were .tfie tnouiki; O *? 4= -". c= raan<eetna river^ (RP~ 97.0) and Skuel 1 Creek (RM 124.7 yfi21 ",,$t.+eg:en p i -Pi- sjt~ at @f 150,1, $he faythest dolqnslrean site where youad w~jj~~ffsf~ yjere catjyht RM 19.0, aud WH 1%0,! was %Ile farthest up- stream site *Tpr the reach of rjver belovi &yji 1 Canyon, 11.3 6dditl'c.n 2.0 the round whitefish captured by mobg'le gea1r ai: DFH and CF: h d So &.17te~~ kjere captured by fishwheels and 3 do.usnstream migrafit --a trap (Table 3-3-41. iwo i-:ufidt.ed twen"Ly-one adult fish were capet;ur.ed by Pj:ihwheels, Qire hundtaed and fiftyastwo 0-f these were captured at Rt4 7Y.O), while 25 were recorded at Talkeetna at Curry (R'l 120,0), and six at the Yentna River RH 27,5, TRM 6.0) str;tjsn (Appevrdix Table 3-A-33). The downstream rnigrant trap captured 410 jt~ven.i je ( -farkc length under 200 mfil) and .three adi;lt ro~ind whjtefish e s d~y.i~q 1%32. l he maximum seasonal catch at .the trap was recorded duriiiy early Jij iy when 221 round whitefish weye captured, El huridihed and *fnrl;y -*five round .ijh i tefi sh were F'] oy arlchor tagged be-i:b~een 1980 1582, (1,098 in 1982) d~i-jng 3. t~ly ;isrd recapttire r* pa lhirty-s-ix round whitefish have beer! rrcapt~red wfth 35 (97%) $~f those occurl-i fig durfrlg 1982 ADFgG 1981; Append#r x e :3-AW34 I (/ of the 35 fish recaptiired --in 1932 were "caged din 1981, The recovery rate of fish cayyed 1981 was 1,s percent (2 of 137 while 3,s percent (33 of i,0fJQ\ "8 z of the fish tagged in 1982 have been recovered, rauntd whl'tefisb.1 recaptured in IS82 ral-iged fruiri Solrr hairrs to 355 days betweer! time cl F <laggi ng and r.eca~~.I:ure. The max.inium kipstream rsrsveraent was 36.6 KI~ les piha" le the maxf %-oura dd~~di1slk~:.8eaa1-n snovemk:n& was 32,6 e" #-" r0.i les. m~jvemenf: was u4c;corded far* 17 (48,6%) taflth 32 szcap*turee .7-" f =i sh a he max-imum a]~~c~~n~f~ $ec~~~"~?d V'$Q~ i". :Jui *Bqdt3' or 1982 ra~2c$p'[:urel( rish the f-ish *tagged and rper;~ver*ed 'in "0' bqkl ~13 mo\/~d 36,6 rflf -1 k!~, Al-1 adul t ghsitesfcish captured 298% over 2130 mm fork Jgnclth evidenced spawning c~l?e)~*ati~in bronze cn back and sides) 4n late May. 891 af the 24 adurnit: fenlalc round whi.tefish necropsied bebqeen Cook Inlet and 'Paticeetna froai June "c September, 1982 contained eggs. One round whitefGish captured a-i: the iaou"i af Portage Creek ori Sep-ternber 21, had nuptial tubercles on its lateral scales. Gill r*aker counts kdere taken on 26 iiulnpbaci: whjtefisi.1 mor.tal.itcies to deterrnirie which species of the humpback idhi tef -i sh complex (Coregonus -_---- c-llad~eaformis, C, nelsuni, and/or C, ,,,,,A m,-----w u-d* a- ,1 -t4'+,+- chtan) - 1:nhabits the Susi tna "P S *"Fa River. I~JQ il~~ddl ySj 11 r*a!;ey count it; the best iiveatlud used to d$Ffer- t::nt$ate between soecies, Nosrow (~80) reported that in Alaska *the n;irjciz?l g-i 11 rake?- eorant for - Cf, clu~eaforrrlis .t-=< *-s-aw--yima-----m is 26 or more, N711..+.C C, - riel .T,~I. dm.w soni *sa-.u- is 7 &- .7* u.;ijagfy 75 and c1 j is :% ora 23, i,;hiikl-is *FpOfli Susiena Rfijey* .as.- mmwm*-"-$m%-%?%v A d- IsrJifipb;pck wh*i*te*frish rafigefi f';-u!fi 1.1. ta 26, w*ith 3 8iatie of 22 (fippeijdix '[;ji)le 3.-A-3";,,. Cic j j; f y:.eseihit ']I! thi:! * { ; tiJ jje a', [I] ~c~$j~[jjc\~te m'*r7** r " Br lr+. lU ' W -Lj *.'* -IXU Humpback whitefish were captured at 33 76"l, of $=he 17 DFH sites 51- though they weve caught infreyuetttly (Appendix Tables 3-A-36 and The sreatest catches of hurapback wbitefl'sk were recarded at f3 ie the Partage creek and Sunshine C?eZek, a~d Side cflanne7 DFn sistes* A a& ~uta? of 23 humpback whitetiski Mere captured at these sjtes while 54, were captured at all BFH sites combined, Qfie lan~nose sucker (~~-t~st~~~~s ca-t~s%omus Forstey was captured during d -Sam, ri* w3r-----'---.s ----------+ f+ *- ,i:e ice-eg\iered rnanti?~. fh-is -3ndil~lidual war: caught in a minnow trap in February in a rgafnst~m side channe'j RM 121,6, 3uri; ng t,he $@%-free mon*bhs of Maji Ckr~ugM October, 1,%30 1 ~ngnc~;~ suckers vreric capti~racj Table 3-3-5), Sixty-one percent of catch was 'Lt 2- at fie dobjnstrearn aijyranc ~rsp, =fishwheela, or SFH s=ites. Boat elec-tro*f$sh<ng gear bias hlsed capture 324 ( of the 441 longnose suckers found at DFH sites, Longnose bilcliers were raptured at dl1 the DFW si tees but catches bets;ieen ii tes varied "Lremenriously (Appendix "5- sables 3-4-42! arid ?-.Am43 The DFbi sitc- a"elidk1icI1 the must lorigilose s~ckcr: wegi^e caught was Ra$idt;.ux cu*eefi and g wkjer~ 69 were capeur~d. 0 they i;i .>-+ d*t i~dhidh !IIUV'~ than 30 'longnose slackers were capxureb irrc.judeb Goose (:reek 2, and Side Chsnne*!, Sunshine Creek ai;;; Side Chairne"! , Wkisttcrs Creek ai.tai S'iougkl, S1~u~h 8A. only orle -+* '[rjrignuse suci:.ei- \.i;~s captured al: both S'lough and Slough 19, i he caici; \gat; dfvjljegj fa-j PI y evenly amcirjg sarripl i ag periods O'JEY~ sthe course of tk~ apE!n waSi:ur seasun, Eight hundi*ed and eighty-nirle longnose suckers were tagsed with Fl oy anchor r!ureing 1982, iTighteen tag recoveries were made, thr~ee OF tj3;? es we %j %Ir [eaygea i f 981 (Kppendbix 'rab"ie 3-Ak-47) * $he rec,oije;-ry rate of tags deployed -in 1981 was 0,8 percent +ha $08-9 , -J~L ~F;'cov~\~~~ raze was 2,7 percent. A1 1 tilrf:e oP the longfinst2 5ucicc.r.fj tagged =in 1981 were rf:czp'bure3 at 3 Joca=cjo~ lesl; th3n one mile fr;~m they a4ere tagged wi.1-i le 11. of sthe 1 I, Iori;lfrrjse sucker5 tagtjed 9 4 ;lntJ recovered 2982 rgoyed fi1jtc ~l- I.--,s. i fie ather four 'jon<jilose :bucI:r:rs i--ecovc:red ril 1 riirsiied dowuis-treari~ arrd inovciiierit.: riinged i'c*uiir 1,' i.u 7,s sn*i!es, E'i :t-.. , J-$!--O rr!2;t< . .:t-s.ir a/ bsap used to capture 28 lonynesg! suck9p.s ranring from -1 yj - j,:;*j iqq-' f :9k '1 "%*a ,*** 8 A, + .en9 ~n, at tlte viiuuth of Trapper Creek on durje 5 at the interface sf the rr~ainsteirr arid *the -t;ribhata~y~ At this time, Four c'+m -.- <* 6- bj.i;(~ki? ly jiiaf;ure and spe1i-i: l~ngnnse suckers were captured (8pp~;r"' L,~QSI$ X i"dble 3--A-481, On June 10, only 13 longnose suckers were caphired 051 electr'ofi.jhfng th-is s$"ce. -" X roe mos~tA of Sra~zikmine Creek v~s the ather location p,vhef-e evidence Q$ longnose sucker spawniricj was observed. Feak spawning also ciccurrcii -, betore ll~vie !tl dl: thris iuca-tion; 2C longrrose suckeu*s wer-? captured Hay 25 wl.rilii or11y tk~ilc were ~5p"t~red Qljn& 18, One ripe m~le and artg spent "male vdsre captured an May 25 :'~ung of the year fangnose suckers, mean fork lenyetk ~f 75 rqm, rere ~5 1 . wbe , ,1: captured didring early August, 1982 at Slough 88, 'r'i~ung of the ye;iY Iciq(lnose suckers were also captidyed at Goose Creek 2 arid Side Channel, 'dh.i-tefish Slough, and Whiskers Creek and Slough, Djstrjbutjor~ and Re lati ve Abundance Boa-" e4ecerofishifiy gear was used capture D~'7y Varden at eke mouths of =brjbGtaray 5 s sr Sf+/ sites (Appendir. rsbles 3-A-51 and 4-,P,-52)e Dolly ijar+den were found ow the Chulj tna Wf yer canfl ueacg 3-k Kashwf tfia Aj vgy Rfd 64,0) Gray's Creek (RH Sg* j) lalkeeuhna River (Rfl YP,O) and Goase Creek (Rf4 72.r)), Above the Ckgljtna Rbi~er con-flu@nce, i:hp mouths of skuc! 1 c6- reek (RFii 124.3') and Slizrman Greek (RM 130.8) ptroduced Dolly s.* Vard~n. iw~:ive Dally Varden raigre also captured by boat electrofishiny -it> the ~~iairt~-t~~~ below the Chulft~na River confluence and 'three in the tnainsbern above the confluence, Fishwheels captured 27 other adult Dully l/t2pd2fi jIl tkje inainstem of which '13 viere captured above the cornflucnce [fitapendix Tdble 3-W-53), F:~rt:j-..;j;: ..+ i)olly varden were tagged if3 1982 in an @ffort to delineate sEa,Sc:"l? A , v/ rfsrg remefits. Seven i;f the tags bepl oyed in I981 and 1982 were Apjpendi;% Table Je-A-s4), Only one ~f' 59 ]y Varden I;aggeci irr !'st31 was rec~verrd in '1.982; the recov@r*y rate of tagggd 11981 -f 4 sh am#-.. 14 e. I r E p~lrcerjt Ihe recovery rate of Do9 1y Varden ta,gged Fn 'I982 was 13,6 percent, One of the Golly Varden tagged in 1382 moved 2% miles upstream het~jeert %he time: of tagging aijd subsequent recovery, the other recaptured fish moved much smaller distances, Threespine st-ick:lebacC: were captured at smx af the 13 BFH r;Sr,es (Appe- ndix rabies 3-8-55 3-/\-56). a17 of the five DFM sjtps hp?lop: the ctlnfl u2nce were wfuund to have threespi ne stick1 ebaek present., The site at \blb~iskers Creek and Slough byas the only DFH site above the confluerice L ;I thi9.respj nc s-tick1 @back were captured. Ca tckes all BFH sites peaked in A~cgus'r, as the juveniles reached a size where ,a,,,y we re catchable, B3ae I e;c,-t C sf" rrshing gear ~-F-*-.*-P* ...iei~cdft;~ *' 10 vchreespine a sticklehack at two rainst tern site; iind five tribut~ry siwtes below RFii 80,0 (b\pyendjr, Tab'jes 3-8-57 and 3-W-58). S.t;nr,e nu tkireespi~e stickleback ilave been marked, Ti Zttle data are ava-il- ,3bj e on ehre~spj ne sti ck-1 eback, !riovemerlP$, Ti Q inreespivie 5-tickleback rangii~g iii Seng'rh from 50mm to IOOrnm were ob- served irl spawnfng colors during early June tu late July, 1982 at OFIl sites below the Chul i tna River confiuerjce, However, no adu? t threespine ~~~~k~ eback were actual 1 y obs@rved spawning. Young of thi? year tRpeesp.ij oe s.r:-i&l @back \.aj-th tota'l 1 engl;hs b~eiqe@n 15mm and 20mm were +" , observed durj ng 1 Ju'ly atid early Auguste Sj threespjrre rj .;tici<ieback only about k$,5rr;if1 In lr~gth upor] haQ:bing (bqarrow 1')80), thpr;e fish i;.%?-e 4gaf -+ least c;evet-al kd,rieeks old at tile tigle th42y weye oh- s~if-ved ,, '" r~df scgfs3.t say be present the lowe +* Sk~sitna River (WD&&G 6.9gEc), but +J ia_ppeacs that eh~ , p-a-' ,i,dg majority a*? iirdjtjfduais at the sjtes sampled 1982 t;gycs. $1 sajpjns, p~rji~~e~ of further dfscurjsjan, 1 rc$tgoi, 3% c ga3iy4mr u,,~~t~red have been assurfled to be si frfl;: seulpins, S[ fry ;cuji3jns were captu~ed mjnnow br3ps at 61 s$tes duu*ing ice cottei~ed ~on ths Plpendjx Table 3-8-59 A t~fza7 of 4-3 jndfjqljdua$~ captured, and 14 of these were capturqed at Slough 22, 1 the $1 scul yij n ~4eu.c calj'tuyed at $1 cvgk or tu.fbu-[;ary 4.g~ None wl2re cirptii~ed at mainstem sites; however, minnow trapp-iny efforts in the mainstem were 'B ; +E ,,I,$*:,, r g #-Ec~ (Appendix Tab1 e 3-A-51, SI iuiy seul pins were captured both ;li?otie and b~lotd the Chw% itna Rlver canff ~ence, Duy-ing the ice free months of i4ay through October, 653 si imjb szuf pins were captured Table 3-3-9 iqosflt82:h) were captr;red at DI'H sites t 1% .+; r.esia7i.ldc.r were captured at the dawnsi;rearn maigrisnt trap Qr SFH sibs, fl'qngw 8 tq ttkaps, beach safnes, e']ectroffsh$ng &nits, and dip nets weye used $0 clfjtuw s"tyiy sculp~in, tribueav;+ 0.r ~T~ugh sides at which s7jjliy sculp=in were captured lncl uded fewr sites he1 ow the Chul i tna River confluence and eleven above (Appe:ibix Tables 3-8-62 and J-A-63), Tpielti;~ slimy sculp'in \#ere captured i;t mainstcm SFi-t sites below the ccnfltaence and 26 were captured at rri3insl;em SFH sites above the confluence, Slimy seulpins were oftar L. I observed at mosr, cites elccli-o-fished by beat but few were i:aptured due to a selection far u.o"che resident or juvenile anadrcmous species and time ci~nstrai nts. Sl iirly scul pin were observed a"r,r,early eve jay tributary and slough s'i'te sampled and they were also present at a large rrumber of ~fiali~\s-ten~ sites, vz * ihe hi;yhc?st catches of adult slsim,v sculpin 2-c the downs.trearn migrant tracj (Rf4 103,0) were ifj late June anti 'late July, a1tho~gi-i adults we2re ccipi;ir red whenever' tare *t:r;\p was i n oper;j4t.i on Adul t cdetchei; we use .Fai r'iy constant during the it;@ free nionths a.i; []FW and SFH sites. \41jr.c-tc~r i:;iE.chcs 0.f slimy r;rul[jfn wci-e % Y ri~ljlar. s~E~~~~~~Y+ ~di;~:he~, ~~g[jesi:-ioc~ 6 1 ; is) ~fqd tyI, ) I" ,,? ;r r*t pr;s"i dent yeiiy rdtrr?r;rr 3 0 specai fei c area-;, -rr K;2 dae6 concerning slifi~y scuipin spawning were gathered in 1982. !he 5 1.1~ ,r, -j capturf;s of young of year sl$gly sculpfn k~pr, mad: durirlg late July. At this time the young vicre 111-15 mm in length. a ira e Ai6~:"ii~ *I amprljy (Larrrpetra japnnei ca Pjartens) were captured durirry the ---- --- kqirli~r fieid sEasaiim a total of 62 Apcbkic lamprey were carleured in the dovdnstreazj migrant trap and at DFE and SFH sites during the cpen water ,L2 * r<~ (+I 8 seasari Table 3-3-10), Arctie lamprey were sampled at only "L~ree DFli si?.es+ +w wL 9 the ~psc~re~~n ificst s-ib bgifng Whfskefbs Creek and Sl~ugil (Appond-ix T~bles 3-A-64 and 3-A-65 The R~QS*~ pt3oduetive LiFH st edas Bit-ch Creek and SSoljgii] .achere 35. Arctjc larrlprey were c( aght. Sever1 Arctic lainprey captured at SFH downstieearn a*: 814 58,O (~~~~pe~rdjx 'r5bI e.i 3-A-66 2nd :3--A-67) . The UCW~,~~, 4 .*.J-P+W-~*- kiltrz itil';~atilr -4 ?-+ 'trap jf!!~! 103 0) capi;kared 18 Ar-ck'i r I ani\~i-ej/ dur. iny siliiiiijer oyeraat-ions (Tahl e 3-3-10), Ca-tcit per herir at (:he iiowns=tu'c.am a?j<jra:rt r,rap was consistciit iy pangjug i'rqsm iae03-i?.l8 i\uuc'iic. lainpre>i/Pgo~~r, fit.cs~s~c~ L~-~.~~ ra.lFr -y kjer'e observed spawning in Birch Creek Slairgh nc:ap the 0 rwn;i, *k-#-fq W. Creek durt ng 1 ate .l;r~ne snd early July. During this time, two pa-irs of Arctic 'lampr5ys were cbserved cons-tructing nests anti SFR~-'T!$~~CI J 3s described by Msrraw Al thoiiyh Arctic lamprey ware ob.;e:.g.ed spawnfrjg onl;j ,rt 61 rch Creek Slough, amrgcegetes of Arctic !arrrpr.ey were captured bgtweeil I$M 39,Q and R[d j111 .5. 1, Pottage Creek 2, 5Bough 21 3, S'kaargR 20 dl, ~~QuCJ~ 19 5, Irjdiaa rive^ 6, $Icwgh 11 7, Fourth O$ gtdy Creek 8* S10~gir 9 9. Slough 8A ' 10, Late Creek 1 , S3 ougka 6A 92 k4hs!skers Creek /U * id, W%rch Creek 14, Sunshfne Creek 15, Aabideux %%augh JUNE4 $~bbV AU6. SEPT, 16, i4nq tef ish $Faugh X Z X IE 8 7. Gc~ose Creek @-cP-- ~~ 0- ocl tn-0 3 0 Q @ @ Q - QI~ @ ha--Cf.a 0 c 0 0 c2 GJ 9 Q 00 QG QQ J QQ @GI We "Bt-k;s" ve Abunde;i,.-ace Key 0 Abserrt 0 ST2] Trace 1 &a 18 2 Present 11 to 7: @ Abundant $2 A over --- Id0 sample $" - .t4, + f 1 c4 f-4 -3 ,-% .- v- .3 1 r?'Sf;i"jkbU*~j041 zj?c{ y+~j~;~~<~~,*~d ..> ~:c, f.4 ,> i~ g 2 1 V ti 7' " ,.I "I . PVF-j rj ,r,ar~~~~ *j -: *- [I f C41 j yi.k~jL u = , \d $\* c; 3 -1 p ,{J y j ,j tj *.: :3 $2 {:a *. - r a 1; p 1: 1 1 5; j a;; 4.j 1 1 ~j# I.] C!i q *+ $,, rj $5 '1 "fii-13, 11-i ~g.: [l; ~IQ~;: $ .# kj - ic*gl id 4 dip k% el(," *-,.* tj.t a,.X p~a.j~,i:~ .. -A "1 9'""" P r\d ; )e,* C.. * p$ do%;-%l a* of 515 (53.4%) 3f the juvenile chinooks salmon weye captured jn 8 v + LIB{$ *f~b~@t* redch bebeen Goose Creek 2 and $he Ckuulna River confluence hb a.11 mett~ods jnc7udipr J bp-" w~~~ eie~tr~fi~his~g (Table 3-3-1,11 idpper reach sflfi ais@ween Ck@lie~a River and Portage Creel<, a total of qr6,6%) J~ivenife ei~iviaoks kdere captk;red Table 3-3-12]. The total r-spfik ,~i I,L P jcjvonile ckinuoks captured by all gear types at DFEI s-ites by ~AKI weel: inter~jal s is summarjzed 1n Figure 3-3-4. Flas" clainiinks (159 in the 'iavder reach \$ere captured e2uieing early July, iqhfle / P3'a =in the wppr-:ifi retichi, most ctlfnooks were captured litiring late !\uyu s*c, PC* " 3; 2 5 z< f! c& i-ee 2 ,2 5 44 7 4 6 9 ad 3 1$ - e 6 Ii j-;a~+-~ 3-1.4 Tile total ca$:ch of chinr~ok salmnt? juveni'ies by two ttdeek periods -for two p ,=* 2~,hes - a* wp or: the Slisitna River, June "chrough September, 1982. .p-3+.p. fxc, ,; cwf 6,",-i sh p~r trap rec~rded at Gouse Creek 2 and Sei&? C~~a~l~el in ear.1~ JijIy (Appendix 'fable 3-A-69 The hfgfiest mean catch per minnow trap for all DFW sites from Gooso Creek 2 %a the Chulltna River conflu- ence fiecurrsd irr early July at Goose C~erk 2 and Side Channel (Table 2 3-13\ %A , , , while the highest mean catch per minnow trap far a'll BFH st tes fron? the Chu'litna River to Portage Creek occurred in late June at j.ftq * luifai skers Creek arid Slough Table 3-3-14), The high catch per unit sffort leveis rec~rded dur.i~g late June in the upptzr reach,, early July in the lower reach, and the high mean catch per hour *levels of the downstream niSigrant trap durirrg these periods indicate an outmigration of era I+ chinook juvenile salmon, ihe mean catch per minnow trap by reach is pr~serited t.;n Table 3.3-15 and plotted Figure 3-3-5, A total of 154. juvenile chfnook salmon were captured, primarily by boat eulec'croFsishing, at SFH 54tes surveyed *fr"orn rnainstem Susi tna upstream to the Mainstefl-i E, Bank durl ny sampl i ng conducted fro# late May through September, A total of 74 fish were captuified ale SFH Ic~cat-ions betvieeft Caok Inlet and the Chill jt~a Rjver 6~nf"re~ce~ upper river si:~ locatj* ~ib~ beecjeen the Chul-iLna Rive!* and Sus'htf~a River pfif"le 945,;) had 8 total catch of 77 -f.B"~h Appendj x Tab] e 3-A-70 c& - [tie srfiall rgurnbers cap.tured are a result oi: tire *iruefv'-iciency of t$i,o gear P* i re=flece any pa-tderri:, /'he cabtch per unit effort riata 8u.e presenrted $0 Appendix 'able 3-A-71. dune 16-3C -- 6,s 0 , 6 0,o O*O 0, % a* 2 ooo 0,Q ae0 0,o 0,o 0,o June 911 ~e JU?~ July Au g AL~ g S2p-t Sep't 11X a, !<lijg2r ~vjj 1~ 1-35 16-30 1- ... 1 5 16-31 &-IS 16-31 1.~j.5 15-.36 --mv---w --- ------ P P ---- .--- ---m ------ -4, 3 " (Appendix ja~ie 4-R-73), is difficult to note any rends with .this ~mm11 ~UP~SE'G of fish c~Iler,-te%, Either the sampling methods are 30t efffcient through the ice or in open leads at that t4me of year or the 6" , lsb - are present in any great numbers ad these sites. Most chinook 7% + *-bb 5 2 3- juve~iles p~epe col lecbd a;1 $Whiskers C~eek (-37 Slough $0 Slough 20 (158 Chbin~ok juveniles weTe present during all three ~i~nths at Four=bh a% July Creek, Slough 10, Slough 11, and Slough 20. $amp] i ng efforts conducted at DFH si kes in the Susitnil River, both ibavc atld be1 GW -the Chu? .E tr-i2 River confluence, resu! ted i :I co9 1 ection of * 'f- juven3 !e caho salman, s-=zx-x------v7"i* Bncarhynehus a---- kf sutch af three difA;ren-t b~rsad years (Ages O+, I+, and %+), Wpproxiniately 90 perceni: uP t1.e 17 DFH sites sampled had coho salmon present For at least ion of the flight 62 .e.,3p7 5r,-- iny periods. Catch data are rer rented in Appendix ?'a.ble 3-A-74 and catcbi per unit effu~.~ data ;ye cofitajnt.ri: Aypebtdjx 'i'akrle -3-A-75, Sr~&i 1 ~umbeifis of ju\jeni lc r-;a"iinon weye so ca[ tectc3ci by the usg! of -2 ,* -* 2 8 pa a'i L~us.~! J~L lri2 OIJ~~~;. ?'he tiawus.i:r.ealr! mi 9v.an.t. tu.agi, 1 ocated 4 fflf 1 es ~~rps i!.u.e:drii -i r*vrri ;atre CIlu l -i tna canill uencc , r*ci:,orttid catches of' coho sill suul j 2:i~nf 1 es %krnrjfiho!ai: j:ilc i;-pi.n \qiii;er sc~~~~~r. ejQ"aCi..kp4""r2~~ 8 rsrrbrng -. q are iabulated in Table 3-3-' 16 for -the sampling sites 1 " irkage Creek 2, gou~h 25 3- Slough 28 4. Slough 19 5, endjafi River 6- SFGU~~ na 7, Forsr~h ~f Juiy Creek Sloi3gh 9 , SFaugh 8W Lane Creek HE dU"ks$V AU8. x LZ XE 00 00 00 Qcl 00 QQ 0 3 CI a G c: @ @ [-JG* ~~x~-4~~~~-*~T*r_*%~ki~-dr;sr-~~~~" 2 rr*w GJCJ @Q We$ ati ue Abundance Key 0 Absent 0 Q Wra~e 1 to 10 @ Preserat '8 1 to 71 @ Ab~rnAdnt 72 + over l i .f@ i - Id8 $a~dlp;e - Pcrcen% tuf T~$3-37 Catch Crecsk 2 Cresk h *t 0 $0 g;f,*,-. .ik9: Jsr& Jcne Jujy Jw'! y Auqus;~ Au~arst Septeaber Ssptei~-m$e;- st ,te Ch-jiul i tna Port-age *- ?# -,qi .; r* pf ."4 i c ; -.I$ "k6-38 jwe%E "f- 2" . 36-31 ---- - ---- n .> -"- 2 *- - d 2 -15 16-30 R$ ye? Creel- -.--- P ---*- ---m-*-- Fag3 l s ---.,"- ---- .---.-- L'~cf Q <re& 2 >> ;-<; -5: &e:cpa*l>~: - m ;15* 4 *a * k 9 6. Q 3 0 2 2 17 1,2 Q,S - AT'= @ 3-3- i na total ;latch of c~ho ju\leniles by F;~:PJQ~~ * ~WG F >-&,I: s, reaches on the Susitna River, June through September, 1382. re 1 e b: j: ,t il f$ ; 6:I;.i F ". S.F& . ru~ $" 2 2 giir~ig~~~ .. - e.- of *the baat...lfi~~ated electrof $shin9 gear for - & ~ht cu iej:-kjorl of juvenjies, .i;athera '' rl?an any pattern or trend in dfs- y-i fj$*jat j on , 'The mfnnovj trap data preseflted as catch per wflj t eff0r.t values in Tables 3-9-18 and 3-3-19 for DFH sites located in both elle upper and '{o\gtg reaches of the Susjtrrri Rj~zr, As mjfiuuw *trap tfata dorfifna*&ed *the Cg., *_, Yg 3 ,G8At*jafi PS Pi a fay ~cjhlj salmon, 'chess: trends are sfrnjlar to those indicated Fur total catckr w-ith ti7 1 gear types. The ca-tch per unit effort fsr a79 ~iimp'itn:~ sites in each oP the? reaches samp'leb 1s por- c n trayed on Table 3-3-20, Ihese values are plotted on Fiyur4e 3-3-8, --..<--- -A=-* ---- - *-..*-. -,- v-- su-- *=- Q~AJ t si= 5 ;g..s D a St- l E& -9 E 5%-i 0~-9 ; sf+-.\ F a 1 - ;&J qdas 3d~s e~*sn5nv 3sn5cv 1 nr a%pr ghiiq- sun$ ~2-z & F" 2 * .s . VE f- wbEs*, June Ju% j.f ,!k? Fi y 8~5g~sk ,Lt&g~ :st &3g3~ Ssp: qfi - %%- a e e, 3f li T -";, ct~ 30 1 -15 16;.-.31 " -;.is 7 :\*: 9 ",, J a "$-Q 4 a*--- -- Pm ,.a dL e. r 5 --- -ma--- -=- ----., me- + e- *$ <# *%---a --ar $, Portage Cresk 2, Slough 21 St Slough 28 4, S:~id"gh 19 5, Indian River 6, SIsLigh kl 7. Fourth of July Creek 14. Slough 5A 7 Is a d, bji-1 i skgsz creek 5 -3 434 Bfrcft Creek 85, Rabfdaux Slough ~UNE ~ULY AUG. 16, kdh% tef4 sh S'laagh XJ TJ 17 G~ase Creek !-- -- -- --- --.- ---. 2-- + (2 ('2 @O 00 9 00 00 @ 0s QQ $2 0 ci G 0 s-@ @ @ 0 0 - t2 Q 0 ~~=--~~-ma~-~e!%~~ {Qm*m (2 @ ' &.+&~x~~-<~-+m--~--~-fl~ - 1- @ CJG $0 w 0 G -- 0 Absent 8 Q Trace 1 %a a n..aCaysi' Pt : 5 08) + A tolzl of 126 chuirl salmon juverrflel; wepe caytuv~ed "i Goose Creek to 9- * Ciruj j !;I.ivcjr reach able 3- 3-21 Eighty-b!~ chum fry were captured ~2; 1j-j rch Creek ~nd Slougfl, accourgti:ng for* fjii J% of the -total ca-iic I for * j_ 3 ces $ j$j f;kBj reach, creek 2 arjd Side <?-- r ~~IF~QI accounted fo P the ii1ajijr-i ty (22,2%) of %he remairiifig churn salmon fy caught *in this reach. a-l r\ai~-ideux ?+- a Creek aud Siarigh was tile only site in "chis reach i~dhere ch~m -~l~~~a~ fv vde~e a~t captured, f?j *iuna , t Ju 7 y August Augfr st September September Sf te Pot*$age Pot-,k3ge s * a = *c- jci ig A;.*-?< , -- >sa30 * i-95 ~$+3% -3.5 35-33 5 -35 f (:-3f3 I"@ti3 I S Creek 7 WQ ,-a lQb - - w-m -- - " -- -- ---,.. "--- --=-----a -2----- "i,ptai of 1413 soelreye salmoj2 (On thus nerka Ldajb~um -- li 0 khpny~ ,$, , rarj*k$py ,,, , eta J by ;?'I l gear types, pr'imarj 'ly by buacir set 0; ~CJ , from dune thro~~gbi s.-p%eagber, 1982, 33: the 17 UF1.I sites Appei.rd.ix Table 3-A-8%). ---a Tf~e seasa~al vayaja*tjon djs$y+ibut$srj an$ k*e% a'tive 3bunaance $5 sum-. rfiare*iyed in J @-*3-12, Sucl:eeye snamon Juvc~jles weye pr*escnst S:urrgh 19 lwdian River SIJU~~~ 1 -i dU$4E $U&Y AUO. Suwsttioe Creek Rabideux Slough x E x 3: X XE Whj &$i ski Slough m~~P~~~-M-.--Mm"-wr-~~ F - @ @ @ @ --- *.* qad 0 Absent 8 @ f race 4 &&;: @presen-, 100 + - 1.4o sample - en+t6!pp - 7 ;~e-i:-t~ -'- 8~;~'~ . j&dad p- arp"$tig_4 captured in the lov~er half of this approxi- ffiaateIy 50 iafie reacir, Slough 6A and ,%laugh accnun.t@gi fats 108% fry, a ;".I ,.j . ) a ' I" 63% WE: the season total, Sockeye fry present at these hwt, sites U -i during each sampling triu, ihe "Lots1 catch far each reach is shoinsn in *The [jercentages of the total 'ockeye juv~?nile catch for each reach -is presen*ttid l'rr Figure 3-3-14, This figure represents the acrt;ual catch, bu"r.~ii-ribabTy does rrot accurately ref iect the true distribution of sockeye saltson juveniles in the t iver. The rr~ethads used which are effective *in capturing sockeye fry (beach seiniarg and eiectrof ishing not lend -~h~gis~~~es to site to site cornparjs~nf, r: j cq k ..,y -+ sockeye salmon juvgnjles were captured at eight SFH sites between *d K~~~$-~ c- aiu~gh ad tn Slough 2% AppendSx Tabl e 3-A-85). -T small numberr; cowected are 8 resulmf ine=f-fje:enf:y of the year 'r7 by boast electrofishing) afid do no-b reflect any patterns, Ch~4 i t~a Gsoss p" a 8 '$1- G T' Greek &o tc Eivzr JL we ,Bui>s Jvl y y 8ugcas"chugusL Scptamher Sapkernbe7 SSte pog**ka~s Pat-k~qc , "1 3 :* $ s- -5 .*- ' B We e",d e* -t: C8:;l Gr* %, 84i 1% -. f&-3< *fi-.%5 x6-.-31 3-35 76-31 s----~-x--~~--~~se~ -z--- --- -- --Lww- -P - 3-15 2 6-20 -- Toga5 s ---M--l_ Creek -r--w-Y,m=-- Creek ~-~~J*~~*~~ 1 pa #*!>% j ~otlk mg=jn (Onc~rhL..rri:lius tsbli.,wytscha Val batam] weye observed 5.9 1 3.9 k i c, t, * , i,* , r , " ,a**,e :a.lii' i_i_rifi-,,-~a, "*, fycO1o .tqp, ic lijliia w#b,dka sh ~f $"he Sbsj*l;ns Rl;f-.r. up";tr~;~m to IlptI ,o di.~r-j inn 5 '2" s a,. C * $#?j am:;j:..d * 'V' 2:: * '3 a hr*t2az kufjdyed e.1 even f'i sh ca'i 1 ectd at DFH ali,d SF/-/ s*j .[;ir.: j ugoffl (fiDr..rlr" Febr.uari:f /jiPTj" *.-a A j-% * 6-< ;. d >, . + $-/A*]" d,fl(-j 3"I&4-73) 'Tk{? C pl., ,"^L U ~jfjkdl~~;<;j-~2c;jbfi~ sq . "J ~~~j~y~~~~ $-* A 'f-y;;p ,;$~.,JLJ ;$,# .:j.ij-j@ 4;-~~ijt,~t-if+x+ .*- &-I _jhi~ ~2- .&* CI *i~i6~~~~ & V l bi,f a I ta{44yjflt;v *. i_ g -1'h~ r, 3 .$ fS % cr ,,,. ~IJ~QL . I-IU 1. *' $. ijiii - -.~ i"jjlje JC; i.3 [aji:cgbei- (j\i:l! a bj ;a( i;>[j)i2 '''w$&J\ ~L~~jJe;~~; ~~~~f -*. &, kV#W I/ Df:%$ ,,* *.-,* *!:La ",. e- $1 ' 6, , ', [, d $"{)& j yJ g $;",> '{ qi' , ; 4; j $ .i i j-1 y ~1 ;:g ~sb , j j a* c;j Q : :. t c 0' 4 % 4 k '[ &I ,,,. c ,"?i '1 '" :" : " j; * & , 4; 2- i?; yQ-1 g j 4 1 (1 .[,; f.) g"- 0 5% "3 ."- -* *.> ?* L.8 , * .,,' > c; :;j()i,jrjiii~## "I * :$*i(j@ f-*~~jp:(~~~~%$i wt CP u y zin:;j * a f'~~j$-~sz~;~,~~~ ., % . ,.. ~QOI-J-~~~~ - $1 - ypac& 0-f yji,p~ fi~~~-~~p,;<-~;~~~ \I ""'r ii # " .9 1 - . t %,w: -,I !a~-6is];j p 2jil 1 :> IX d -;55$-2 :-e-6$.-3g 4 24 " 'e t~, 3oiai:!st,rea.i m-igra~t ;cap catch rates by three day ;per{~ds for juven;re chfrluak, cohc, chum, ai2d sockeye salmoi?, June Ti: tht-ough October 12, 1982, Range of lengrhs (rnuri) +n-*w> *,&a " I" ,> t. 9 *" *7 fl "- if"qb * ,- i- , i.,Gl tZ , .- qJ-3-#-d ldr;sl rlw~k mun jil.;reni 1 ef , mein 1 engtk and rariqe 0-f Ie~gLhs bj! sag ass be%pseen the C~~L;I jfna Rjrgtr ga ". s rxms' conrlupn~e 2nd Devil Canyon, ;4av to Oczeber, p-J&2, p & .J t, Lcng'cli Length; of h.eny ti1 Lengt1.i~ Fj %k$ ( 1 (mn) Fish (mm) ( filil9 ) -- . a. *--ImII---=--m**-e**-m s * F"7rjs*G _, - e .,, 3*3-*7 bit 608i3 S~'$T~ ..,ton j; downst;*eam mi ge-as?t trap catch sages averaged by r, .; C? ,, kA La ,-a, #a "3~ of-*+ pe-iods, June through October, 4982, i "' A-' El- -4 - . ra; iyrsjFF{" Pt . I a,,"? .,.# 3 0 d L:LiIizIng $:his data, a miaimurn 'leng-th of' 61 mm was established t~ k & rep.srsei;&C the smal 1e.t size of age I+ fish dur-ivlg early June, A f.o. 1 %!f? Fr q. r I it i; ncreasr? fir 'l engqtlr was attu-ibt~ted for eacl: success$ \de ~wo-weelc perf By 1:bje end of Septem$er, the mfnfmun~ 1engt:h for age I+ coho salmen was set at 96 mm, Length frequency and scale analysis could afcurztely grovjde a seyarstjarr by sire for age 1- and age 2.t. coho calmui? due the ex.t;rerne overl:?p ~i: ranges, Consequently, these two agk clar;ce~ -.%. . ere I coeibinrd si; age I.+ for 1~~g.th fyequency ca-leu- 1 a$;f an:. iige 0-i. ~JE! I+ Age 11". 1981 Brood \[ear 1980 Brood year 197!? Bi0o0d Yeak3 *.*a-#&e,dw-**v*w*-+-a----* -w*s.a-e~~mw-*Awm*.**~,*~wa* a~*-mw~~~*-~%mz&-*d=<ma Narnher Riir~ge of Number Range of !(um$c;r Range of Supvet/ 19 0 ef ier;yths of isilgtks of Lengths r-i gdci ~4 *a + 1 (mml ~j sh v*~~="Abr~,-%~4~Cx~?x~~-dadadadada" i i Y blrXd*dada*w~-,-~"~-?~.smL<*~*x~=MM Age Q+ mrrrrUC'w-v"<r =-~&"*+r-- s%3RMa-."a77-- --m2-----az*a-L- Age 14- ---&w~~a-mwem-~-a.*%~-s~~*~a------- lj~ii~be t- Pjean Range or' Number Mean Kiir~ge aF cj -f i pqg~b $$I Lengths of Length Lengths Dt,le Ft qbn =- . (mm) I nirrr I ~j sh (mm) i rnm 1 <P -<<+ --,aw#%--,i-T- d,.a -9b-iiU-la- ..,A& W^-IrnPi ~a*lw%m~,a<- -mw*s Ldp-~-X.l- 5PXI>= *~-,%--~wmYISE*-L-s--= Age I+ and older coho salm~n had a mean length during June 9-f 102,9 mm wf$-h a paf;qe from 57 T+- s 1 iili 'to 202 !am. W mean length of 91.7 was ob- scryed du,dfny Ju'iy wij;h a range fmp- 3 71 i-* 1~13 to 150 mm, Tk.9"~ 1%,2 ma gjpcrega ,,,, CP in cnean lengtjr in July was a i.eiult of the 4nffuence of orrrtm-i- y?.dijny larc.jer agp z+ fjr,h duri~g Junee The major ou'r,miorati~ri 4 of 3 45- ic 24- eahs~ salmon had oc;crjrred by early July as jndicavt~d by an .inci.ease in rfiean leogsth following this period, Analysis 07 scale samples colleceed d~iriijg early June showed that 15 cf 36 (41,7%) coho sr:Imon fn .the 9-..rPaP r; 4 pi sbi~j;r.:pl~ were age 21 fish, in late ,June there were only three age 2; -f- -i . 5.1 p out 01 35 fish sampled, No age 2+ coho salm~n rere measured during C"" July iind Augusat aithaiiyh oile icge d+ ffsh (192 tota'l length f;t3vi ''/ecteCj j fi +he ~{J+P-* ;;~ll~JLr.~am migrant $rap during late Sep*telnbe~;, Bii 'chi. i ' ft/c age I+ coil0 sa!irioii h6.d a ileall lerry=th 0.f 126,0 mm with a r.;nge -Tram 7 -*'tY b 2 mgl 16 5 ~i~~i , 0 1.x ! cb!+2 2-3-32, Catjo salnfin age Odr and sou I+-, mean length arid r-nne of *b rd c4vsa lerry*tfis btd survey period between C~IQ~ Inlet and Ph ,rru -"' i -1 -gna R-i vey cautf 1 us;nce, fd8y to September, 1982, AfJp [I-;- [bog I=!! e,<--->v,,,,w ,,,di".L-a~--w'>-*-~&T~m+ aq --**- *--rnw--- wv Nihmber 14 tt pf Range of' Masfnber Mean Rarrge ~"i af ~2 -f' Leny ths ieng ths 7"- hc #Jd $f sh (ma) Fish " ""-A -CI-,L,-x^l*m^ " "=--,.. rim xtranP<6----m -<&-P"!&-"?*--iriaipr ,-- a- -=-"-+a Age 1s e,il.jm~n cull eczted ow the con-fC[ ~eficp of Chu'j j 9-3 &< ver ~::~i~*a~c+d xn r P9 @ % $>a h& ieg, 9 mTli du r*j ng earl JUDE ~t $,I * ++" ,it a range fr~~41 61 m> ta 195 mm, P" 77 . r g~$i=l ay sthe outmi gra-i;l on r" JI ^ larger age 2+ fisr?, the [Rean lengzh tn.Si ,, if dir'ly wit; 82,7 mm vdfth a rapye from 71 ~(IM P,Q 102 m, ]3y %f;p*tembep aiie 3 I+ coho salinorr In 5 reach ;averaged IQ3,4. mm with a range f rorn 92 mm to 1222 nm, 6 ch * saz - 3 1 * *.a $- < kc- L? ,,B <su """ 2 :isae LO- >cs iy.- -- dL id t.2 Pt-- Z*, Li,j 2c*. *h $0. "P l ini: d~wns'ti*eam migrarj-t trap catch !-ate for chum saln:~~ fry dropped br!low O,! fish pep hour by the end of Jgj y, and only hfl fish were c3llec:ted w-3 diiriny ejrly August, ihe izst capture of' churn salmon fry above the cj211=j -, -$- ~na River coaf? uence W~S recorded August 15 (Figure 3-3-16) . I;[J ryey of ~cng~ths of Length Lengths pf2 pfi f-JfJ Fjsh (mm) Ff sh (mrn) vx~~~.-~--,"~~~~e~ww&-~*~~~-~~ a~--m~w-~A-,--~4~,m~"aw~~-~F~~~~~~~Aa-~~--,~-- Sot.kei/e s3lni~r; jr:venj lcl; (Cinco\*&~c~us ----- n~rka ~ajbaum) were observed from a smai1 tributa:-y entertiig Kyoto Slough (RM 38.5 to Slough 21 34% J) duy.jljy 1482, Surveys c~ndue.t@d fr~m March *through early ?.lay belp~eeg! 'the Ciiu] find River cor;flue~ce and Devj 1 Cpey::~ resulted in thz -.*c?;<~ c!~ iscr !54n of 19 juvenj le suckeye salmon (Appendix 'Table 3-A-83 B =!a down:; t~aair; g~af1-c .$rap captured 2 ,I 34 sockeye sala;on 3t'h4 opfrati~fi above .tbie Cfju] ftn; Rfvzr confluence From J~ne 28 Qct~ber 12 (Appendix -a r au L- r f 3-B-51, Desi ynated fj sh habitat surveys eonduc-ted between s a 4 kz*3,+- .,4ina znb De\r"r Canyon from June tb~rough October ~~71eci;eCi 1,308 a. -- , a p j~venj sockeye salmon (Appendix {able 3-A-82) and 13 fish were c rm -a 0 l 1 p~c-ke~ ,, boat-m~ilrtted el ectratl rfq Gear, L~ M&9: le sampl jny 'p ra3; 1 r .p 8 scek:kjn 3 y ijes i;ol1 ;icced IJJ J u;.egi*r I e sockpyr; i;a'{ sj bes be'] P * r+oaT 1 cer,ci. iaf tkle CilukE Lri;l /(r (Appendjr, 'i able 3-A-83) . a f-$ i': Orre ,,aci iJ:rurid ;rEca+ fjoritei4~ .;i2i~0r? iage ].-I-) was r.~:~)']~~*~e~ .a % 8 ;.*t SU[~~~~;*~ UI" Q d rj 0 b 'yt 2 "9 p8 ft!j k9 f+ ki Eqcl<: (2nd ;j4r3vaji;!; frsKi athe ' "fi0.j bra- : 1 f 2 * 4 * ', + s,#t 3 3 "* Ira . . lytJ, hld~ootj c'iass 0k;~~2rvec\ >*" . 's *, ia ..+ ki"* "-4 tz Pr f "a ,ri, S"i[ju$ir 11, ,p,lb a-B[ou!jii j !sijffie PQ+~<\-+'{ .V a, , a> s -1; t,~ "3 $Ti pi *a v+o + 9 <,a A Id ,I"- 8 i btd <> i ~; ;.a k; 2 1"" <: ;-) 7 ii +c f , , , 5 'I ' , , j I 111- ;; nd a, ; it,+ j t; q p~ ;$ 1-6 -1 j: , ,. ", G ...*+,*~ t i~ts.~t? J ' J 8 . us ., ,., a ,,, 4 .2 u ..- F I,*" #. " -.. *:,r y . Mean Range of Number Hean P .Y p-' 03 +- p ,ciige of qlj r?t ey 6 -f Length .% 1 keng2h Lengths "nr ,s per*; tj~ em ?-I e 517 (~lif ) Fj sh - nFe*wA &swm~,-%~~w~*~.~.s.* ss*,>-m--* %-&---e=w-a------------------ -- ,Am pupae 8 ad@&% Sfouyh 8A $$ouah GA Cd sia~gk~ Bk Slough 8ii Slough HA S 1 <>ugh ' i f B Siough 1 I Sioiigh f l ij,*h of J gi 1 y Ci-k 44-1: ~i J:d!y Crk ~$-f+fi of July cr.4 t4~rp! ~6 .iiiip Crk Ig%diafn W["ijer 1 nd [ 81; f: ivek-, [ naf :2n R fyg*;.)r' [nd[;jn f"liv%r I""' (i >>s ace -tjqF2 canstraf nt= 1 jmf Led *the P Barti - ng and 3 denlf f *i sacel ~n of i over- +,~~~f-~~ ,crJ .&, -irum iticic screeti samples, nnly those froin late Piueust and early j;F2p,p z r-l*fii* I.;~~~~ ,,. ,. arra'lyzed. Chi -square tests irldieated that the pro- portions of invertebrate taxa c~ll@eted concurrently $y kick screen and du.iaf *XW i rats PI=,s rJ ~4.rrr~ a _ signiftcantly deifferent (p< O,Ojj (-Fable 3-3-40) * The drift sairjples usual ly cgnQj~ned fewer chi ronamjc/a~ lari~ae, and more %diiI'& 5 - rl zjj ptul.3~~ a8.j other eeryestrj s than the k$ ck screen $ampa es .+- I *4p d4 Peg (Figures J-4-ad t~ 4-$-+~j, 'j sure 3-?-:35c Percer51, frequency 0-f filajor nyeyeebratc *types found *i 0 dr.i.rt i9e-t sampl ea *..A 4- ~ulten -< in Slough 27 during August and September, 3982, Percent -Frequency - 4r \q2~ ~~i~6~~ts~ US~R~ n~i:" r 06 ~nd*fvjdl~als * and ais g;ven fop -'*h-.e- LIIOJC. types representins ocf~~r two percent of the t~tai, * p * P"P i 4.3 - 6- P. p., -3 - pe7-cea.it fi-equfncy Q: nlajor jnwereebrat@ ijp~s found ~lri drjfe nc~~b samples b+ j-2 ,,iceti in lndian Ri\:e:- during August Septenib@r, 1982, Percent f requericy wzs szlcala":ed ssina f_~in~~nrh~~r"~ of -ib-bd" iiicr~vtdu;ilf; arid given "or ti!ose tfipes wPI gc;Jresenting Iq over two percent of the totas!. Bz/oB/ :!5 c'i~ctgii 3R ~2/os/ Siuuyi; I ! Fie j ect ii, 20 4422 pi / I"@ t32/0eub ~CJ S?augii 20 82/ 08 &ti-; cf ~:ily creek and Pejec-ii HW, 10 110 t-r... /gabl,j ":Q bBr k$% quP-;a .!adjaw Rtker 821 998 20 -rr $ i2k4$=arn and @z/Q~/ 25 Si oughs iydeen prcjpo:-'ti of =; r~ve;ir.tebrate 6 3 sl~~ghs ('P<Q,fi5) (Table * * .- $4 I 33 ;ice few f nya~+ai *~i LLJ ra-fps , , were eoj le&ed a &hi; drj =?$; samy 1 es at i~r~gi: -+ 11 ear*j J ti September and at Slough 8k late jeptemb2p, those ,2d*ffB$r f'.se, -lard- Y, c QiC4"2 mi fnc'itzde:! in analysis, ~r~:mari7~~ dui3 i_i; the p;ea---*--- ..,is i ve use ~7.f toat i~aunted e'i cc.i;r~.Fi shi nt; idtlmi t~ f ?CJa', car;[;!; 0°F Arc"cic ar.ayl ' -d lug L)eyjl Canyon incyeasi!d ir; l$BjA f-0 l,oz3 EYh2 (AEF&G 198ic, Table 3-3-2), IYei, i&Afg. -,. !c gr'ay 1 :ng 'i \~Q;;U cap-tu-efi as fz~r dav#flslt%eam as R!4 I.O,1, while 4n 7C73 $a Jbk , ;$@--.. k~ela;~ RM 30.0. S;rmpI ing e-fforts in 1982, 0 I hcwever, y4;t?s al; rncg~~;.n~j~~~ a.; the 1,gEi effgyt ij-giow Rm 6TJ.O. 18 re-;^*;^, J - $i;-c'iJia; gr*syijfig %df;re fou0.i thr.a~llh~ut -kfje S~~fkiia basf;~ ws ' Deywil {:anyor] d-jyfnq -i~;~ frpe oifjn'thj, dfl;f:ribukjno cpf t.;~t#~h ru 6 ?i v LV-: w4iii6~ c qe 1, 2; ; 2 ckitcftes have theerr i;iaiie 8 ,,, , k : I *;~i*~J.fsf~~:f~~~~ !octk*i*ifjr$$j* ;? -#- "Ire && S'Q - [, "; ,*Ti i" !#.".. . d p\ f." [,; +. .b i, *, 9 f;; %> *,.- L$ %.t 2 ,. 71% frig catcbi i:r~~~- ur:*1 ib. 1 .I" y"+Ca f .! p<-f $8 4 Li,. euJ f t'J 0 ?3 !; e ' 6"" # 8 i,i 3 , ,a I:!.: I i .tt~y "1 L . b~$;,~~?pn ,* .* cor:,i< j fi '1 pi- w2 a U,v2[i Cd,ny[rn tia *,j LC.) l;+Qi~*- '1 Qj-42 ,, " ti. 'j d d - e C$$ui!'r8 1- F A BfidER { Rf& 9{3*5 ) COgFk~~fd[-g w -- resl DEVIL CAH~~QN 'id*- '4 .,#. a. ,"'$ 9 ti:> * , I,Z~ iin;.~ 0.f i3fis>+* -' 8 ~.,jr.e~ma t . j 4 %...- 3J-4w~,4, R~jgjysd PS.~~~~'~Q'--.~~~; CBZ- r- ,& $A 6+ 6: 1 g (1; [; y 0 sf j .-.t pi + "j 2 t-1 Y <:i .f .Ff..? y; $; ;g .:. t ~3 'i ki -k '""k"" k; r$ fj r\qSj -; :q (2 f, k*ffI $ j O) tl s* (F ri 'I",] $ ib 5 +i t'! id rn -. *.,% td ,-.. id l.* : f * ..> ,P *** a * <<'* .-? *", ' "" J r. .* i - "tp%"" "'"'4s- -'i "-, *.- e ' ijt~,,y;(,‘+ff (-0ok i;.~ [gri: -.. ." t:$ ,,)it? "'e-. i-j ci y *" ! cai;yoii, i~i?~ tll (' ct, , $.\ .e- $.$:"$""" "i i,3"'3 ,J k i , -., t. was* *JL*2 ,, A. i** ,+ CZ em m 6x3 *-a 1 *F" L.2 *- AC u+! OF- &!+ cu -G$ " PP Xas -5 L2 fT3 a Gk E -\3 & (&a *"&?' <A- .\&3 0 .-$ LC? L CL? tiw&. $3 bwm -C**-*v?, <2 ULX*~ %-@" %-. -s 3 %%. %.a- b"r *"'a <"-> 2k- a $2: i-*. 6 Bu- t3 L CD 3 t- -Urn 03 *r- eg- a9 43 aF A2 3 *Ld CJ A3 la* fi2 3 = -&J 3- 3 * E a .ij,J 2% '2- *a$ * 0-3. PL -'b > aJ -73 *g; * -* r- 3 2- Z'" 5\Lt E -- zz -P u3 += 0 c 63 *Pa +> ZCP *i:3 '$-""" la 3 Q7 R p" Tr aJ g 1 QJ -a a 4-5 C3 c2 0 42 3-4 a v- 8-A E O s- &$j d7c $2 C $2 == -9 - &.-. "p* b 3 .-a i YB l?mr ^&"+ 3% U- h.. **I,$ *LJ L'-- Was- :% ~33 YE-?% '& ('"- Z *?s- ea- r"' <,= .-q*' +:-: , ,: - -..* f> 1 *t.> CJ'i .>J @3 i;"aJ -..- .a fit dy' .- e Lvi. t ,.-. ,. i pg3 **>- C- .,71-# ;h. '-7 , b9 -J sucl;pi aijiil$== i6-gr*-m WJ L+ 8 @gT;iqd 5 (1 u 3 nun!beV at ma f nslesia ancj * &, - ,n 2 &.k $ .A* ;& ,. S.," jrrajdB iSj,F..sP nU'I".Cki"' - * ., . jjg;$.> $1 73 p 3 5% ..$ f ,f d, b* *L 9% fi2 re s 4 {j s p G -5 +La -- i e ,q **, r + .jil" $ / bjG& $3 =; q>:-4v-jqG:.Xaa i3 ,,A &a *J.~ id a:;;2fri 3~1 &*s.~-* ,i,-~sfibel- <ov:pp *.$hg? GE- a 3 Ict? f,i~bet:i La / J r R"i j #"* .t.. -. -: s<:$-sOy!, 18 gjj 1 p '1' $23 1 i tt-1 p --*. f s k",~wr; ir8f lf. j bu-kj~n [if '1 Q~~~~~s~ r;uii<eys "if; SQS;,~~; ;3~ re, *-r y0i.y ~r < Fr,w .*, h;igfp Ira*-- ;i,j~eifd -d~$igjL)iWtt2i3 ~q'~~~~-~t Zitif~B~~B~xr:~,i ~<~*~:t~B?~f~b~*er~L. ,A, ~~8r;fli*lfJ~]623 .. $ : :'* rat k" <A,Y i "3La<ekg,:;p,; !gp~i=-fj ~~j~~~j~;~~~.~~<~+~~~<~ sjg2 4-jti.9 g, i,, ~~~c;k*~p~;[,e.~jj~ -irl k:,fj\at w' ~j~~~J+~i:~Elf~gj~~* %.a ad -",+ bJ i-j . . c; A, y.s , ~t;~, '1 , f , i cd i- 're av,:-i $-.- pir;[2jv*idija'\s gi_.ye ciip.llrud :ir~u..iijcj c. LI I*/i ,k,ijt2 y-p;;t6c (jaf +,:"> " , F b.. , : . ;+;.::t,;.*? ; ?dLi < 4 [ Tiibirtory or SIolrgh Sites F?A+*& &y+-$ \ ,z& k4aznsPem Sites .f g 2 p y" c; tri i^gC? y ..* fr bi G" 6.:- 2 i;-- pS %? ** 0" 4- b - .e> I% 2 .. ai '-3 a Q,';a"tpii,$* &r~ esLJ L~#G ;4i~ ~r]c{fkf"@ _, ,, ,, e..*i(er-dd* -:?uL; a COI~Y~PE~~"~C?~ at +..ji*,-.. r- - 3"r.f . Z" ..** ctr6: ~i;~~cA~a~~ n+: '%a* k =i+-i~~~~-- ba. a~~~~~~~~~~~ .to .;*i-e f the spa\ldnirlg , il r-3 *$ +r 1 '" 0 1" r5m 4&nl"r#P3 {b a . a.a PBIB L#B 'int- 5 .. *a tm,.ae&$4sb 35 r)o$ Ffs[7b;hppi ,-a c:~+c'~~~~~ , ,, g , , b .k b *rs**** t t:@ # 3 4 - Cijs-{ci-oa @, - . ,s , 6 +, . @ L \a ~jt~rj w@lq g jjq , w tC.*>p; ritA:i J{,J]~, d ~~~j$*~~,;~~j,*~~a*~~*q a.*qei~~!j !flcjYQ 3yn..& 1. d # ll *. r;rs-c;2!j ~i.,~->~~ :i;i;v5;ifi-j~fi*{; jn i;"e maq>:, jj , s~~~~o~~, ~~~;ij~~~;-~~~ $2'bCheq + d .+, - VJQ~~? ' . inrjrk4 +d .., a; i c41sr #,re. p -,f-:Fsi~vill .. ,, .- trfbii-t;;iq ~s*~~;h~~~ dksir-Eng iai-*+ .-a ,I...J "":;$.a 2,l:id t-au.lj8 ;iiine a$ SF:-/ e. <:, -2 " .-. -- *%A *' .i P la*, ,i s !< j.?;;k"-F"?;i r i i,* 4 i r *ji.# --' ,: , *...* ., . ,..:>.::"a'. CHtJI-$$N& RIVER [ RfA 98iL5) GBSJFUEI~JCE TO DEVtE, GAPY!''fON Triliir'zry or Siotrgh Sites , =Pea# %ains$sr;r Sijee, r-; $j Ff" we- ! pf2~g-2~~d* ,e,. ,,, + .O 'ti? h 6 the ],:>Gje opeil bi;ii;cr* w seja.r,o~, 4~n'j v ;i$ .~,o~tc~ye st. 1 nlirn jiiveni 1 es werp J P*; a ,r+ P., <i- -i 4"- fie! 3.- a-rE2$i ~>f~~~(~$~~~]~~~BCCCC"~G~ b,w,ad it..< by e , 1" .- d.' ,kkjel~ %,: .;a .) 0% s.j.w b j $~~*8*i [L> *~"~d~*r~~07~ it .+ z.t re ,A LJ f% L "i B kc,. s 8 b-> - s4trr.fes stud,:/ area {Rivj ''I" #, Xi". *A . r. a r , ,!, -.* g;rvr jaq3Gy[j) Js rI @ j 0 c,; rsc2 3 c& fj t; *.# c?~ kd cj *r ~c;~~cb~ ~[~~-~VP~'+$. t;G+i arid backpack ;.. pfj': ;<.. f""' a G farjpn ~~~+~;gj~-::c~~~fi*"~rj fT.;7 1t9,6--a ' Lp "; ,,, ,># *-* ,, ? ; 1 *,j !< sj f\ {J g; qj ij j ?\rfI!-+ &85, .'C fl1; -g v; jq ::A 7 t-4 r3 P I 8 WP d ..*s x+p ... i'*.* .. ,.. Z*J@ tJ4?t$,i b t.'c;*6:.; -i i'i 6 Ti ,p< ,,., "., 4. -. * - D , , , Q *F <) 1. 5 a '1 cS -: ?"<a u $1 ; k t . ml J 1 F .; 'T: ;~! *:* *, 5; $2 t,i 5 (7 t'; ( 1 , & s .%.j "7 t .* i: k-b;y V tirr%a,- sjtp- vd{+lerga is ssckeyfi: sa,'jrric~q fr3;# weye g;aptureed jrr 1981 (Birch ('~GJ~~~ ;;f;~j Fj~;~~gh, S%n:!r;kr --3 9 ar>d I;I;ugh 11), 21s~ py~daced ~or;kejie in "I%- tfac s2 p9 ":P~l ,,- , A J s 3 % SOC~~VP ,fl%y 9/e2re ::ap-~~r~d zt U,l~fiqh 9 arid Clr;irsih 11 d~ring 54rui tC9 :,;VI F2+-J2w* . ,,, #+* .x,ii, +~-~r 8 y ng i n 1981 and 1982, -!*he lai:ye percent$ge of soekeye salmon fpy taker; a6, Slough I~A jrjdfcatgs ckl;lsk tfri s $1 0~tgtj tjfft-rs i;u.;.i:ahl e rearing habj tat "- - large numbers @f sgc\<r_.ye jugen3 lei;, Bar;$ from ttje pqd~? =i; ar!ady*omous stud1 e~ project 3 I fADv6G IiIa, v~]ume IT, Appendix) 'ifidfcaees =/fteTe or. no spawni~g by -- sockeye adlilts a-i: -illis -* a I ie i hj s sugge"its t11a-i: 1 arge numbers of age n-+ jtikenf a -1 es yijoved f n-ts .. I .a klafa~ ... J t-+- fr~rn upstream opawrring areas. rr; the early June samples, s~verai age k+ fish were captured. It is unitnn\~n where th-i s f$ s;? ojiey*vq 1 nlep*ed, *z, :, i~lagh 1.1 3s sonlevtdhaft sirs-i]ar Slough 8A morpholog'ical l,y j1q that there $5 -.rl iq-qwr <yql:eifi of pools and riffles in wh$ch sockeye ~;almon spswiiing has bseri extensi vel y documefited (ItDF&G 1981ii, Val urne 1 X , Append-ix) . FIU i-oi.rer Juiterli']e sockeye calmon captiired durbing 1932 at tkiis site tiin 1gij:l i;jiaavr?~~ arid i-;in-&y catch date Table 3--3-24 would sugyesg, The f~y fiiay have nrig~a'led of the slough prlol; to i;tje dgtr~luyment of efficient capxaro methods (beach seining and backpack el ectrofishing 1 at{$ ('J(Jf@ * se;ac2 data ruc~gests; %he hypothesis tha4t. rearing iai saci:eye salmon G9 *rr j lj5ie cQ 7 fq 3 p. spawned in the Silsi-cna River above the Chul itna River cen=f4 uencs i 1 argely unsuccessful. The Stock Separation Eiu] oyy report V * (SCF V~lume 11, Appentjix ~ndscates that the sockeye ssirn~n stack in tile Su5.i tnzt Ri vrr ab~ve *.tfi~ Cflul i cotif1 uence i not separab 1 e by seal e r C a~a lysji froin "~e soci.,~ye stock- ., ,:& 0.F Gime TaRkeetna asrd Chul iLwa Rivers, Therseku.i., rllt;re 8 [~~ss.ib$Fity that adult sockeye salmon migrating up the Susftna [;iyer above the fhul itna River c~nfl~jence may be strays *From "I %;he other r=jyer ssys%cms. [fie food habitats sttidy Section 3,3) shows *tkra-C ret:ktlye J'uueni'le stamackis cog lected at Slough 8A avrd Slough II, in biugusfl arid jeptanker c~ntaifieri insects, as ai; usual piantitori 9 * " .% -fuc,d c;omRc;;a to lake rearrcl jukesll its, Schools of smal than nor.ma: P- c soc!:ey~ jmt~en~ ic;s bdere ~b~ey~~d had ";foppled $Q Slough BA air3 Slough 29 f a ti.irrjug?ror.it rr;e curf;mep, 'The age ~1 ass :~~jjp~~i P,.j gn of year $5 1- 5ut;keye jejvefij les $L $9 $+ Lj r jap Q.4- ar16' d +a 32 nrje 1;) c~uld possibly 1;e jfi'~~~ji~~te~ $25 ~jil~~i~~eti;-f~j r~;jrincj~ /-(owever, ;age 1-I?- * e ::o4;kcy.; -; y * tjo\gnlsj;ream :jei~w , - ;',svc.r. -- " -; ; jA CI) ; ~sj* *ijlt? ~~ii~~~bi~~j.~ irLa~ j:~ " ti * tJr it%., t-% a K fbL, , :-$:a ; iii! {:Q{~ 7 [f <](:~lir t>k1i ~lj,i i.!j$j f 'i tfta )lj kb!+;lb {;(>fl ; -1 bui~;-~<$+~ a *.% dui~enl ie chinook sa'l~lon were ~2~llected at a!;rrost ale] study Cr sibc.l; dllring "I. Y" -1 LItstR - i c G.. pdg"! ?bf'F&g A, J L,. " 4'. #a=&2 11 p F t, "2 19$)1" raw Kjol~gj~a1 dat,? -3 w i ~i2i 1g-y;~~f-J -fcjT $.kQ a* L a* -4 L i i . t iff" ti v-: "1 "g so i2 (2 . bicinfcer surveys sugyes,ted sirfi.3 lay in * ". *'! \f""":t,p;! ""4 * t*, ".' " + " ," "fa 1""" " y"$z! ti * ,ul 'auld dd :L7b ~,i.:, LBI f*~~~,~~& ;-Jrz2 *.*i*cuiricj fjsh duilinil both years (is s The ou-tia-igrL"2 ?&lor\ I." 3 (a m .I 'I j * kc 4 - , . 3 :;,: 53 4 p.v%wg A h p p~ 3 9 &+ n $ *a -2 :& fa% ?fi a k~ Cj $j $2 .t 11 (2 c, [j "i ui -I* .". * Pa a I b 6 8b,>$.r h .: i?, 1 '.'- B 1 8 1~5jla lr7( ( t. ~7, ft,,*i bp u f $ s&~ L>!:& ..$ j{ .j V $'; %<* $- Ti p "5" 9 ? P) :J-i C '- '* a.g + .,.:*;iii i~i-;lf-:~ !)~$,s f,i:lservf$d pririra,raj I:, ~\~~~r~c~ ,J ld,;:6y <j~r!i;j JQ?;!~ duyiri<~ .,,$ ." ;". ag I '4 i,aa .b &UUwtnCj , ; Sd ," *+ I,B;~!; L+ ~,-..~,~~-.,~~.r -J 8 1 $. +~-8 4 *se *#A ltp,,-jr : * .," :-a 26 -r<tpj>tt-i'g'$u t! v wb 8 8 to 3 ;4f$Fh ,I 'a.w *j-t. "a -f<ck.l .,) a ;2 $3 :: V~-J (3 *ud si , 6 q.%, -.P ,3 "'f'hv%s &~;,i .a ax c;'-jasS j+4;j<4 wl b '2-9 igi35pIf - . ,. i; fViOBI$ -:*,$*-,a e,rjQ ~i3!3~r k"Qj f$er;"ko~! &%sg;f t2f.lve~f'~~,i~~<,:~;t [3,f j-"., &,* E 2: 8.i !"j "' *; at ~"j cb i-h *. c 7 13 c.2 'y* . 1 DrafIla s % changes in tkie i nv~rtebi~ate faurra aften occrar be1 ow hydro- i.1 ~~tyj c [ir5z,.iecti; z-g (W5rd and Si:bnf~rd 1999 =fhese changes may be assocj a4;pd pjii th ckarjt3~~ w f n th e production potential am? "-,he downstream *--- reaci-jes for. important fishery brei;otjrces. I he fol lowsing discussion pi-avides clie initial inforrrrat4on neces5aP-y devei~p 2 data base ~apabi pred~i cti ng "kt LIII. a rearing putenti'd'l 0.6 ~~lai2~tefll, side ct?anneVi , ;n , i;lo~gh habitats ij0dc.j "iiie post pr3sjed flak;;.. A"* 1 fpt3 " . k:."$>s.i". , "I , K. sf e; 0 il(j 'bvk SrI I, @ a,/.$*3J C 8 1 c,s 4 I -4- egIc,t [(j",p@V.. pd~rt;? ji jy-j .+bfib\ a, i a 8-4 5 i?h ix, * i ; ij ime -,* tjhir p~c~i~*j<J~~ s-tudb'iel;,. j C~i*JBS "T";e$ 16-4 =a - o:i * * :~;~6~~v.~jin3CBke;C~3g2 . ,A \,3p"kat3 . . <liid j (!ziijll"r..; c3"=3w..26, -!;t:j ?..$~KJ ) J 'i-'k::l"fl*'";'""".'"y"'jij'i " %".x 4 \" <', , a < * $t'~'.~c"",~"'i"""ldria'~i~d?." , <'+ i,4 -* & #,# ~"2 ,, ; f;) \i {it , tj "j 4 f 1 (;j -c s ipj "- ! *j ti i3& f; ' 8" d: 1 <iy!jc,: <i 1'1 k. rs(;i s.2 e fiy~.~: SQ ffiu~h ;?abci<b2P \ias-iabjl -i'ty within each s?;te, causjnc a ny ~o~rjia~~i 5s;~~ be-twr5p-n s j ees to be confounded. patterns, hawev@r, can bgi v+c~7artd id Slough 1.1, where the rFffles seemed more sluggish, t-Y * pr~difcrd rr;ajir i 11?5 (Ephei~erop*.,eraj (Appendix Tables 3-6-24 and 6-r u $-~-.25 ) , j rle2 i j@jv.ssf4x -, icbrate samples Pieom Slough 14 usus? ly produced e * mai; Lly cr:-i r+oflo~:sids (Ficjur~ 3-3-33), though in early September, a large ~u[;lhr?r of cagjnf id jlane-fl irs (?I ecoptera : Capnj id2e) were found there. * P i::*pn 1 \ti:, hijve reported prefer a$:jve]y 5" 11 vqater (rvl-i rshai 1 and [gl? fisha 1 "/ 1977 ) , tarry Dt~gan (Sub-project Lrsder) F- 3tephen Hale Ka \&pi% KUD~Z Bob 14aysha 9 1 Dave Sterrit 3i:o ESauney (Sub-project leader) Sandpa Sannlchsen Jim Qufnn 4 [ifin Rej*! ly, ACC work stud:, c;tudene, for her help with oortfrrg and iden1;ifying invertebrate samples and her drafting ski9 1 s, K Craig i-leberer, work study studen': froin ilumbnlt State, for his assistance 1 ast summer. 9d.i th the downstream iniigra~t trap, electrofi sking, and the fjsk d-i s-tri blatjon study, Me sincev~<ij, appreejat.j the services provided by acres Afner$can ,, Inc,, Af r iog'stics, AkhIand $copter, the Alaska Rcil road, R and M Consultants, inc,, and Gene and Rage jenne (Three Rivers Union k!e would also like 40 thank Marilyn Barker (ACC) and Bjartmar Sveinbjarnsson '114) for their he-1~ with identification of 3quatjc plants, f, i~d-lc* -3 '* lyjf! WQU'](: ji'i~~ I~K& 1;~) a special thailks *to tile loca'f residents and pzbopcrty owt~ei-s who iidve lielped us and expressed in-t;erest in otir v~ork: Bi] '1 glakely, Roy B!aonl~r'jc;l d, My, arid Mrs. Leon Dick, Br, C1 j-fford H, P,rjskell, Drtilq ant? Tri;iv**le Ilrann, Harold and Nancy Larson, and Lawpence Roberts, li "= 198'lb. Juvenl ie anadrorfii;irs f+& study on tile la\.aep Sus!tna River, *------ &DFG/Su Hydv~ aquatic Stud$~~ Program. Phase 1 fi~al sp~ci~~/c~~k-~ _I - jer--h dPaft -- + tp f%$+e %a u - r9 PE F~L! Anchorage, Alaska 121 pp, 'IY~I~, Hesfdent qish 'jnvesetigatfon on -$he lower gusitna River. es #.- ADFG/Su Hydro Aquatic Studies Program, Phase I' ffnal specier/suhje@t draft ~eport, Ancharage, Al;ska 166 pp, -r --a- idL Aquatic Studies Procedures r4anual. AOFG/Su Hydro Aquatic Studies Program, Phas~ - I final drtft, Anchorage, Alaskd 107 pp, E~~ ;c* (a 1973. Food and yrob$tii parameteri; of juvenile chinook salmov~ Oncarhvrlclrus ishawvC%scila in central Coi urnbia Rii~er. IIUAU. --s- --r- .* /r w %-*---- 12;-;- 3- 'h-=s- -*-$ FM* E!.iIl a "3 8 TS-' TQ 0 Borroi-, i).,d, and Us!% Oelung. 1971. &*ri intrnd!actian to +!le stildy of jnsectr;, tblfyd edition, Ohto State Unjversjty, Comlgtijt-,us, ohfa. 764 pp. Burg-rw, C,V,, [),Be L.iiinrjailr.d, R,L, kliliiloi;, and A,N, Palmisano, 1982. Sfilni~n irrvestigatfons jn tli~: genai River, Alaska, 1379-]981, U,S. Fisil and Mi Id1 l:fe Service, Natjcinal Fi~blery Kcsearch Center, Ajh~i;a rieici Shst iurl, finchorage, Ala-,?~ %.d !8! d-49 pp. [;a<.'j.l.,Cj~;;~'! iiif,:"b$.lr.)t.is:; f'r;jr r2'i-cs~- " I ,,.-*I", Z''!(j [j~;'%(j;j()y~~ui ,](,~jk):,; &, 3 L. i -. I-' t,j{,)rifi + ; - !.j[;:w i.jgbby \iii.it Johnson, J.W, and E,2. dohnson, 1981. Feedins .J periodicity and die1 var-iat -in diet cornpasition of sub-year1 ing esho salmon Onco.rk8ynchus k-i 5i;t;ci-i and steel head tk-oust Salma gai rkdneri in a -.Aw&w.~rr,r y -7 r-I ---,*,*-;- ruw""w,~w,-wrruwr -------- i 1 strernm {J~ring summer, Fjsh. Bul I, 79(ZTgB-376, 6* t Lei"q4us, W,F, and H,L, Lenon, 1977. Food habitats of salmon smolts, Oneorhynchuts *t.;ha\~yLscha and O~rcorhynehus keta, from the Sj-l eha ---m-*.~x*-~~*, -***- -----vwP&- ---- Rive?, flasks. Payes 235-239. Departmpnt of Bj~logy, Centr;il Michigan University, Mt, Pleasant, Michigan. Me~r; i:, P, .\ti. and i.c.,W, Ci~ii;miris. 1918. Arj introduci:$nn tl-~e aqiiastii f nctl-d LC : . #enciall/iiu~-t Publishing Company. Dub~jlue I~ili3, i.~,s, (Sa5tai. 8 et , &$iriaI .-.- Efi~~~iro~me~~al C,pecial fses, Inca ), 1989, 6 1-4 "P re sr0i.y and ecoi ogy of' ected fj sk&:- ic-3 -that occur in the Sus4tna Q ,..,,re -; i fa Phoenix, New York, 59 py, Eziai.d, 3,\1, and Jab,, Sl;anford, ed.i.i;nu.5, 1979. The ecology of regulated SQ~~~,~~~~ - i - r eisuni Press, New York, Hew Y~rk, Vo 1 ur:e 3 , s i t J-uxjen i I e Anadrsiy2ous Fish Studies x$elow e .,.. -- 1.1evi 1 Canyon, 138 2 . List of Appendjx Fjyupfi List of Appendix Tables i. i s-t of Appefidf x Reporr;.s ippe:ldjn A I"fi stvs.r' f~utj an and Ab~dai.rce ga'ca Appendjx 8 Efnergelrce gutmigration Data /JTpperjd j i, C Faocj blabits of Juiiefijl@ %a]mon $"- ~ata P -&% ft~*nd*i [Jppev Indian River and Upper Portage Creek Stud{ es e- Api:en&ix E ihe Efi'eci- OF Fishing 'Time an Minrlow Trap Catcij /\ppefidix iz Dob~nstream Migrant Tr;p Design, Cons tf-u(:Rt,4sn, and PI ac~ment, ffprr!d3 x c; i.c?nyth, Age, Arid Sex Sumniat*ies for d(znj; Fj sh Page sm~m..~~a~ i ri :'. *'* I", p rjf-~i(:$v~f4; ,! 'd ?y2 .."'; ".'. 5 s4. 3 4 : a I.* / '*r urn L Appendix Figure 3-F-3 Side view af the incline plane on the duwns*tream mS y raar t trap, 1982. ................. =-RU ,a- " Y'6 b-9 --P k-! hS :3 c\. - 5e 2a-4 ""Qr -br LC2 c: 3 a1 Lab a *>- xu kiB I md f~-a +-2 rh r .2 CD --4-c3 :3 a$ t:-+ %a 4-* tz C-P -5 :T- i*@ 3 a *a (2 -; -a* $72 c3 3 -&El Q23 c: *< %* fa -A* 2J 2, --a! afD t-3 4?:\g 6-3 m g: t3 3 wr e* c*; &a 5 0 ei-a 3 :3 t3 %. $39 M -s& 6 2g 23 $9- a? vesSe 40 k e< m 3 c-4- 7 0 t;Fw am Pb c-&- 3% k* z -5 0 63 CT fT3 e+ pa 3 d* -3 t-3 PA 0 *mo dT2 Tcy 3 6% "0 34s '3 YI. g GI &?& Pi, G2 9: a e*, & -- jfifmjp@~:ifx Table 3-A-I Sampl $ng gff2g;*t by gear type a.& Designated H2hiatat 2- 8- we Susitna Rher between Goose Cree!< 2 and Pareage Creek, !!fay +" L8rr~ugk Oct:~ber, E"'? dt~~asae~weaPeSeCe~ntrc~eca*aeeoeeee~o~eeeeoc~ec Appe8d-i~ P3b-i~ 5-A-4 Safi2p]ing effort by gear units at Designated F=fsh Mabitat (DFw February t!iruougIl i4pri 1 . L982.. ............... Appendix 3-A-5 3ampl * ing eff~rt by gear units ae %n Habitat (SFH ec$:ed Fj:" sites, Februsr24 "Lirtrtlgi.1 Api4-i 1 . 1982. ................ Appendix Table 3-A-6 Ffsh\hjheel effort hours by two-week samp] f ng peri ~d a";a~pY i fig setat jofjs 0 13 Su~itna Kfver, dune through September, 1392 ~~~e~~e~e~e~~e~iaraa~S81LI~BUOQQPg8 L a -"' appe:iajx i 3.-./\-%2 Rainbow tr0ia.k catch at f ashwheel 4ncaeed oa the Susirna River bv ptimb d "a* %W b P\ saniy 1 i ng periods, dune thrrj~lgil September, 1982 ~e~we~e~o~~~~a~B~B4e~6r)~C60QeP 9- " C Appendix ;able 3-k-21 Eurio% catch durjnn the ice covered J fflonehs of February through Aprj 1 . 1947 s;r at *a sij-ee - A ~0 %he Susj$na River below Devil Canyon,,,,,,,,,,,,,eBPeY~GLTJOeOe6 nppena:i;; Table 3-A-23 Burbot cake per nit effort (CPUEJ at Designated Ffsh blabitat (BFH) sites ffi 'B;pje %~_isjtm a-ivey between Goose Creek 2 f-' arnd Portaye <,reek by gear type, May tRrou9h October, :982..,, ~@eea~ee@~eElgrsa19WPI"j8B *e " & " 5-=-- *saltik~rriry period, Jrsne "riraugh September, * t'"* 991i ~~ee~~~e~~s~~e~B~OBi?VdOeOO~I:ipd4eBOaeQe,e~s~a a - 3 6* - $3 7 rake- councts of bua;ipbaek \&i teff sh 6 +J rs w b.2 4 W* enpta'iitjes captured on the Susitna ............... ii{yd?r below Devjl Carryon, 1952 'r'rp p iabie 3-A-37 i(iiriipback whitefish caecin p"r \/n4', effort [CPUE) at Designated Fish Nabitat (DFH) s te!; j 8g tfjg sue-9 sqtna R.itttsy bet~eerj GG,9se F 1 -- ~*;is, L Lirld p0i.taa~ E;v.e.uk iiy geai* type, play fC1@>P tk:*cugh October, ~~os.. .................. )4pperid$ x Tak,j e 3-A-47 t; 1 QPS~U~S~ r~~;~ptidr~ci n the ?*- SO~$ %~a Rlyrr below Devj I Canyon, 1982, ., , , . Ayrjendir, T;bl Q 3.....4.48 si;ive spawr;iilg gndt~ri ty of J~rlgnose * SUCK^:^^ captured in the susitiIa Rivet- ."'* h;;e;deen 4nle~ aftd []gvj] ~~-3 ny oil , May 1 f 0 .......................... tcs Sel~tcn~ibci:~, : $c%, a ' Apgaujcjjx 3-A-52 nclly ba8*"p ~3t~k net* \risfc effort "", (CPUEJ at nesjycateu Fish Habitat (DFM) in the cae-' ,r%.f 3 7 tfia R i ~2 b~lr~w Devfj Canyen ijy gear type, ................. May through Qctaber, i982... Page -c*-rn - -- &/Jpend~jj4 Tti51 e 3-/4-// C;rjIl9 safgion j~~~e~li It$ catch per unit effort (CPUE) at Designated Fish Ha$$taf; (BFH) sj" &es the $t4sj r;na River bcjo~4 Devil ca~ycjn by gear. type, May through October, 1,982t3 9Qee P .-.~ ir 4L 1; 1 ab"i f: 3-8-79 Coho cajin~n juyenl 1 e, total by age - 4 class at Selected $-jsh Hab ;*b# $. (qr;~) k w sites the Scasit,na River i;r.ehjc2a/b Qeshka River and Slough 22, Februaiqv 98 tnraugh April, 1952.. e~~~~e~e~~~~eaOc.9~OOS3Q0 (r L Appendtx Table 3-B-3. Coho sajm~n ,iuv@nl ies, dokqnst~e~m sjigr.;n- tr2p deli ly and cugiulative -6- catch and catch per hour, June id tpe. .. ~P~FP*~ , ,~ber q i d" 2, 1982. ...................... ~~OpG~~\s Appendix Table 3-a-5, w,,ese sa?non jutseni ?es , d~wnstream nrigr-ant -trap dai ly and cumulative catch and catch per hour, June 18 to October 12, 1982. .....................a fippffidi x Tab! e 3..C-1 , invertzbrate i:;-;xa presefit stom31-h C Y - contents or chinoak juvenllej at sjtes where they were collected in 1482 ,... ,.. .. Appe3djx Tab1 e 3-C-2, Injlertebrats laxa present in st~mach 0 " contents of coho juvenj [es at sites where they weye collected in 1982......... p.ilpe;ldj T&J e 3-cSdq %a a Invertebriate t3:i.a present in stomal-,k con*t:.i.fizs 05 sackeye jilttefij 1 ~s at 5.i tes wirere they were ~ol ie~tgd in 1982,. . . . . . . . Appendix Table 3-C-6, Ejectivi ty values for invertebrates found fn stomach cantents a$ chjnook jilvenzi 1 g3C ,, at slough 4 11 in September 1982 e~~~~?4~e~e~~~1wU~~~~r+g8~J~~4~~C.*a~~5~~t~ e 4 Append i x 1 ab-1 c 3-C-7, E1ectiv.T ~JJ values far invertebrates found in stonlac& ce;ntewtr-; of chinook 4 1 juvrnl igs st; SEocgh 21 in August "i; 1>?~~~aswa~ssecwsc*cs~~iiea~c1e~~ooc)*o**see+i~c~+ c-2 '? P? f- -8 append{ Tab1 e 3-C-2~. c i ecti vf ty %dai ues far 5 nvertebrates -fpezadstt . J~~~J r * n stomach cotiten ts of sockejc~? liah""Y JQsrt~iles at Slough 91 in August 1982eaeeeioeeeeaeeeeBeaco*weoeeea2n<i*eeeosa *-c' -> Atlprndix iai; ie 3-C-2 Ja Electjyjty values for invertebrarg:; found in stomach contents af sockeye Appendix Table 3-C-24, Invertebrate tax2 present f 0 drjfe nee col lec"rio~s froin a1 l sites sampled in /:ppendix Table 3-G-25, Jfivertebrate taxa present in kick :;ci-een col]ectf~ns from 21-1 sites sampled fn '" ** pa kpp%ndix '=/"abic J-L-~, ce ui~ulativr @ catch of a11 species in 30 minnow traps over 24, hours, Whiski2rs Creek and Slough, June 21-22, '!98;?,,,,,,,, Appendix lablo J-E-2, 5urnrnai-y by zone, 10 minnow Z~~QS per zone, otjgr 24 hours, Whiskers Creizk .............. aild Slough, dune 29-22, 1982 * '.- Appeiid*~x [able 3-F-I, ii;ec~rded measurementj of-' turbidft'd 4- .ce.L.l -q if a?2 a" at +the downstream miarant tyap -2 .......................... (WN Y03,0), 1382 e4 appendix Table 4-G-I. Xdinbow trout age-9 ength re'[ ationshf ps on the Susjtna River between Cook Inlet and Devil Canyon, May to Bet~ber, 1982eea+a~e~~~ss~s~s*.ceae~e~~ow"racd~rg*uae ;p+efidjj< Tab7g 3-6-2, /"" "" - arctic gray1 ang ase-lengeh rflatfonships an the Susitna River betwee0 Conk Enlet and Devil Gagyon, May to September, '1982. .................... Appendix e 3-6-3, Burbar age-1 efigth ationshi ps on 'the Susitna River beh4leen Cook C- titlet and Devj'j Canyon, February io Sc$ptember., 1982.. ...................... Sl i:yiy swl p7; lii Northern pi ke 1 y Varden R2 i nbow $140u Lake L~sut i+unipback t@f % sh Round whiteftsh Burbox Arcti c 4 amp pey jqyc-t Y.w ,, gray % ring 6 Longnose sucker hreespffie sti ckl sbac!< H.! nespj ne sei ckl pbaek -* /J ":LLS~j-y;7;i~*_--f~--pF -.*-P-l -- -A*.. -<j...~,*r i*~:,? ",&6 3-$:I j-s*Q [J 28 0,fJ O,G 0,Q $,a , 0-0 2,o 0,Q Q,o .h;f-:rs'-r;>, ri -8 ,. -.?ST 'P -P- ds>i& 2i.Lt p:-!J -;-j-ft\ 22 i-!" <t-m a .;>- ;. @"@ 0-0 O"Q"[ fJyg 0"f-J 0"Q $"O Q"Q 0"Q @"0 'yz; 0 ,fj" E L "a". ic ~"b 0' '2 -g %< I, 7." -, , GEAR &, k&y JU&j tjk4 JlJI' 6" a--, N. rl-- "Tj3 &&,lJG BUG I: $J ...p oeLj: u+ %*, riT 7 TI\ -S1 1,. 1 jrb 2: 1-15 .j.f--30 5 3 Ba-15 j&--.31 2" d - j6.-.3@ j,....%5 *,~,* *; . .. . v~z a- ".- - * r? r:, - I-?-'u ::-i>tzil.,:<~>: % i~s,&~.~-,~~*, 1: T.2; 9 3 g1 *: =-a p, %& = 23 *""% ). C *," -., L: s. : ,i ::\:+I \.J * ;$ >-p ?, -- -. %-- a -8 --o ke$ ,.,si3-ii.szL isg ,I,, $0 2.1.7 +i k; E1-j ,,G I""'. " 18 ." J- *L,. .I!< * $J * .. 1- ?J$ a 1 *yg, 1. 1" 8 -5 *" ."? *, 9. *- ? ils,$j It! &,j-+y,cj -. 5_. : "j .:; ;< :; -7 +--:#q vm ;:* YA,?Z 9 2rA -,- 7 ;: 7 ; :q e,, *-r> * - .- - . a A"!&* **L.&A&d *%..v LO 1"2Qe9 t.!4;L 2; 2; 'F 2: r\,+y nm- 9 -;. 17-g .T : x- -L.-L -.%.A - .% L LV i": :;.~-J.,s -. m 12@,6, -. t- dL &5 - -r-srspr4 :: -,,.- J ,~,c~~v;-~-~~i,ia~ ;kz.ii~ 3-26 ,<i yc 122 .+J 0 2A 0,0 Q,G 0,0 0,O 0,0 Q,O 5,0 0,O 0,0 O,Q QHO 0 $,Q 0,0 Q,O 0,0 O,Q 0,Q 3,0 3,0 Q,O Ri Geagsa~hi e f*! f nnabe; $4 i n oeq: f4 j n w N" " e * T&*otajrl$ $g-s13 J"~*~~'jf~~ - JoT I.;;" --,--- --- I rap e rap Trot1 Ewe _--.--- ----.-__- --- ----- ------- Otl-aes Gear &-< z-fG >-- # ' * -& 2 :;4asa<, ,& -5 5-i c::gi- a lb; e-, -2 ~~6qr**t ,J 13$?05;4~ 9 ~$7-13 -8 9, 0 3,6 2Q,O 8*0 ?OQ,O 4 , 0 A1 ss 2 GGi : ";tat, March A1 ss f Ci l lwet, &]-aci % #- = -2. -% a*--$ a e , :? S~~~~~$5~$~ 3C~ci -- - S,O 1,O 5,~ 2,Q Aiso 5 Gillnet, April K:~~cy .,j~ne ,J Q YI,~ Ju7 y J~J! y August Ao,s gu s t *" Sap*ker~$e s- Septcmbe3- :%; t- K+ ;!a 3 -; e .d c 26-2f~ 5-75 1 6--3 I 7-75 *ii5-33 3 --? 5 7 6-34 --w-- --=&,- * m----- --- ---- -.--* -- -am--* p-w- .'"...".."mm.-~--.. - .- % >.,<>,,$&)" - .-e-* \-::-: f ,S 8 *--. s- '"- a- s., ** --a gu* 3 9 P . !,I 715,O 472*0 558,5 754,Q 243-0 .- *- ., " i- -'"Sf;^:.;z \I$&.- (y$?g 3 -25) :d .i- " - g" - -- . - :,,,,.;-;. - 3, C 5:j 3e~ i.<t-&je PJ$ Creek k: ;; I ;*. 5 :; e.;-! - I" 5 $z 2 e s "a+?. a- +- ~ t "a I ex of i;sshwi-k;la Rf vei- *:r;~r-~i~~>y-j ":- % i to b, ",* 8. ~ - ai =f ~?j q<+s, ak2:avc Sheep Qa.3k s!i~ugh ccos2 Creek 2 - .% , ,, ". 3 :c-i::;;-: $ <,+ e ., . 2 ; 2 r,! o :; ,? <6_ + bmmlkmaIU) CCC Nr*"&!,*CI"'I*> mm E3) *--a ICQT*Va CIISEI- .- *a Q6yJ @*,@ ,,m,,mm - pBI"? *m?tl*UlligmI**"m?%~ "s-%we m*mae --be pyJQ * * !x"" b L k SQ 0; 3'39 -47:jrnji u';.:~*~f.,,,;.---- A->b* '&L$ 2i.zL::::<iL k'" ;-*.I "i-j->jkd "" " -- j?J-j e& 9r<< -> * 0 , mm* ixlixlaaw "<ixl m-ixl"_"_WCr- *%,**e--m mmw<liCrli~rm- Rlb1SrmB...w*C PLLW Bb"~~~~,*TF11~ 2. 1. <3 * 0 F) 2 BWUI~31*V.V*%,~* -wI&~a%*m g-;zg;;* bbn-- ir;i?;"fh3 b L??*. a& 3 -> , Lane Cwek {R0!4" 133"G) 3 g& " $+'"*"Q" ,EJ~;~L h 66r*sr JSS ed: 6% Lane Cseei: {R,!4, ;33,&; - ------- ( "" 4. {id j :;r;puja.~o:~g *% ," *-* -- .- ** *- z**;a%.>* ;,~;~;~~ 2 &L&jJ-J SIDE P7:ti9$;4--2= -. %*l&>Z .42L 8 3 ,r (1 14) 0 B 0 Q Q =s*wa*w Ssa 0 0 i&;U.mr"a- 003 cSr"i.sc,waLY- 1 f'J O (!! ('J O i 0 * m e.e>sm=w 0 z& 5? 1ULh-,Oh*w 3 -,,s,w,m am-+-, 0 Q $ *me-- .*>~*Csa~ OX'Dw,~mv- fJ" $$?- flGS L& WA,~ *%s*-e?zz m--a*wa&%m +2-%m"zwwJm*** -%mmmm-S&x *maaz*,?a- &mes c'e?&~WL*~ us.& ~NXklaaltl ,r %*% 0"O 5" E"" La -l b* * #s.sas m&b&**- Q0$Q * -,??;rt;rt*tn ulaa T* #"" v b IX7(,-*7mm - 6" [)a$? 0y-J Qef7J -mS8mm->e9 - fJJ fJ -emaraaro->awa i-j a fJ -"sse-m "F.eQwBi.0- -- 9" L" ahliwt<-aV\CR-* I'*Pr-(mani*'gWI IW.sDxtDBma*** Cnn=s"."m*alZULI cseLlBBBwci*J4- ~b~US~~s41~ Uj)m&Tz*- w gr xma*aima?iarsn d 'k* 4: 0" 0 0" 0 0" 0 0" 0 0" 0 +fe 0 ~-&--=sL.~~ZM l'i i i.* r-iir i""V LIFi- i-i: -:7. -\*"&.*a <*.a, &x-."*.w.> %<a, CtCtCtCtR., RL LL<y~Y a*.- e*m a.. CU ,I-&* Ylll rv. CXi:Xi:***. 0s \yrr BLBL <*= 7*1 LL,ciii*wr w,y.* M *>*, emIli -+. xX,a% mA,, ay- -0 m*>e w> -*a MMM -,I -qT"T",T" nvg. ma aaa Wi* >-* *cfir=auu rat5 iZriZr.iZriZri-'i-,i-, man *.** WUSn *YSIfi(.U. LLLLLLL Law-3 UUiLLL LL.LLiRiR -11 11 w.-- -"**.x? - Lln? "1-7- "1"1"1 -s---11111: 11-11 WWW WWWW WWWW .WWWW $j~ve~?e ng W~CO LQ~B 313 (M<'jes) -*- ---'.--,----- Ta~acd i rs 158'1 , recovered in 19gh n::* jr 82 x a4 " &&, a.G c k<35h\tf4&~3 i?i\~s$~ casate 11 <reek (~~$4~ a,oj [R-R* ~33~3 ,) c<Ss; 6-2339 &- 372 Ma; ws&e~j-oppcsj & &;~3nz;afi~ Creek R&i deux @reek QR,FI, 78,0) $R,%, 83,1, TRN 1-5) 2TC Ids t,i nstem-eppo~j te g~jatai.~?;? Goose Creek g R, M, as, o) ;R& ?":?eoj 286 SUDS!-~?R$~ r, #- reek (W,!y$* 75,0] Cosse Creek {Ref$sv 7zbOj ~$1 ";j 36: 32";. - 4 9~ - 2 i20rtaqe Greek [Fl*!<4* :@?&A3] 'q *" " C ;'iqa --.. ,# ; tj 1 031 382 . . i. 34.7 Portage Creek {@*Ha jbf&B.] fsc : 063 *.,4 Lt- *\ Q 6 P-S P udG~cL 360 F~~+- ,~2e % Creek g W*!4, ?4S,S) *-a E L+ Lane Creek (Rs:4* 'i13a$5j same DT Lane Creek (Re!$* 'T73s6] ..-- -a * 1 P -*l 8.1:- 2 ".; E :; :'A'> q& 2 -" e *- - hr-s. L;. %th of July Creek (R,*!% 13;*-Ij 35333*2 .$-3O - - -*- 3 il- a s ~t,~ +@2 ~6;:es; 4 4th of Jv7 y Creek [R,M, i3!,59 same 8624.52 38% ~82 3. 7 4th af July Greek (Re!$* :37 -: 1 -lack Long Creek &&,b{, ':4t+,5Q Ga 1 d Creek QRJ~, a3s,sj Gold Creek {g,P4, 136,8) i Lane Creek fR,@kS, 'ii3,4j f-41ainstem No, 2 g~,pi, I nt;;; ,el 4 81 Lane Creek (R*M* ?.l3*6) 44 Laale Creek (Re!@!* ?!3&] 5"g.l z9Q 7 d b"-> b.L A- ir "* (> .Lh ?) * ),j 3 ,.er r 2 6 hA Lane Creek grr?fir-.ra. LJ";.llbaL 4- 6 [R,N, %13,6) same same 2-725~; .., - 38-1 2;9 #. s hd -. a Sku12 Creek gn,~Ff, 124~7) R - P ")i a a Jack B-sng @re& $2,X, "&4-,5$ same 22 Pgrtage Creek [Rat$, 5$8,8) -!S~Q<@ abois ~tap CfiL45 ftr;a F$$ver [R,&f- 98,3] c~,fg,g,,, fn q582 - cog:: ad " -- .---.--*.----" ------- Mai wstena-across Prom Sunshi !-I$ (R,P!, 79,0) plJendl x 'Tab: 3*-A-?Q [(elative 5pawnjng paturfty 0-f Ari~tic gi-ayli3g c~~~t~jr~~ in the Susjtna River bebeell Cook. Ineject and Devil Canyon, May and June, 1382, ('2 1 " Cc~fla~ C-I CI!~ Date Area a$ Ksi ver 0% Gonads Sex Length -- ---- *-- - **----- Aae -Cgture {Y] j 7 @ --a&-- a--="*m *---- Spent ";i 365 - 6/6 Lane Creek 123,6 lillirsn.mze.e,*b- 0"a @"Q 0-0 om@ 0"Q Q""O fJ"O e 8 -w.-i..-.-.-. E"3-j e**-cjnl?.-- #-= ';" '$ 3" 1" ,g " 88 0" %i mFbi'Lla.lirrrXW*rM OTQ "'" P" q p. "* , p.y-'I.r; .r;- Cp cr -41 e- l"" - - 3 & &L 2-7$-J;i ,;* i:,, Lk 2, .$A ,i :> c-1 kl';?. ?,* t 2.*, \.. 12 " :$- * all, Sl4 ;, " ;3 C :/;-s *.,.a- p- '*.< ( ~et ". .- -? ,i"t$- ":; ~ J ;> ,a 2s />:I- -.sa+*-,r&c * m*.*~~~,~~b~~.~~~~~,&~<~.a*,.a * ae*<~*~k:,mn~*-~.~~m~~~~~~~*q~=wa ~ zaem*mL*t ~ w-ps-*mL-* ~~~~~~~~~~~~~a~~~~~~-z~>~e~:~b~~~~~~~~~*r~<m~~~-~~~ m,cs">esm%a-,w ~.~~~,,~:~*~.~~<~T~~~~~~~~~.m~.~~~~~~,~P&~,,7~~<*~~~~'~A~<~~~~~ ~*~"r=*m~%%*a~s*~~--*~a*:~v~&- .** ~b='.~*~~s.sa*4-4~. \*.*.-a*-*,. .w.w.>--a, Pa- s,~.-$ QE.---~V s'!-=~ B ~f,r.--9*[ !&:, S'$--T Tc--.9-[ p s'"-.." aA 9 - TE--Q" .. s ~.C~.X%J.I TYT ,yJQ $ZS """' Ji-j,kf ;--gg" rlfip \, $1, 5?xv3h1 \$-I - "dm ; 7 Li ,3 * [ aimosie,swu bYll,aw.Ciprm- ISIUm-7-I*e5: C*am --TI-> ISCIW -01Mtlm -fq: 0 5"T4 0% '"p) "J,'-i"5: '.;---:Ap -"" -"-'"- em" ~CX-t'?..uL-s "'Ynm~~D.~-l f" ---*at .L<:=*itLbt -3 ?: 3-; t, Lw.,rImc*,UiWA%= rsw w<-oaam %~wa-.s*ea,mAz 8" mwalgls BaUmu -?p" 6 "ms,--*YIEwa nsBYJI9'm.e*lm*OCP Tqr f=J ITiDma*IFS-*UaDII(T*o -c- F-?mClm 3 suJmm~ --m*Eoaxl..xsm%awrir. aro 1 " -,mmsw*-m- 5 f-Je > m*m.n**- v- w, VL 9 riii-m---am "E*%-.-e -w&xm->e U.Nl-.mCIlLU-S- I*"BYI**04a)--LIB 3113---- T %3 L **s%* m- 51Yi ~UU-.~~~~ ~%7~-.~> .- "fZ 0 I- CCVl =IM **a mm 0- sw I a-LYII<.LV? TIP - i .saqed above the Chul d "iw RRi ver [R,t4a 98,5 eo:?-sf'% uence in 1982 .'-.-s&- p---=--p------------- $:3erman Creek (B,t*f, 130,8$ " '"" 4 v .-,-_ - ...A-W .,I .Ed;_ c;.s92532 45 tef i sY3 57 ocsqh safne 0 qw,~~ sa,2t -- -------a "---w-------.---m-=--------m*-%-w&--------- ~~~~~~-.-~~~~m~~"~~-~~-~,~~--~~-~~~~~~-~--mm- Appefl~i i A -fa;;; 1 e 3-A-.28 R?] a-twive spawn-; fi~ M matiirf ty of bilrbr,t captured -in the Susitna Rjvey $exween Cook Inlet and Devi "! Canyon, September$ 1181 to Sepeernber i982, 0-f Gonads Length Age ~3 tured Capture 14 j -1 e m.m------m,.. '7.m- WB-3 --22 --rn-rn== a-- --='--- Sex - Male ---w-w -- -- rf pe V *p 3 [je y-j pE% r *i pe 'i tixnd tuye y-j pe rj pie r *i pe u. -i fie ripe y-7 pi2 r, yj * $L v"* i Is""" $32 i * e* "+.." jljtfid ?,{J f-e: ." Pi( #[I d,,., # \ r ip-?/] :; -I "'" Birch Ck Birch Ck Mains*h,em #I Fla-ir*ns&em Laa%e Ck Mainstet1 #% Sunshjne Ck Ma-in skrm --2 #2 Slough 6A Birch Ck Sf Malnstem #2 pdaj //z Birch Ck Si, fda j tpifi # '2, Maajrjs"{;etfi #$ Des$sH<*a FB,, fdia jn~$~lr~ l Date Area of River P,g e -rL- ---- C a p-+& m--.s.______ Capture Mile ----- cgntj -i -ti on Da %e Area of R~V~P fyf ti~ri&gs ~L~$____ i g3ry-~8 Aqc; ------ Ca c~tu red -s--*- m-w-7 ~n -1,- Cat3 t u re '--< --m-- Mile "m7-----,"=- i mrfia :a li~.t? 115 0 a 21 133 A1 ewandef Ck, i8,1 r~~~ra*tu re 168 1 9/12 Alexander Ck, 1~~1 j fflfna ye 180 t 9/13 81 exandar Ck, IQ,% q (ST 3 RIR~ tu re ids 1 91 15 Deshka R, 40,6 4 s~matu re '- a u i.1 .'** L 9/12 A4 exandei** Ck, 18, % -j itygil a ~1 2 2 5 1 g/ 15 Ceshka R, 40,6 -.J ---c"r-sT--g --._-3..s --.~fq~~;~ ~*;IEE 2i$,$ ~3 25,~ 0 22- O 2 ma . Ph-Ph-*5-4ai Ylr"n--- .isr.isr-QVa*.mE;lfl .iSr--"=IXW * , -; " e-k ,- T9.--- S$C 0 ""h --'-.-**>.,~',""fi~n.a, L'~!~LL A-~SQ ..&U .-jiDeD A L -eansmswh .ss,-m"a- *-&rx-m -m.w-**a *-a=-- w,mm ,,a,*-"> r. , - srs rr 1- pj,g go lkfjeQ I * -X- I.! !a: -c ,,"lra , i<;+ g-:&' : t. &?.J p; !: : 2 ;;: "' - " i:& :-!, I L. % G, -,+ TR &-+.-. 1~4 O.0 @ 2, *2B,m-m-> , $ :;:;,I TO %t3 5 * 1 mwwma, ww--.--.D ~XIXl(O.(O..-en, .-*m->...--. Q , Q ---*'----- ---.LIPiLIPiLIPi.- -'---a- x-i ir& 4" " -- *-- . 0"FJ ax& -*- r- C"**.-- e".. ","; --*- -' aadlx2 78iAbL..-< *. -- -6 .-'a -- ~---~~rii'*n*****-, a%.- LLe~~~U-~~~ u-u-u-=--" -%m--=.a2w-xa6i. -?-?-?a eaae%-ws.=~-~-.~zz ~~~-~~-~~~-~~-~-ib-~ib-;i"*~"*~~~~~~~~~~.in\f*-~r?-r?-~.~.r~~)ib1r~~~~i01~~~~~~i~i~~1~~~.~~~885-~~-d -.-- ~li--- ia.~~~~~en-~~~~~~~~~~~~~~~~~~~~im,im,im,m~~~~~siiii~ia;a;~~~~~~o1_01_01_~~~1~t-t-~~+~~~~~~~~.~~~~~*~-~~~~:~~~~~~~~~~m.-~~ ci.& y 1 $'-j 3 g~~a 7 8 VB33 JjJ $? - *- 'i *- P +oi e-? e UP h+ * 2.L .tN&5& A '&i: iUN Ju-L JUL 1. SEP SEP i$\&j; " *-r,- F* *I ;<3&l& -j6..;.4$ - jc.-.i5, 46.-.3,@ 1-75 "W - $fj*3$ 5 ,, 3, 3 j,.-.'jS Mai nstem-East Channef (W,bte 62,6] 2 YXP Lane Cree!: !13c6) Sheri~an Creek [Ra!4* 'i30-8) k5 Partage Creek in,iiq, 54s,aj 45 Portage Greek (2,H, ?48,8] Jack Long Cseelc {Re!4, 14-4e5] 52 i30stage Creek f RoM, 74@,8) same Jack Long Creek QR,~, ab4,sj 52 Ma$ ns&s~-Eas$ Bank [R,f~3, 445,Qj * *- a a- fie 4th of July Greek {R,H, 235,1] Recovery Location --~-~d~-~~- a, 13 Fortage Creek [tz,b!* !L!S,S,9 3 ct ?o:-x~ ge Creek {Re>~]* 74f3Jj; n - i %i; id2i:is"l:r~-East Bank {[?*?\,do Ef5;)*f-J) sa:fnie de~y !\$a i ris tern - Sunsi3i we (R,bfb '6"'9,8j 7 Maf nstem - Sunshi we {Re/% 79*0) 2 3 '$ai nstem - Sunsl2i ne {RBfl% #-9*0) "-#* t.- ",'I".* 0"Q $qZLL 5 *,o $.%,a yr'J ,J -$a q -7 r'- -- .- . .-- " .- L9.d ,A *A -t ,a & a:; :i $ <:[&;~' 23 stye 1 3 Creek e2Mt%r, $53~2) Ewdian Rives [R0!4* +l>Ee6] Mai nstefiq-East Channel f R,H, 1Qe3,5] It, E.4- aTTt'.Z J FT,XLE li37 1 e'~ " fi- t- e daa : t.~ ,/ e 5 8 2~ -*-- ssL*(h5nmaaTra UnUnBtl-sPkllBPI 3 Pm\PW\PISLm w,aWB~PUFaUI O %A 0 j - 4 .- WIk-Ik-Ik-mm ci 2A -meavz- amh?astmmw -cm*-- em-,ehmrn e.=m-%w.c 4 0 e>mesa-.;i-a O 2A aQY;ie;mekrs- @,S*+et+n~*&. e*%-%sv\sIB*I Q a- *a-- 0 3 w*.-3**hn-> mm<,m-**. 0 2k! v*aw-cIIBI e-nw-am 0 '%.,%-*-- aB1 *OF-'- WYl-mmW IF.iui-mL- *IY- earn- nnlLSilrhi'fdrn , -*e---C~C .. - -. ria *--.?;YE?& I;\ILE 25 * j! T.2 126 . 5 fir- *-** .a s- -*-." u LA* 9 4 * ---%"? -7- ,(,% Ci lJ ;, ,-A" " S* :"-":$Z *.-,- "i: :< -" iii X' i i ,a a -8--.- J,:$ %$.$ i-3 q y. p: T ;$ -vJ---C_II -AS_;- _*. i.LY "I :$ "3 &-Jp $3 <P T 49 cp p.. "1" <# > G,J& $ .{ dg- A >T>T{ a La,, j CAb $7Lw* f";T ,,d .y r: $L -, -- :: -.- y ::--; ?jate ,o y. "9 a 5 ::c ""e *$ : . , ,, w .. I," t r, Tagged in 1983 , recovered in i982 -*- --.--------- L----=-----.-->- aaasd above %he Ghks% ltn~ River d.R,M, 98,5) conf 5kissice in 1982 aaae day pa~kage Creek <R,b(, 1%8,88 Ha i nstecn-"East Bank fRg~4a %47U&j i I HRi s4ers Creek Slough {R,M, IC11,2) 6 Jack Lsnq Greek (g.:*j6 -tL$L$*yj Slough :S [R,M, 137,0] Jack Long Creek [R*&f<, 14J+%#5) %eaqea 5e7oi~ kha Ckiul ixna %ver if?, b4, S8,5 1 zawfluenc>t+ ;n I9&f --"*La ~m-~~~~~-~-.~~--.-.. --"------ -\ <- -%- 22 s rapper Creek (R,t4, 3?,5] FLTL t. <;I L & : c& 7 3%; S- a t Peai~er Pond {S,t~t~ 86iC3j Beave am Pond - 3 nl \i.x; N, 86,3) Majnstei~i-East Channel [R,H, @3*0) L11; *X^ - p - -: -y """j . -:; -""C -i a --a, ,& wl. . -.Y. i r -? * .' -5 - -s. .&a axle r-4r -ad 7t-y >h i.; kk+ a'p. *r<{ cj .z 42 -1 tT h7( -5; ?i 14. ;' wp --* 5&- i* at sure *sg ""A pJ -d~ced above the Chu%itwa River QR,M, 98,s) confluenee i~ 3932 L .- P------P"- - pT - f-e&c;~;$,-2 0'. 3aa.s.- - .,--. V.L d5-k % L- 2 78 kz~s Creek (ReRt 133mCi) p - " " r , 9% i , , .d". ("6 :'i T'"! a *" , .. '.. h OR"'""" , Le:ji 69 Lane Crsia- *a ';d (RJd* 1'!3*3 7 -! SSCEJ~ 1 Creek (i?,M, $24,7) Gii-925C"i - cJI_*A ~30~32 uzkqown l4ai nstem-opposi tie Montaca Creek Fi sh Creek-off fa1 kee&rta R, [E,i4, 78*0) (R.E, 97,0, TRb4 6,O) *-Smt-=* Cdg '4 L w**w*oAa2 *=Jim T T P 0 i ~cr;a~m'- COO w*<*ailU -1 =-*?hi?-* 5 -.wm*ra- mm-Bwm %-rmWF&- ~m~a~~~ *-MLSema -m-Y- ZQ@ (fi?)~liT(OmFa z 0 z T 0 0 0 T w*-eXIIw 508 E"ZHT I3U1 w> ,Wm CrmrTVd 9- Lm-w - '% " =*-neem*sm -mw--- -wa%ss*waw ----- *TT~Lm%*~e.s, --&,s-axv* ----*- ZOO r.C*9Fm= - C5 Q"@ 1" 1" 0"O 0"Q Q"Q I" -rrrm -7 rLIJ-ae C " G &*PQ .,k,dL~ EeZ-iT :, i"' - " "" ", F* . .. , .; % ,. ,J *;~-g 3" e r-b7 ;> " " - 7 -27 3 " 'a- r.:.c;.;: .~.~~,xJ_c~~, ..,, t,,, l,vl!ije4ar) 633 136 .-'Sam>- "a- t ,- -. * .r, -. i..! 1 4. 3 3e - Q ~'""“.~,~~="". O,Q O,Q @,0 Q,Q <,G5 0,:"Q u---=,l-,** 0 0 3 m.x.w -...- 0 , , Q Q , Q Q , fJ :I ,O 3 <'j ---masas.- 6 ,o a---.-,m.%-. -s,,,armr6ii6ii meafilahu wrr Q ,O -..mw-- 0,o a,@ *I O,Q Q<>c-.- ,r"U\DlhFI A- I *am-w* -*httem,WAs -m,w3* w.e-ssx-w G _mlaBDIN..ldEiQB. WmULVrl-m T" "g- o jl b9 -* U"* s* lpil a* v--fl 0 0 0 0 yz 0 YIQI-e- 8 pya,,,,,,, f-3 .-sm-,w --a 0 0 191J-IUI-3 -*A 1 -I 9 E 6 0 ifiEIwwm uaCsmaaurr*lu* ,r,a,?*,-.- fi O r**BW~YIVY a*av2**,-wc*- 0 w -la* LVT( I ;r sE -r)-Fn*- 4J 300 $"88 "I"" " a ~3 ..4 042 - BJm.%%-lRVB CJPltUlL*Ml*3&N .wxesmd m*-P-,, 6 - * - m - -3- -3 DE\" -I IB e 0 0 %..&" *'"&*-*&,a -*ear eas*hrr .7. 3f:3 - i\ I L 207 L 1 -J m-s=ast- a--ui-i, Q 2a m n*-ms--> mwil--llVr C -.----em 0 0 3 k a* 0 mm---.-.. - ->-" * .- I?! 2 A SI jmy scul pin Northern pi ke Do] 1 y Varden Ra~i nbow trmm t Lake trout Humpback wh8f tefi sh Ilound wh4 teeF"ish Burbat hJ8 ~xrc ,* (= a lamprey ~~~$'p~ ;, grayling iongnsse sucker -u 1 hregspine stickleback Ninespi ne stick1 ebaek chjn~ok gt chfngok 14- Chq$ nook juvlen; 3 e chinoak smolt Q+ chinook sfno$ t b'I-!- %""" .: ri nook smol t Sockeye 0-i. Sockejre 1.; Sockeye juveni 1 ;: Sockeye smo'lt i sackeye sniol l: ji. C* 50~kdj~ -=,K.tD S!~IO~ t Calla fJ+ Cokm 'B+ Cs%~a 2+ Coho juvenj"!e C:okoo srperjlt fl+ [;QhfJ $[flCJ*l -t 4= r", Ccr~ho sma-i t t:+ kSoi;.sci sma'i t: p j t$j4 0 -5 cilt2n; cp II ' -* m - , -3- C'iiinooli calmcin jiivenries , da~inscroarn roigrang trap da.~Ly hr:d cumulative cs:ch and ca~cti per ho.jr, June 18 to October 12> 12382 'X '-?L,&*lil Za-;iTi=r ,d+i*l% .L,I.WL.U*.IJCO>WC~GS~ETV*V*~ 'U=l(ii*1t~~1~~&~~~~dk-iik-ii&~-j:~~~r~~~~~-0~,~,~,S~~~~~r*3.~~dl.~~~1~c1.~~m~m~m~r*l0ii73~4~255*3S"~*3iilSiil~il~%~~~~EdCrTSVErT"rirkjU&V~-5b7.~~~"~~~7~~~RR~U~~~~~~-i 291- Y rj~] $13 DA E I,Y CUguLj,TXOE - * )'li v. I.J$l L E; $"I 5bHzIj DA 1 L~[ c ~q9u.u~ 1 CATCH CA1,"C I3 ~ERIOD 3.M PERlOD CA%C"iE% CA'X'C H. PER %OUR PER ilO%%R - .d i'i "#,.ir*-.<*- *+^. La.-* u~W1IJl~iutirx,VW~~*&li~~~~*~ar~l-C'UiiT"1Y-r>~Yur3iaidij;lj;l "*d'&Lmial^rr&?X9~lTs.^r~"iir~-~~~S--i*1E??~24~~-<"*~ULI ----~ULIm~-"~*dd-~-*LICLICB~PPPU:U: \r l aOURS QA 1 %,P ~titllj ~'~4~1 Q yJ$ "$42 " *- -p ,% .- k* J,.~WE D DA I LP udIiJ LATITJE C:ATCX CA'TC [%- f--" -1 -1 2 kZ: 14 x* 3 u 7% e. "- p~~f~rj C.ArTC ti CA TCB PER IIOUiiJR PER lHOUR -~'~SUA~J&<E%"W-&-*-~SSZ>S *C~*~~~~~~~&~~~S~ZP~~~~~~~~Z-~~"~~&W~~~~~~#<&~~~~&~W<WC&S~~-~~~~<~%~~~#~~- A-d~S~W~~--&-WCawa9~-S~G*8WW~*d*d~~~,d~C~e&W.~&W~3Wa~ZG~ HQUX S GAILY CrflxJEATf VE QA":E I? 1 61 P'iY * 3 33.$f; j-j BA I*" LY C U~~IJL~~TX IfE CATCli CATCB pp, ," -p .". * =wk "B-Bd j,!; CATCTI CATCB PER HOUR PER 'MO~R A~;p~~~2-i,i~;~ 3-E.-3, col;;~ gal;r.ion juveailes, dop;ns--- LL~~I mieua;it trap Gai1.y 2nd curnulati-$7~ ca~ch sad catch per hour, June 18 to October 1-2, 1982, $20W2 82 0 86 3 &2{]804 82088 $ RQ f G'** UL LJ utt6 820887 620809 323&05j 87081[j 82081 1 8288%. 2 820813 82@8$k4 82081 5 820816 820 ?$ji 7 8%$818 820f;'j. $I 820930 320k32 1 8200822 8x082: 82 $32 4 $2 0 tj;? 8j [$2 0 8%fj e2082'/ 82082 8 8% 0 CQ Lj 82090 5 g -J igfi<3"44 ti,. {J 82[;903 32 (]td$(j & F;:2* [_I* 9 $2 (1" jk a ::3 {It; i j r # c!l J '[ 245) j rj :::x gg (3 1" !* 9 "J "" tdb" tj??" 5 r - /> I.!') !. t2 """pfq~"; e b %*" ha ( jiE a ,It.$ *J 5' * 0 lipp~nci.;;': 3--B-a4-. Churn salxmn juveai les, do~;xis'r~sm migrant trap dzi.1 y and curnul~rrixie catr,fi arid cztch pez tmun., June 18 8:u "t * Qct.obe2: LA, 1982, "Y-- uir-ifiwi~~~~;ii 6~iilr<4~G~~1S~*nBd~~~."a,~rI~~~i,I~kW~.me*iPPWI~13~ xais-s~~~c~u~rx13wij3cxcxaaraJu"U"~~~fi-~3;iS~=~ii~~s ~~T~~~~~-~&~)-~Y~-&TBII~~~=~~X~C~-~~CLCL~~~~~~~~~P(~-I-IS~~-J;E - -2 HOURS Z LAY P t, -<P Q~$UL~ATITE DA TE ‘P 2 :, r (2 as I-XG n ed,i ST JJ bh % LY 6 j~!g'~ ~:i~r 1 TJ-E CATCH CBTCE -3 jzT{-[ QTj F,I;R%~JD $"A 2- h 77pf--q 4 z- CCYTG K PEE 1j.GUR PER HOUR. DAILY CUMULATIVE GUMUU4-TEVE GATGB GA4'C I4 CATCH PER HOUR PER ~~[QUR )Siir~GCa~~Ei~iri~~~~~IiilC-ri~~i5~XUd~lai3~~71aS-.aiS~~E-iiO~4C-~~;%-~&-fi~~rDa1~~"h?C~~BY~~CUDCaca~ f! .4 6! .4 2! *3 2' c3 2 *3 1": .3 2 * 2 2. .2 2: 0 2 2,% fl .1 2 ,o 3 C " 'J 2 @O .I a9 1, .B Be8 L,8 1,8 B ,8 1 8+7 19-7 2,7 1,6 1. +* 6 1.6 1 w6 1,5 1 '. J* * 3 Jl a5 e .ti i 1, .4 1, .4 a . ii. 1 .## 4 '/ "" r (il -u 1" *" 2 " I*, I .,I i ': 1,"; 1,: 6-51 rjiL/rSa,7~, &T* aCx~~~~e--.~~iw~~h7~11~.bj~j~r~~~ &~aa*i-.rm(=;= ~~~~k~ir~~r?~~~1~~x~~*r~sr~"sr~"~r-~Di--r.~~~ii5~~rrBii-~ii-7~~~~;75;75~~~~~ "~T&~~W%~U~~~FF~BSPF~~~~~~~U~~%~~OW~C~XI~*~~~~~I- kQURS DL% TLY CeUM'd 3;A T % VE DAT %E F;'ISNED DA 1 xA"$ IJLJ~ *a LV'E CATCH. C2,ITC I3 C%_i"H:*fT -3 4 Ere-" p~: B*"E cj 124 PPEREBD CkJ'IC 13 CATCH PEW IlQUR PER QOUW -7Lil~~Sir)iriai;ii~~r;r;,~~i~r"~,. .~,iili*ii~~~+~~&-Cii~~~d~~m~&~~eu3~44~~~&rx~-244~~2(i(irg~~ii3~~ilm~~~~~Fm~~~~~~~lili~-1~-d~_1~C~Yj~C-dI*.il851~-4?-3i~~~~ilL*~a-65~~~~4M~UI-~iT~~~~ kppccrdi-x 3 --B-dG . iiii< sa]zc,n juxdeniles , downstreaa1 migrant trap daily and cumulative c;ltcc!l and catch per hour, June i8 to Bctabe~ $2, 1982% r"F~~-.T-+&%SG-~d6~C dtSbS= S&W*~~~C~~~~W~#A~U~W&#P&~~~~S&W~W ~c%&SW<%G~4h~"~~-hWm~9aWL#aC&X~*MZ&*~~W~&*M~*~WS~%~~< WWE"~w~6aC p"q{Jrq" ,:i %=a t* 3- ;'j Z1A6 % LY CUl9UEilTH VE BATE FISHED Dka 1 E"y CU~J~~J~~$$ CATCH CATCH -p 5;- q y L~~.LC~ IN kFlRI3D CA fr~ H, CklTCE PER l3HOUR PER b.*~;?~a_r*-.,a rjrrjrXdrrr -&'&riP.liIPliLIe-*=*5i/461G iEurlraxlCiP6a5i;lyl<~~~.~rdli~1i~~-Gd~~~~30101~~-rj~"r~~*~*W~~ii~~~~~~~~~drDW~~rrrU~ri5~~iis*(Fi*erri~~oja~~5uTC:~WPei1~'^1U>~~rUI~~(bJ~~L~T~~~~&id p 40 8"- JkG U],gJ'-uT I VE i.&T 2; F'l "I"-+- 3~5h.O DA%W CUWLiA."r 11% CATCH CAAfECH $3 I;! 2 0 ga"s AP~ 3L77~"g- i A..~A.OD CATCH GATCB PER kIOUR PER. HOUR 'uJ"*Pui%Jlir~U.L, iuii%*.ili iP~~~r&r7Rr~~TIrTd~~~~~BT~~&iri*~~~il1;5~~~~r;ir;i~~Vi.i5~i~i~~113CiOCY,~,~1~~oY;C%ZLiX0c0c~~~~"~~5i;t5i;t&~4jya~~~TwTi~~~*iiab~erS~31(i~~1*Fa ~~WiliiO~SXSCS* LATE JLjNE: CF* 8 \ goreart 834. 4 EARLY SEPTEPiSER f3 .. I@@ 2 = 9 0 1 mm LATE J$:1k-7t{ ,.> = i$3z '3 .b Q 7 u4 , $5 rtl LATE AUGUST i*? 'ZE j 1 i;a ca rl = -;p 44 , 2 fq-8 I\&"# Continued, '4" S I i j (4s ie* 3 v-- ;?j E z ;;.J -1 LtJ -' D '&.,&J d dddTY 4 --1 ba.j a"D49 p?, I 1 c- dm nu- b*& : I r-, *>:* i 8 ,,*.A i i I F 1 r.* $*, 1' *-,,-;.b.d; %"., ..--,.- ' ,..,. >--.. s2*,t-*.-,,wma->. ~ ," s,a.-a -"- , .-, --,'-- - *. ,&*%~ , ""*.".a."%'".'"'"- -s.-..u -.=* iiiiii. "i"..i:i" iii,iiiii.iii P- . , - *%"..s' .sw-- '.' -%'st<u' .-+- 1 < -' ' B J B 1 1 p.' &*C s\ 4 <;,a' 1 f?: ::$".! ,,$!d f "gj 2 '1 Q 28 $3 , -. * F i l,j u re 2 w 3 -. y' [ :, f.11 j (1 c:; a 1 \j~\ ~1 ,j !ai \j (3~ i2 < -1 .. {:: ,> 5 :[ 1 2 &;<;.# .*,.#'? , "., l. i -1 0 r 1 t w !. *%, -, 1,. - p ;: (1 rb 1. f' " j) , (- "2'; {, :)ti5 y" (:.-{,)!I f 1 lj<!;;[: ?t ' "t* , . t:> j- {:.i!if)$.* i.- - " " t-t i.. ..<.. *<* ,> 1 '3, ;. :.: * !-,,,ATE JUNE 83 *%z -7 Bh, meat-8 = 445, pj Append i x Tao I 2 3-(:-I i nverfebr a're Taxa pp-~seni- i i-1 s-tcmach conienfs a; chi rliiok juveri i i es aP siies where they were col i ec'red in 1982. x i nd i ca"f.5 gf e~~rjci"~. -"'-41 0 absence, a] --__l_O-~#X_r~~-=.__Iw~,'" -_I "-_XC--IILI-*--w c ---------- -~-~------------ 7,-v-591-- 5 i .+$ %* Slough Siougf5 Slough Slough 4thnf Indian 8A 4 1 20 2 3 July Crk River f [ fsk examined (17) (131 ( 0) (74) (52) Q $0 1 ')'$Lj-.r-.>c;' ,,& ., -? f'" " 1 !3 1 . 5 f"~) ; p<-Jpj<, +.f7 a t-3 <*,I 0 [.j/ j;j+,3f-i-i 2~f-ij;~~e rj X ~j '[ tc <: [:) pj* $J ",d zz ;zi~j tj 1 z> i'i *q X bjf.>;nc-j n-i 6:~ 3 i v \ h \ # 14 '.,a;:*,: "5 .'" J *f"*? $a.i, 1 ;fj I ;i ii 4% 5 1 '"i')i r"/..%i i"qi..'-"': j . #..a. -**2r .*:,/)-J -". '-A 6 <3$ *di:l[:! (1 0 i I . . X C> !\ppend i,~ Tab! e j--1;-2 i nvertebrate -tax3 present i n i;imac:h conf-en?$ of ~311~) jiiveiliie~, at sil-et; #hers they were coi lected in 1982. X inaic6fe~ presencej 0 absence. sJi *-*-a -I----- Se-Ba-V-lY *---me ~.-~~~--~~p-p-p~- "~~~_.~~,r~-~&~~~~m-v~"w-~~--~-m Slough Slough Slough Slough 4th of Indian 8A 4 1 20 2 "1 duly Crk River No, fist? examined (40) 5) 01 01 (441 (355 D i p-ti-era Ck i r-sngx1r l dae Empididae Psyched i dse $ lj~,~ f i 1 dae Tipui idae Epi.ler0eerup-i era BaefI das Ephemerei l idae 1-+ dr agen -. 1 i dae S 1 pi-! I ortur i dde iS I et~p-tera * C Capri i i doe Chi~roperi idae Nmomi- i dae per- 1 sd i bae *P a &sneop*t ersijg i clae Sr. i chopiere Bracilyc-en-ir i dae f oss~jsomati dde ilydrups\;iefi i dae L inlr\t3pi*i i i i dae Riiy ar::hoyi-i i t 5 dae j ;j drjce8" d Csl i embo t a Gopfipoda I-iyrjras;,:ar- i rla Cj 1 1 qcjch a<3Jrae Osl.r-ncsd<4 -" i?[~penci i ii ! ab 1 e 3- C -3 I nver-Teb;-ate faxa pr eseni- i n sfanbch cc~n-tents & sn:.iteye jiigeri i les ai. siles where they were coi iecied in 1082 (% i c,,cl i ca-tes pr %seiice, 0 absence j , -*---- -- b----w&-#m--ce+" ma---wp7--P ---- -----*----- ---'- Sit~ _d Slough Slough Slauyh Slough 4thaF Indian 8A l "a 20 2 5 July Crk River Fsjo. f i ski ewani wed (241 (541 (. 6) 01 Q 01 01 u i p-ter 8 Ch roncrz l dse Clllp i d i dac Psy chod l daz Slmut i Pdae 'Ti pui i cia@ r, 1, elirc.!r ci p*iser2r 23 g3 (<Icqe*j as. daf? Ephemes-el t F dae kiili~-tageri i i dae S i 1.111 i orcur i dat? $J i ecu p-l- er- 3 Capir i i dae CI; i c~i~o[!f-r I i dae Fjematir i dae k3er f ad i dse vTde!~eapier y y i dae -frsi pj ,,[ O-J r- tera pr-..- ,. oi Ivy ci-:n-ir i dai- GI asscsamafi bae bjydr-opsy ch i dae iu irrutey/r i I i doe Fir~yaci.~op" .i 1 i idae iJP 1 cjo~;sr 22 c::ol i @f!hoi a '30 pcj d Hy cir x~r i fi~ C:, I i ~~sci-~ae"ia~ 0 5.4- a- 3 <: cdj [j zi fippend i x Tab 1 e 3-C-4 E i ect i u i Ty va! ues for i iiveri-ebr ate$ found i n .;fomcjch corilsrlts of ch i nook j uven i i e5 at Si ugh 8A i r August 1982, The percsnt. of each inveriebraie type found in s$mach con?en+s 1s cn i rc;wc~m I d B arvae c/7 i roilm id pupae eP2ironmi Id aaul f Efip i l; 1 dae ad:.! [ +s Psychad i dae l arvas ofher dd~/-f DipTera 5 i ph i unur l diia nymph Taeneopteryg i dae n, i:o i eopf-ora adu 1 is ily dr-scar i r,a Ol igockaetae satnio~ eggs ffansk:: rg3i-a Lop i dcqw~i i, dtlo ( -1.9 cJfilsi- j-c?~<es-fy ia/ ------- -Sdd.= .-AM "-* - - L-* -*--*-*- wa-,"-e*m-- -pp%M--m--" ------ ---. --- --- ---"--**- ---v."--?.- -m"--a., ---** *-w--'"<.hu-.- -- -- ilJ i)os i i- ve vij I ues i fid i c3l.e pi-nfer-eilca or, or SR I e~t i 011 3/. ?he prey -i.y pe. N~ga.f. ivc: ~a/ ues i !ld i cate av~i dance 0:- ur~at~a i I ah l l i 9 y of -tii~ pi-cy Type +-fie fi~j-j, Qniy !river-tebra-i-e tax3 wfiic!i f.r i ba Ted -- >- 3-0 "fhe s-tunach ccintan-"f or $sly i' r-0nmew-i samp e5 ar"e i rlcl uded, Ni~pet3d iu lab! c 3-C-5 . E iec;.Wv ij-y \/a! iies for invertebra-i,?~ found i r! s'iomach can-i-ei-t-i-i, of c% i riuok j byen i 1 es at S ough I I i n Augu 1982, -ma & Ine per-cerit of esch inveriebrai-e iyye found in 4-he stmach contents is F" :' ,, *lie psrcer?.i- found in the environmeit? i 5 ppi. The el ec-i.iv ity ValUG (L) is equal io ri-pl (Strauss 1979), and is shown wi$l.r il's 95% ca~f i dence i nTerva , d c8.r Y raoncm id I arvae S,73 0.48 6.5%&0.18 ci7ironanid pupae 0,SS &#I6 -OelO~Oml I ch i ronag f d adu l ?s S 0 069 -0 e56&0 e09 Empididae aduiis $,Q4 0,03 Oe0Ogy08 terresi, Dip?, Iar-v. 0.08 0.00 0.0820.19 ~Ther. Dipt-er-a pupae 0.00 0,00 0.0020.00 Goi~~p-i~~ a adu[-is 0084 0,80 0.0320.07 Pas/?-ivc7 L. raiues inrjicafe pre-ference for-, or seiecfrion of the prey iyp:~, Negaiire values indicate avoidance or unavailabiiity ~2.i The prey "type i-o i-ke f ish. Oni y invertebr-a?e iaxa which con?!- i bu-ken 22; .;-i.cxnacii con-fend; or env i roi:meni. samp I es are i rtcI gdd$ds cil- 8pperjd i:.: i abl e 34;-6 Eiec-f=ivl-ky values for invertebraies found in s-ir~mach conten-i-s of clr i nook juvon i 1 er, at S! o?i?li I I i n Sepignblar 19232. The percent of each i nveriebrate i-ype fouild i ri "re s'~ursaeh contunSs is the percent iourtd in fhc? environmenqt i s pi, The elez'riv i'ry b/t;/u.;; (?I i.; equal 4.0 ri.-pi (s*- ti suss 19793, and is shown w t-i-h its 97% canfidence fnf~erva?, 31 ch 1 ronom id i arvae ch ironorn id pupae (-13 i id d&J 1 -ts ~-'iier adill $ Djphera Capn f i dau n*yinphs C~i~opebcra adu1i-s Ca! t ~:~bsl a aquatic i-E~q70p.p cu- a l-jyincnsiJ-ke-a Poslii.ia i. values indicate preference for, or seiecfinn of 3-he pi-t?y fype- Neyarive val uas i ndicaiwe avoidance or unavai iab i ii-y prey Type 3-0 fishe (jniy inverfebra* which c:oi:ti- i bi~fcd 22% -1.o sj-cx~ach cojiten-4- or enjJironmenl- sanlp! es are i ncl k_!d~xL '3$p, 1336 1 $.JQ ~3~diljp~ pj$!i~il~j~ f\[j2 J:) $.!~~J$!J!LI> ij:2~i~ #J*"- bisJ< p3.{.dlC_j -Jd,Efe") q x , Aiijo 9ii~i!. 9t;d- ~4" ~3cjA4~ /\$id zjiib jrj /~~-!i~~~e/ip~~iiii .JO G~~JY;>!CAE i)m,p3jpid! str?npn ai.!.~.e6a~j *gdk,~ b~3~cj aq4. 10 iir;i:di.z;?!as ..ic Qcq a:,ija.;cja.id 3.p3jp131 Cali;i~)\ -1 lj~,j pi- _I*-bV_M-.-*- --*----.. S4" ,-4---*m-..---ma- ---- "-"&- ---- ^* -*" *<-- -%va"IXX-IIY*--""~ *I-il^l--h(" ---* &-&-* rXT9X -", _ - X_-ll". -* +* --*tl^---_m-m%-rtw-m-a-- ZO" 0 00" 0 Pt;" 8 08" 0 00" 0 t0"O ooeo 06" Q 00' Q EQ" 6 0i"O 6Z" 0 ZZ" &! 62" 0 * -,6 h[~pc-ndi:i 1 e 3-C-8 E/ec+iv [i.y lies for inveri-ebrat~as found i r i-,ii?mach con?-en-ts of chinook jilvcn i ies at Slough 21 in Sep'imber 1982, - the percent cf each i l?verf-ebrafe fy pe foi::~d i i: -1he si-math con?@r??s i !i :i3 "he perf;@i-IT found in +-he entjjrcnmeni is pi. The e[ec?.i+iify Ue 15 eqiis! to ;'i-~i (Strauss fCJ?S), and is shown wi.th CJ d d JJ~ cnnf i dence i ntervai , -3~ -*-@*-- --*."--.-Paw-* .!--m--**"-"swvm+- ,+-- p--wmp+rw-ae-- ~ pPm----..--- ch irenaf; jd 1 ~f-~~~~~ 0,4l 0,Oo o.4126.03 8,56 0.19 0.38kQa15 L/) ~Y.OIICA~~~~ 0,OO 0,oO OIOo~O.OO 0.05 Q.07 -Oe113&Q910 ch l r-.oncm f d 34~ PS Q,16 0,50 -0,14~6,10 0,29 Qe37 M0e1620619 %LC ,- 5- I- jar-~, (2,03 0,00 O.O.i2Q,01 0,00 0,00 0,0020.0(! oa?h@r zdl:! -t 13 i pte~.a 0.04 0,2: -0. '/ 620,09 iJ .05 0 i: .B 1-% .07 -\ Laphi i dae nymph O,BQ 3,80 6,8OS5j,00 0*05 O,Q6 O,Q5-f-O,02 smol l i-'lecop-i.-.i.a il. 0.25 0.60 0.25+0.03 i;,LiO O.CO C).0(3fi.Q0 *** iricriop-iera larvas 0,(;0 0.10 -0.102Q49.C]7 0.00 0.64 -Q.042013.07 Hydracar 1 na 0,00 0.U3 -oSG3;50.C3 O.00 O,15-U.lS~Oi013 salmon eggs 0.00 0,06 O.O!;~QkCcj 0.02 0.00 0,0220.01 other aquatic 1 8.86 Q .C~Ol~~ .a0 9 A0 0 ,a4 -0 ,O4&0,07 Wenrop-k e:i- a 0 ;O:! 0 ,(14 -0.022Q 0 @O: 0.07 -0.06fl. 1 Ci tiymeriojifeer- a i).1)3 -0.232~1t(j..I0 0,01 O,CO O.O1~~lGCi! iz er -..ref- r-e2sbf t- j a 1 0,uI -0.u;;i-iJa03 i_i,OI 3,04 m0,3%~~,07 Pijji-ri ve i. vzi cjes j nd [ ca ie pref ir;i*enci.: for, or s lcc*t i or1 of ?he prQe.j -by po, ;\iega 'r ive ~ai ues i nd i cai-e avoi dancr? or iina~a i i ab i i i -i-y of ?!is: pr-ey type 4-Q -!=he fish, Only inuer-i-ebratf: taxa which q ,y gcja''r ~ji,j-i .,d L,,*p -fe s.i-cnila~ii cl~~11*/-t3r1-l 01- env l iLi)itirlei-~*f ~aru i3 1 es ir;. r-e t7~{ i;~dea, Append ix Tab\ e 3-e C-9 E! 6c-f iv iiy va 1 ues fur nvertebrai2s Sound i n s$olniici.i c;cjTil-enis of Chi nook jtjjten es at 4th of ju /y Creek in August 1982, 'lhe psrceni of eacil invi.rTebrai~ hype fob~d i n 5mu;nach cviiei-eri t-s i 3 r la -the percent found in ths eni~ironioeni is pi. - Ihe v c?ietcmfivi-i*y value (i) is equal r.i-pi (Sfrauss 19791, is s&\okj n a.~ Fli.h i f-5 95% ~onf 1 dsnce j :jdf%j--qa 1 ,, ----.--='m 1 VI*i_^-.A-r- _ ch i ronom i d I arvas 0,46 0,7'7 ch i ronc;;n i d pupae LO7 0,63 ck f r-oncxe~ ! d adu ! 3-s On64 OUf4 I:rnia/ :i i dae i;tliii ts I"' Q,0'7 0,0% 3 i fpsj / % &!? 1 ~r!,! 2e O,i l G,I 'I dag* . r- D - o o,un 01-hw- adu! !- il i piera 0 .(jZ 0,08 nlsc L ip"ier ij pupae 0,00 0,02 B~~-~ % r tiac -- .- nymphs 9,Ol 0,08 Ephmer-ei i icias nitrnph 0,02 0,00 Hep-ragen i idae nyniph 6.07 0 -03 Ha~icriour i ciae nymph 0,OQ 8,02 Pi ecop-per3 aiiu 1 -j-5 9,OQ 6,OG smai I Pi ecop.i-i?ra 1 O,GC Cot cxnbc>/ a 0,62 g,fJ% iiy dracaf- 1 1*3,0% O,f6 [-{ ~;~II(J p.t e i- 22 0 C~,O"s Hynierlopfei-a 6-05 C,O6 n-fh pr $~r i-cs-fr* i 6,05 OBC3 iigpcitd ix i'ab! e 3- C-10 F 1 ec-i i v ii-y vai ces for i niieci-ebrn-l-e'; found i n sdtomacn con-Tei;i-s of ccho juveri i i es st 4"r coi- July Creek in SepiwGer 133%. i'he percen-k of each inver-tebraie type f oilnd i n i-he r:i~qach con-i-eni i -5 r i, -the paf-ct2nt fauna n en\/ roi~men-f r; pi. The c?ie~$ivi-1-y vai ue (i.1 is @quai -$-c ri-pl (Siarauss */979), and 1s shczcjn vi i tR 1-ls 95% carif 1 dence 'j fi-f-erva 1 , -- Append i jb i e 3-C-11 E / ect i v i ty vai ues for i nveriebraies found i n ~;"t~:iiach '.~?"ceiit~ of ~h l nook J uven i i es a$ l nd iaii R iver i 9 Au9us-l 1382, -"I I !?t: p@rce!:-i 31 each inverdcebr-ate i.ype found in the sfmaci; conyenfs is clt %rsnt>~r [Q L ervae Q-47 0,42 ch i roiioii I d pupae Q,07 8,84 ch f ronm~ E 2 adrj 1 j-s 0,OO 0x5 Emp i d dae 53~ 1 +e 66 Q,OI 9'6@$4 Sigjug H [arveg 0.02 6,88 "Ferres?, Q arvae C J"j2 G ,0(1 ofha-- adult niptera 0,60 0,86 E3e-i. i dae ny itipils 0,83 0,OO i443ptrfic.n ! i dae nymplis Q ,I 4 9 ,QB , ""3" 5 i pi. i ondir- i dae nymphs O .r7t 0.08 Capri i i dae nymphs 3,00 0,OO Ch I ?roper-/ i ctae i~ymph 0, l O 0,00 j dae ;t~jr~p~~; 8,09 0,88 Per i 0t-j i dae nymphs QeQl QsOO -,;r!ai 1 Pib5ccpl8er-a ne 2,OO Q,oo "Tr i C~IL'~-~EI.~ ar.vae 0,80 0,08 c%nboi a Qd03 0,00 14"gb~ja- acaf- 1 rjz 0,6T 3+d04 ~,"i"i"~t$~" ael\~ja +j f-; Y O,O4 Ob5.,60 hf~in<jj'j*f93g a ~cw K@g P/ J r~l~~"j~iJ"~a" t?t- ""8 BeOO 0+84 Appenc~ ix Tab! e 3-C-12 C ieciiv ity val ues for invertebrates found if? s?.ornaci? conTcni-5 of Chi nook juven i l es at Indian River i r; 5epSc;nber 198%. -P I he perc3n.i- of each iaverfgbra're iype found i n "rhe stmach con.Pen-is i s Y. I, &>-& ilie pe1=cen4~ found iii file environment is pi, Ti75 eiec-i-ivi-fy value !L) is @quai "ro ri-pi (SArrauss 1979), and is showri ~/ii-h it5 9~;q djp * 7f i dance nPerva i , gj/ c1-t i ronoa"~ I d j arvae Oec71 0,20 0.07 6,79 0.36 8.68&8.09 chirunomid pupae 0,4 2 Q,24 =41 7 6.00 0,89 -.Oa8920,113 c:h & rcnc~m l d adu 1-t-s Cl,sl 0,31 7 0,04 0,40 =0,36kO,Q6 Signul I idae larvae - m Q ,04 6,03 *-0,0223,83 0,00 O ,$Q Oe00j:0,08 i 1 pu i i cia3 i ;3r-vaf: 0.00 0.00 Q.OQ-~~~O!-~ 0,02 6.00 0.0220.03 Capo i idne nyfnphs O .Of 0.02 -0 .T) I&Q *C)2 0 .UO 0.02 -0.0220.02 Nafic~ur idae nymphs 0.00 0,05 -0.0520.03 O,OI 0.00 QeOl&Oe0.02 Per-! odI dae i~yrriphs O*07 0,01 0.Ci5kQiP.03 0.00 0.00 O,00&0.00 *ra@nec~pierygi dae nu 9,OO 0.00 0.00:kOe0.00 0.01 0,05 -O%O~ikQ.03 srni2i1 PIecopIera n.. 0.;Oj 0.00 0.0320.32 0.00 0.09 0.r30y50:0.00 -- Ir ic:hoptera I arvae Cj.Qrj 0,06 -0.0620,QiJ (j,C)O 0,16 -0.169.04 i!y dr-acarv i na 0 ,OO C) ,($I -0 .eiIJPB.02 0 .(I13 0,08 -0 -0820 *03 s8i roori eggs O,Q0 0.90 0.00~0.00 Oe06 0,OO 0.06&0.05 i-if;;jnspf pi- 0,QO 0,02 -0,02&0,02 0,02 O,OQ 8,Q2&OeQ3 i-iyine iiopf er 3 0 ,OO 0,61 --O.OI~&O .C2 0 ,O"h *02 -68 .O%20.05 a-fh er $-er i-~sj-~ a 1 O,OQ 0,0&5 OaOO~QsOO LOO B,Q2 ~O.02p.02 ?/~t;si?i*ie i vai ues i nd isa.te preference for, or sei zcl-ion of ?he pi;~ jype, ijeghtive valires 'ndic3i-e avoidance oq unavaiiahiii-i-y af A" i~c, p;-ey -type io ".he f is:i-. Orif:; inverir-l-~rafe laaxa which curiir- i bii-bed 225 1-o s-i*ai:ach con+-en-i- or- env ronmenf sarctp I es are i nc8 ud@& * s Appandix iabie 3-C-13 . Eiectivity values far inveriebraies found in .;i-~:nach conteri-?5 of coho juven i 1 es a-i- Si~uyh 88 i n Augusf ICJEl2, Ti-& percsi~P of each iimit/crtebre+e type irjlind 1 n the stcrnach ccjntents is r i, 'rhe ptirgerpit found in the environnien-i is p;, Tl-15 elec'ivi-fy vai ire !i) 15 eqtiaj "0 ri-pi (Sfrauss 197Y), and is shown g{$h i;s 45% i dence i nj-erva 1 , 31 cj~ i l-~fi~q i d 1 arvae 0 0,15 I Ge17 0,74 ~~6.57p&0,40 ch i ronvn i d pupae 0,OO 0.1 1 6-0.1~~ID06 Qe23 0,92 OeH%do09 CIB I r-~$"iwn 1 ad^ [ 0,04 0 -23 --O,I 9:kG .Q9 0.64 0,00 6 *04j::O *03 Emp ! d i dae % awae ..- 0,00 0,00 0 000kt3 ,d60 0 GQ8 @ A2 0,06k0.65 ky~p f daa add ,$*s 0,00 0,6T .-ObQ5;L0.O4 0.01 0,00 OQiSl2O.02 Psycilati i daa I arvae 0 ,C10 11,112 -CIe'32:kO .O2 0,10 0,00 0.1 OkO @O5 S%rriui B idae Easveo O*OO 0 m0,04~5,Q2 0,03 Q,BB g,03&0,QS ifi i sc: adii i t D i p.teril 0,00 0,05 -0,05:$ *O4 0,0 1 0 ,OO 0 -0 120 @O I Epheriiorei I i dste nyriiph O A4 0 0 .o4&0.05 0-00 0.00 0.00fl.00 '. i phi onur t d;ie nymph 0,00 0,132 -0.023$,02 0,00 0,00 0.0020.00 Capri i idae nymph 0,OO 0 ,OO OYOOj:OeOO Oa08 Oe03 --0.932~OuQ3 '7- " 62 i ubrieopSf ei-yg i dae n. O .r)O 9,00 0 .DO20 :C1,GO 0,00 0.02 -0 .0220:0.03 sms! ! Ptemp-i-r?ra n. 0,02 0,00 0,02;~0,04 0.02 0,00 O.O22Ot0.01! Co[sopf~r.a adui f-5 0,06 0,02 O9>04kQ3e>7 0604 0,01 G.flUO,Q2 Ccd i mtjof a 6,4 1 0,08 O .23j:Q, 14 8 *05 0 *60 O .O5:kQ ,03 /-{ySr xar iia 0,8% 0,05 -Q,Q3&0.05 8,05 0,06 8.03~p0,Q% 0 1 I y~rh ~y-f-;?~ 0 0 ,OCl ikT.Q05<1,80 Q3 .QCi 0,$3 -0 .0320,03 o'Ph~ aquaski c (+I.Q6"1 O,OQ Q.Q"S0AOaQO 0.0.3 0,00 0.0320.62 b-%oinap-l era 8,86 8,05 -0.65-4-8.04 $,07 0,60 O.O"P:ti3.84 Ijymenop-i-81.3 2 0 Oe02j:0,04 0.8 1 0,O 1 -SO .OQkmO <,,02 1 qj 1 " J i - a 3 1 " 2 0 * 0 0 0 , 0 U j . 1 01 e 0 0 0 0 0 2 O .I1 0 0 . 0 2:c0 i 0 2 b i nd i c;iii. prefer e:icae f or , or se i eci* i 0i.i of .ti? ti? prey *iy pi:, /'ie(jai ire i.31 uos i i-idicale avc~i dance or uiiav~ i 1 ilb i i i-fy of :ha pi-ey J.).i)e 3.0 wLk ' r i ski Oii 1 y i ;!ve;-febr-ab ta:cil w h i ch cort-jg- it~t~-ieJ -2-75 -1 9 ~~~~~~~~~i~j~ ~-tlr~j ~~i*l* or ijnv i rorrrrlaili. sniclpi e% ar e ; g~{; f tj@d * Appt::d i i: Tab 1 34- " '14 . Eieciivliy vai ues for invertebrates found in sfoinach canterii-s c~f coho jtiven i es at S/ ough 8A i n Sepi~iber 1982. The percent of (~.asi? i ilver-tebrate =type f nund i n =(he simach cisnhenis i s ria 4.hg2 t)erbcen? found in the environmeosi- is pi. The eleeiivity ja/Li@ (L) ir; @quai ri~pi (S$rauss 197cj), and is shown wif-19 idis '95% ccoiif i derlce i ni.erva/ . "-se-m--vs-P-.m*-- ----d-r--=--s--v------ r- p ! D La $? P 0 b Sa~pl a 5 izs (24) &%$4> (1471 122) PIj>p"d dix i'abi e 3- C-15 Eiectiv ify vai ues for inverfcbra'i-e; found i n 5-komach con?en-i-5 of coho j uven i / E.S a? $1 ough 1 1 n Sepiem~ber 1982. The pei-cen-f of each inverie~raii: Type f oi~nd in ctcmiach coni-en'rs is r- t, 1, tli@ percsni- found in $he 9nvir-onmen-'. is pi, The eiecJiiviPy ~i3iue (Lj is eyuai iu ri-pi (S$rauss 191~)~ and is shown wi'rh i-l-5 95% coi:f i dente i nj-erva 1 a 31 eh i rowa~z l d f arvas 5 0,07 Oe3820.14 8.42 I 0.26~0.10 ck I ranom i d pupae 0,06 OsOQ 8.8&i:0,07 O&1 1 8,02 6.O9"1,06 cla s' T"O~~CX[H l d adu 1 +s 0.4 0.00 SP;47&OU14 2 Qe75 =0g33&Q6L%Q A, i * p ? ar-4. 0 .UO 0.00 U.OO&O;O.OO 0,02 0.00 Ci,T)2&0.0-3 caJrher adu i -i. i! i pi-erri 0,130 0.00 0 .OTjkO .OO 0.03 O ,G2 Ci .O 43 003 Capri i i dae nymphs 0,00 Ue90 -0,9020.83 0,03 8,OQ $,8Zk0,02 Coi sopiera adults 0,82 0,60 6,02&3e04 Ov88 6,06 OeoOkOe08 Gal le~j&so[ 3 Q,08 0,OO O.OO~9.00 Os00 0.132 -*O.O2j:OWO4 tiyriienopsi era 0,aO CjJO bOO~O,OG 0,OO Q,62 6-0,02:~C~e01 ,j i305i-i-ivl L V~JIUFS indicate pi-cfereiw~ce for, or seiection of ?he piney i.y pe. Mega$ ive val ur.5 i ndi c3l.e avo1 dance or- ui~ava i ab i i ty of =rile prey type To The fisii, Oniy invsi-tebra-tti "rax which ~v;-~*i i* i itui ed ?_2$ lo s.twnacii coni'cn-l- or env i 1-oiimenmi sam p l es a re i ncl uded, Appendix Tsbi e 3-C -16 Eiec"riv ity vai ue; for i nver"rebrai.e!s idi~nd i ii 5-1 on~acn c,ooi;enPs of coho juven i 1 es a-t 4"ih of ,l u l y Creek i n Plugus? 1902, 'I!le perce.lnr of each invei-febra-fe type found in The shmach c:nntenTs is -- rij+ "rha percen-t fotlnd irl $he environmenl. is pi, ihe eiectivi*y EL L ic: equal i-o ;{.-pi [Sirauss 197$], and is shown wiloh if5 95% conf darjce i nt.ervs 1 . ri P Y L ri P h L Simp! e size (84) (479) (f471 (2131 chiran~riid jarvae 0~52 8,47 0~352~~12 0~53 0,03 ~r.50&0,08 ck i ronan id pupae 0,? 8 OoBS 0.08&0,0"i"0,32 Q,19 =CI.07*&0.07 c:h i raricm i d adu 1 ts 6,01 0-14 a*0.432$,06 0,07 0,28 -0.2i20.07 EmpTdHdae aduifs 0.05 Q,QS 0.O4~QeO5 0602 0,80 C).O2&0.0% Sin~am! Y ldas l ate*vee O,Y4 0,Il 8,0020,08 OsO% LO% -0,8OW~0,83 $pi-- lapr~ 4a~, Di pi, larva OGOO 0,00 O.002Oe00 0,03 0.02 0,9i:fla04 Q$P ;I~#P ra adu I hi r! i fyh3~^3 0,04 0 .OE -0.04:tO .OF, 0,Oi 0,07 -0.069.04 oi-her- D i pf ere pupae 0.00 0,02 -0.02A0.02 0,04 C ,CC f2 .C72-OL,.O4 Waet i dati ny mpii 5 0,02 0.68 -8,06k0,05 0,60 0&04 -8,0120,OI i.!ep.i*agsili idae nyr~pir 0,01 0.03 -0.02k0.03 0.01 3,01 0.00:k0.02 Nanaiir i dae nynjpkts 0,81 0~2 -.i%.81~44.03 0~81 0.00 0.0~1,~8.43"3 Pl sco/~?cra adu l ts OilOi 0,OO Q.0420.02 0.60 Qe05 -i-QUQT~0.83 Tr i~ii~pPer.a i cjj-\iae 0 -0 ,i)2:t(] *02 0 1 ij .04 -(JaB4-2:0 .03 COB le-,~fiho9a O,Ql LO3 .-43,0220,@4 0,0I 0,82 -8.01-fyJ.OJ 1-iy dr.zcar i 324 0,Ol 0,46 -6,15~0,06 Qu87 0,04 -[1,032Qa(I3 l-i~~ii~~p? eu.. a Q,68 -0,0IkO,02 0,Ol 0,42 m8n1020a05 ilym~3nspt era 0 ,Ql 0.04 -0O.Oil-;.Q.O% 0,01 8,136 -0 *O5j:O.OJ o-t/-l ar 4~3- resdr~- j a [ O O,Q3 s=Q .022G6.04 O ,GI0 *02 -0 ,,C12-tOVCi% i?j Po:J i ive 1. vai ues iridicai-e preference For, or- selection of fhe prey Type, Nega'i- ive vat ues i iid i care avoi dacics or ijniive~ i I ab i I i i-y 0.F .the prey i-y pe j-0 $-he -f i 511 .. i)n[ y i nvcrj-ehr- a-i-5 taxa wh ich s " i?Ji;yi- ibii-ied :$ -i., i.,t~fr;ach .:oiij-@rll- 01- cnv ir.*on!iieni- sainpl $5 are i f:c 5 riaed. Yr Appendix Table 3-C-l/ E/ec.i.iqij-y \is/i;es fa:- inver.iebraiies found in s-ton;ach cani.2ni.s of coho *ji!ven i es a? 4.i.k of J u l y Creek I n Sepl-~nber 191)2, The pereenf ~f each i nverl.ekra.fe Ty p~ foijiqd i n si-~nach c@n*i'srn t- i r 1, ";he persen? f~unc! in ?he eiivirannieo? is pi. The eiecf ivi!-y value (1) Is equal $0 ri-pi (Sdrrauss 19791, aild is skjc&;n wj-+=h i$s 95% g=ar;fidene@ in*qvzi, ch $I-OT~GXT~ id f arjjae 0.f9 0.00 @.r9~0,~5 0.47 0,40 0,3820.25 ch i ronaa id pupae 0-07 U,05 3,022:0,05 6,CO 0-00 0,0020,88 ekit-~ncffild aduifs 8,05 O,P3 -0.08at0.r9)'9 0,OQ 6,Q4 ;--0.04&0.$5 Simul [ Bdae larvae 0,03 O,Q4 - 0,"E 08,03 ~uQ~~m~R~6 o"riisr aciuli- Dip-i-ora OWO4 0,10 -0.0620.06 O,QO 0.06 -0,06&0*05 BaeTi dae nyrnphs 8,OO OoOO O.OO~Q.00 0,SO 0.G3 =0.03~0.04 Hep-Pageniicrae nyinph 0.04 0.05 0.0520.06 0.12 0.00 8.12j:0.15 sma 1 i Epi-ieoerop'rera 0,142 0,00 Cr.lO:-!O .O4 (1 .QO 0,00 0.0020.00 4- r,#apn i i dan nyrnp!?~ 8,68 0 ,OQ 0 ,sOOLO .00 0 oOO 0,04 ~8,64~6.05 Chi oraper i i dae nymph 0.03 0,00 0.0320.02 0.06 0.03 O .OQ&O ii:. 1 1 Pjexqour i dae nyinpil 0,06 0,05 O,OI&O.O% O,OQ 0.04 0,0220.12 snmi ! i"l~cop"tera ri. O,I% Q.UQ 0.15&0,05 0.00 0.00 0.0020,00 -" Irichop?sra i arilae 0,06 0.1 5 -0.OCij9.07 0.OG 011 1 -0,l 150.07 CuI eop.i-eiaa adu i is 0,02 0,W O.O2j:OeO2 0 0,OO O.OC~O.QIS Gal 1 airboh ;3 0.03 Q,$4 -0,01~0,04 0,06 0,04 -O,QI2,8.03 Hy dr scar i i-ia 0,05 0-17 <*0,1@:0,87 G,66 Q012 -@,06-3-0.43 Os2rr-acsda 6,$6 0,06 O.OO&O.QQ 0,80 0,08 .-8,08j:Q.86 0 i i gach aef-ac $,08 0,8 1 6-0 *B 1&6 eQ2 0,00 8,07 ~-8,07LO ,BC uii!~ ;"uu"~+~L 0,02 0,02 ~0.00~~Oo03 0,06 01;83 O.rPt3~,0.12 Haj3op-i-er.a 0,03 D,Q9 %0,07&0.GQ Q,O6 6 *--Ob4 "fk(I.44 t iyirici.ru1.i t et-a G,UI 0,05 -..0.0420.04 0.00 0,01 ~~0,S9~OwC13 i.epirlopiera Iai-vasi 1L00 0.02 +-O.f121;0.02 0,00 0,00 O.00fl.00 0" tri i oe- a4i -b<+r- res$-r 3 1 6,04 O,O4 ~0,05~01;$4 QQvOO Q,04 *O,O4&0.04 n/ Po5 i *f $4 e im yd 1 ilk.:, i nd [ c~te pi- e-f t;r !:nc:e f c;~ 1 ec-1 i on 0-f pity iy pe. Nciga-l. ive vai aei i iid i cafe avcji dancc: or- untlvi: i i ab i i ii-y f 3 y y, =jJ - fa/ oiiiy ~~~~~tt~~-;)j-i: -j-z~;~ wi-~i~h c*gimytf- b\~-/-6$~j ;<;:$ a(-(] $j~{J~l~~j~j~ ::-c"lfl-[~!-]~r a$- en4: i r~r)~i~cj-b"{- :;allipi <jc3 c1l-Q k r"ed., f w rS3c1 . Appsridix Table 3-C-18 Eiec'rivlSy values for inver-febra?'e:; Fcund in .;t.i~mach eonSrsn"r sf coho juvefi il es a'r ind iarl River in August 1982, -,a a i he p~rcen'i of oacii inver-tebrai-e fype found in She 5-tansch contenTs i $2 [-' "' -= , , rne :)erceni found in ?he snv ironmen-i* is pi, i he e! ect iv i'ry iiaili@ (L) is eqidzi ri-pi ([ji-rauss !979), and is shown wii.i-i its 955 ior~fidence in'-erval. gjj ch i soilnegn l d i at-vza 0,63 0,%42 0,2l:k0,26 L38 I 8,2020,10 ch i ronan i d pupae 0,87 0,04 OFI'F:";$0,S7 7 OW17 t5.1i0&06,09 ch i f-ai~a~~ id adu J Ps O,QO 0.19 -0.UTl.8.14 OeOS OB36 -8,27~Q.11 Erijl. d i dz~ ijdu I t~ i% e LOO 0,04 -O.04&0,07 O,OO 0.88 0.00~0.00 i ~tj ! ! i dae 1 8rvae 0,QO @,08 --0.08:~3.40 8,01 6,80 0.03:~OeOf -r- - - i.aii~.s.l. DipL I* 7 0.00 0.07:kQt0..09 0,07 0,00 0.07&,0.01 pa i nymphs 0,07 Q ,OB -O,0120.08 0,00 0.02 -0 .02,2Cfi.03 "i i ph I onisr i dae nymphs 0.00 0,08 -0.082-0 a 10 0.00 0 ,DO 0 .OO::O:O.OO Cspn i ids2 nymphs Oe08 0 ,QQ O.60_20 *CZO O pOo 0 -0,0820 6106 Cri i er'r.3psr'l i 6~3% ny~~~ph 0, "i O 8,idC3 O IO-i.0 ,. 1 1 0 ,f?O 03 1 a-.O .Q I:tO .82 iJit?rviiir i da$: ~iyrnpils U .07, 0.00 0 3 6 0 -30 0.112 -0 .O220.03 i3- I= i ~ly~~ph~ 0,60 o,oO Qe0o~Cj,GO 0 o,u2 o,009,04 "P ~richop"i-era Ear-VBE 0,OO 0,OU 0.80:i,O3QO 9,BG 8,07 -CJ.0740r06 !-jyr?~ 3~:dr i 0 ,DO 0,04 -70 *04:t:h3.87 O *QO 0 .OO 0 .GO&O .OO k;l jfftqll$ ei- zj o ,oo a ,oo o .oo~o .oo o ,Q 5 Q ,a2 o cazg3 Pe)4 kf~exxi0y-i-er-a OcOi 0004 ~8.81~0,IO 0800 0,OO 0.OO".OeOU I,~pjda.r[~-Ser-w aduIl-s 0,OQ O,QO 0-02 0.00 C,,iC)2:kO,Q2 o*t&er $cj-,j-es-br % a 1 CI,06 0 ,;04 -40 e04-t*Oe07 - OaQi 0 ,Ol Q,08&Q885 3 Positive L vbiues ifidicate? prefcrer1i.c fc~r, ar seieci.iun of the --+ pi ~y l y p6. hlega'l ive val ues i nd i cai-e avoi dance or unava i i ab i i i -1-y of the pprwt 5t =i*;/pe 43 f/:;h, [Inly inyor.?ehra"re f-kl:.a which ccsni-i- i busted 22% 4-0 srwi~ach cori$eni. or ew.4 i roiiinizni samp i 25 a re i iai I ce J<;i$, 4ppendir Table 3-C-I9 Eiecj-ivl-fy values for inverkbra,tes foarid in ~*iomdch coriteii-ts of coho jui/ijn i 1 es a? l nd ian P, iver in SepTeniber 1982, * *, 1 lie pe!-cen? ~i each iilverTebra-te -type faund j n st~~~s;nach conieni.5 is r"i 'the perceni Sound i ii *.he snvironrrren-1- i s pi, The el ecii\i i-fy a r -;. 2 (1 is eqiial wb~ q-pl (5-fraus~ 19793, and is shown wifh its '35$ calif i do,nce i n-ierva 1 . zd ~hirow~rnid iarvas ~1; i ionun id puj~~~i," %i"grk"+ffjCl;R icj >$titj[ Tc; -9- ! i p~ [ Z~A 8rvzje o.I.her adal? Qip$ara cr-kh er O 1 pi-ar-5 1)i4p23t3 Capl-I i i clae riy mpil s &eiiijou;- i dae nymph 5 - 7 ia3neap.Seryg i dai: fi, Tr i chopiera l jrvaz CoIeop-tera aduiis Ck.2 $ 1 em ba $ a !-fa. isI- n@a r- = - .- I61a 5C.j n;on t.y y s ofhg2r aqua-ti c i-iixiic~p-i er a i~)~rnc:iifv~~~ i kr- p~~p-- . iv.- vaiues jndjca?e pr-eferance for, ~r selection of ?he rP f.jg-~--~~-i~tc-? tjaf { ~ndicrf-~ ;3eci dance ci* ucldvai 1 al-; i) imby # jr2rze ,g- of i-he pr-ey i-y pe file f i st!, On i y i nvertebrc,=i.e -f-axa w h i ch P;*ljxc ." *w ; />la kccj ,-25 f-rj :; 1 u:aLi.;;Ir cijr] f"efj$ up 1 r-snmo~i- 5amp.i @5 ar-@ q ;\c 3' ;iC&f"t Append;,: Tabie 3-C-20. Elec+ivii-y values for inveri-ebratts found in iToinaci' con'renis of s~keye juveri i i es a? Slough bA i n Aligusi 1982, ?'ha percent of eaci7 invertebra're d-ype found in the stmach c.on-rent-s iz rjE '~112 jierc~li-1 found The environmen? is pi. She eleziivi'iy ~a! ue is ecjiiai "ro r (Sirsuss !9'19), and is shown w if% iis 95ig ccnf i dencc i n$-ervs 1 , & Ci~i ron~~i, tj t af-vas 8,27 O,l6 8.1 IkO;.%2 0628 Q174 =C)q4&&0C12 Ch i ronwo i d ;>upae 0,04 0.1 1 ~-0.872mQ.07 G,63 0.4 2 ~-6),1 42,Q*0& C!r i ~C~FIOI~~ i d aidu 1 8,28 ofic.:5 o.06:~0.43 0.20 0~00 CI.~O~~~,Q~ Fnyi i 3 Z dae ! ar.4 ac? -,* 0 ,OCl 0 ,GO 0.O0:~Oe0O O,Q2 Q ,02 0 .Q12-{1.04 i:m;i i ci i dae ad9 1 -i-5 Ci,m 0.+@5 -0.05~~0..;04 Oo08 0,00 8.80~0.iledO Pfia:cii~d i Jaa i ;jt-v;t~ O ,DO 0,02 -0.0220.02 0,08 0 .go 0.08LO .Of5 Siniu! fdac 1 apy~ae Q.12 0,04 0.15&0.08 0,$6 8,P0 0.16,98.06 otilar aduli. Dipter-a 0,3'3 0.O; -(i.i)5&Ot0.Q4 0,01 0. ;0 0,019,02 S i pi! i onur i da~ ngimph O ,OD 0,02 -0.02-;0.02 0,00 G .OO !I .0020 aOU p -" \>npn i i dae nymph 0 gSh3 8,00 3.6620 000 0,80 O ,C)4 -Q .83:kO *03 Chi oraper i i dae rlymph 0,00 0,00 0,003-0.00 0.02 0,00 0 .O220.03 Fer- i rid i dei~ nyinijli -6- G .dYJ (1 ,OO 0 .OOirO .OO 0,02 0 ,OO 0.0220 $03 i aeiieopiery~i b3 n, Ci,Oli 0,00 O.00?,0.00 0.00 0,02 -O,O2_ti).L'3 srnai t Plet:rjpt.ra nym, 0.01 0,00 O.0l;tOa03 0,02 O.GO i.0120:0.03 ;","aa i2a.-jpsfe~z srju\ 'j-2 4 ,DO 6,02 .--.9,025;Oe02 0.00 8 ,O"f--O ,-0kOe02 Cgd t 1~~3832 3 Q,84 0,08 -Q,Q7,~Ou06 0,8% Q,WQ 8,02~~0,63 i+uljr-a<:b:4r 1 jna C,2$ 0,05 0.2~%~~JI.l 1 OoGI 0,Oo 0.0I2~oao2 (;ape pod 0 -00 0 ,QO 0.0020 A10 O, T 3 0 ,iS6 O.13&0,07 6 ! i aqch a I 3$;43~2 0,06 0,OQ 0 a043k0 *08 8 ,Q0 0.03 -8 63-taCl .05 f--iwn s p-t e r- a 0 -01 O,Q5 -0 ,C3.-i-OU05 0.00 0,OO 0.00:~f*9000 JcYu j;!/ 1.0 4 .-.O.~~?,CXI~O~ ~3~01 O,~Q$P 0.0*/:~~lU0~? Appenoix lab[ e 3-C-21 . Electiv iiy val ues for invertebrates Found i n s-rr~mach condren'is nf sex: kcy e juiien i I es at Si ougli 5R i ii September '1 982 The per.csn4- of each inveriebrate Yype found in the s-i-omach coni-enis is r- i 'iic-? p~r~el?*i- found iij rile eavl;.onmeni. is pi. 'ih~ el ec*"iiv it\/ vai ue (L.1 i:; equal i-ci ri-pi ($.i.ra;jss 79393, al;4 is shown wij-1; iis 95% ionf idencc inrerval, a' ~dm.~a----~a-"~~#-~~~-~".~~#~ m-. #..w&-wz~~~--&~ ~=w~-~~~&----~~~~vP*---w-~*-- ------ ChYronw~id larvae 0,643 0.02 &ig62~CIwe;l8 0,%2 0400 8.62&0.4 1 Chi rsnmn l d adu l -f Qe44 0.49 Q,00~d~68 0,67 6.46 =0838_"i0,22 Psychad i das 1 arvae (?.of O,Q6 -0.0520.05 0,00 U..O5 -0,05&6.09 nCiic?r ad~i.l~Diptc3ra 0000 O,!B -0.1O;tB.Ci4 0,12 0.09 Q.133k0:0.14 f- ~~~pii -+ - i i dae nymph 0 -60 0 ,C)f"g 0 ,oo;~~,Og 9"6,03 0,OO Q"I.03204,04 Cil i oroper 1 i dae nyrlp'~ 0,00 0,01 -0 .Ci320 :0.Ci2 0,00 0 ,DO 0.4)020 .r30 *rr ; chnpf er-a 1 acva~ O,OO 8,42 -8.52~~0.04 olsa 0,44 -.0,445,Oa14 Cal Imbsi a 8,63 Q,63 -0,0f;k:OW04 8,87 0,44 -Od06I8,I6 ijydracar riz 0,04 0,83 O,@2&~IaQ4 0180 0 $~002:Qe00 Cope pod3 OoQ2 OeQO Qe62201Q2 GeGO Oeo5 ~Os1,152OeO9 ~~r'!w- aquaf ic OdQ0 3,06 -0,0BiOv03 Q,W O,OT -8+05j:OeO"&3 kia~~cp-iser a 0,01 G,O3 &8,82&0,63 Oe00 8,85 -6*0%w~0,09 klymt$rzop-Pera 0 ,o% G,2Q -.9.46&Oe86 0,636 Q,Q8 0.66020m06 Pas if i v~ L ~ia ues i jld i preference for, or se / ec* i of prey Negbrive vaiues indicate avoidance or iriiavaiiabil-iy of -tha prey type "io the f lsh, Qni y i river-tebraie iasd nil ich coiiir i buted 22% f sfcinach conimeill- ar eni. i riiri;nen*f sa8p It2 arc;. i nr:: ! uded, i;ppenci& Tab! 3-C-2% E1ec-f-i~ tiy s43i ties for inverjrebra.j=i-.s found in stgmacf; c~nfei!fs of ~~iiciieye juven j 1 es at Slc!~~~ii I I i n Au~~us't- 1982, -" i iic2 per-cent oi. each i i>veri-ei;ra-l.e =type found n the 54ma~h i;onfenis i 5 -I f ip ?he percen9 found in -the envfrorrmeni i 5 pi, ine ecmbiv ity ~3 1 eae (L) erqual to ri-pj ($Traut:s 19'791, arid it; shown \+jiakh iis 9i-j",con-fidence in*erva[. B/ c$:fr0n~$z1id larvas 0,25 0,,65 -0.392Ja16 0.08 0.18 -0.10:~0.05 ch i roncan i a pupae 0,02 @,*I8 -a.i6Lk0a13 8,Ol 0,18 -o.17kO_o.05 cfr I rarmcxrr % a ad~i $ -fgi (j 3 -o.03k090E, o,O; 0 .co -~0.58~Q~06 1" rmp i d i dae adu i ?s 0 .no 0 Jl9 -43 .BgjL:+C~ l 0 0,00 B,03 -.O.01&0 l!.O% cai-i7er U i p-t~ra pgrpae C) Q,03; -0.032:o e05 0 .On 0.00 O .Q0&(1.00 C I ado~:,;sr a 0,OO o,O9 o,o@~O,OO &,88 0680 0,8&:tOw02 *% .ape po8 a Q,'72 G.30 0,7220.04 O.01 0,110 O,O::iOPT),OI " " , I L,i~"rf++- zt o .00 0,03 -0.oa~a.06 o,oo 0,00 -0 .C~O~O.BI -.---*A-----" F-~* -.-a --- m-Mm7'--m-- .. w--"%~-~ ~-x.~-*m~,-~--w- -- ----a- / Pos!tive i,. values indicafe preference for, or seiection of the -" prey -Py pee i.jeya+ ive vai ires i nd i cage avoi dance or iinava i l ab i l ity a f .t :. ,,, /=. prey fype -i-o S;ie f is/r, Oril y i ovsr'r~brai-e taxa rr h ich ~:urrt-r i bui.ed 32% -10 ~?.aii;j~i*: :ciiJ.en: c;r siiv i ranfinon* sarnpl es ar-e I ficl LldecL - Appendix ! abi e 3-c-23 . E/ec.ti+q i-ty vai ues fcr i iiver~ebl-atc.s found [ n s'ornaih -;on?.znSs of sockeye juven es ~'r Sl nugh 11 i n SepTwnber 1382. 'The parcen? oi 9acl: invertebrai-e type found in the s:=n;ach c:on?ents Is *," rii "bhe perceni found in the environment is pi, rhe slectivi?*f i/a!?:c (L) is equrii 4-0 ri-pi (S-iv-auss 1973), an& is shown wi-i-h i-fs p* - ~5% coni i dence i nPerva I . ZJ/ C~.Q I rarec3r; i Q I arvae O .68 0.07 0.6 1".QDg4 0,W O,"i 4JQ1 d$ek0s04 ch i roncvn id pupae 0,07 0.00 0,0720 *02 6.08 0,02 0 .C)5:LO .05 chlr~nariid adulPs 0,17 0~~00 0.17&~).05 0,76 0,75 i3e01~e~9 0-i-ii~r- adult Dipi.era 0,00 0,00 0.03k0.00 0,00 0,02 -0,02;4].O1 BP- ,, ~apni Mae nymph 0,90 0,90 -0 .89-?p.0s03 - Oa88 0.00 Oe6$~0,08 $- bQg e j@~bols 0,00 0,00 O.BOs.OO 0,00 0.02 -U.02kO:0,1 Capopoda 0.07 0,90 ~),~;7:~~~02 0.14 0,00 0.142~~07 0 1 i gech ae$z2e U.00 0,00 -O,OC;&O.Ol 0,Oo 0,90 -0.07&0.02 W yinsr4ropPsra 0.00 0,00 O,OO&O.OC 0,90 0,02 -OaD2&0,01 ?osicl.ive L, viii ues i nd icatc? pr-eferei>ce -for, or sef ec"rion of the preji P "rye, Negd?-ii/e ~31 ue; i ndicaAre ai/ci dance or unavai 1 ab i 1 ii-y oi ?tie prey .f\/pe is *ti12 f is!). Oi~l y i itvertebrate i-axa ii.h ich coiii-r i buied -5'2% -lo sl.l)ir!acl: con-ren? or ertv l i-onmcn-t amp l es are i ncl ~sded, s a -t c2 Siough Siough Slougn Slough 4Thof Indian 8 A 1.1 28 2 9 July Crk River Sa;nlp!e size (6293 (1055) (g09) (5773 (5x1 (6401 Q 1 u-ter 3 ph; v- ,*$ r 6 D abla!Tj id38 F!rnp i ti i dae P:,y chod i :he $ I~rru f f i daa 'Tlpui idire f: p fi ~gcrop~i-$:ra f233-7 f P r i r 4 b_i 63 *-* : p f) zltj<>i- {: 1 1 [ $j 2 ;; N~psta~~rt *.. i t das Siphlonurldae Pi ecoptera Cap!{ i idae CX? I orofjar- 1 Id263 F\6&-nai~{- i dae Per\ adidae Taeoeop-iei-y cj i dae rr- i chop=tera U~*achycen'rr i ciae lib sssosomaP% dae ply c!rcbs\jch i I. It.0 r7cp1.t i i I rJae Rhy achoph i i dae 1 il gi~de2g-a Col lembol a f.'.:pe pod s 3.j~ dr- 3f-a~ i :~a i:! 1 1 qoc!ldi:;"zae f] .;yr scotja "r+r"s""pt;e;j~y* 1 5 cCb 1 p$pt" era x X A kJ x 0 O rj ; +t ~,$- i $-* rj e46 ,+ 1 2!-!l?lf3 '.B 0 :A: (;I ax X '?, 0 'ii \ '. ;nj.;c [jip-fera a-ju/P; >: I", A .,"Z a Y 6 'I/ if A x 1.4 '1) /-iwici p-fei;:i -. th., X #L dl, fb iiyiri:,iilip i-. \:: /", iP A ii X X A *%,+ X 18 iv~I'C'C;~4~lao~<~~~ii ,,, farjiae X 0 ~7. \,a x X / *.,l 5. ik"Kq;){ &"y--fpyj ~3hkj ~,- +> 1 -kc: ,# 6 Q 0 O fi *+d 0 * h---~ ---~#--J~~-~~~~---.=~*---*%-%~~~--~-----~~-~-~---~ -.m-r--------------------- Sire Slough Siough Siough SIouyh 4Shaf Indian 8A 4 1 20 21 Jiiiy Crk River Szzople size (898) 173%) (9661 (3065) (26521 (3978) 3 1 p-fi.-.- Gf a Ch % rooam i dae Frnni/l?iBae P:iyckud i dae S &r~i,.au 1 j i da@ +a r ipul idae F F- g-, ..ipfl fp p *;jSit-2$& ,* ~ptera Ractl dae 9- ilpheni~:*ei / dae 1 i@p-/.agen f ciae Slphionuridae ecopfera Cijp~i idae Chi oropsri i das Nt31scl%jr- O cia62 FJ~:rl 0cI I dae 1 iieni.r:ptery;j i dae Tp- * i I i chsp?er-a Br af:hycenir i aa 6 1 asss:;a,pyjaf iae l-iydt-c3/:!2yk:/l i 4iae imf~eph 8 tjzle fShyzchh";lpR l I i dae- (-2 adrjcer a Gal $mtj~te c;Ll pe pX*i ac:?Ji- 'j ria 0 [ i ~j~c~~~ji:$ar Qs-5- !- &<:ad ;; <a 1 hk upper reaches of Indian River (Indian TRM 2.7 to 12.0 2nd portage Creek (Portaye TRM 4.5 to 15,5) were sampled on a month'iy basis from Jliric through S~pternber, con-tiriui rig the studies begun in 1981. lhree se*/ec~ed Fish tlabitat sites were sampled on each trihubary per - {"origf Creel< nss dropped from ti.1~ survey fol lowing the July ti7i p for logjst.fc5l rebsoris. 'The only type of gear utilized this season was lnjnnow =!:raps, 0.]? or (1125 inch mesh, baited with salmon roe, and set for three hours, With the excepLion of the June survey (5 traps), each !i:3ar ~onsJs;:caci ilf teri fry traps. Habitat data and notes on sub*- s-trt3te and cover were taker-: at each site in accordance with the Procedures k~janual (ADF&G, 1981d A ;j~cjje salmofi fry co'ilected, a chinoiik .juveuiile at Indian River I;Q.!~co~~~~~~ yite 1 .in August, One Do'iiy Varden was cap-tured in llrily C 0 : 3 Six Dolly \isytlen .# Qw" L.pjo iri August dt Irjtiidui R'i tier He 12 ~OPtei* Sl I- 8 F" ~2i:cq r;~ i-'ortaye Creek. iie! ic~p{:er 5ii.e $2 arid two at $2 Le #3 *!ri J~ly c:~r!ij~l*i s~d i:l1~ i.iiV! 5035r3fi ~a%~j~ f~.agl tilet ti-~i.ce is(~r*tai~e Cr~ei: ,i cop tei - a Tfiere \*~i~f~e t~r~~~Llq~~ $,l';h cdkjci:~rk!d ti) ~~iill~a~~i: lil~~Lkily catiii~:; ~!{y;(~ trj i3tj if -i 2:; + DRAFT TldKEEB/3aa3d siAiriiori iyas in i",tjg~si For tinth cI-~-inook (154 fish and coho (65 fish) as vdel? as Uoj*jy Varden (42 fish) Totals -from Po--:- i dge Creek in 1981 g. .. k7 4 fl q . d,. p 1" fry, 6 cob~o fry also indicated peak caSches for ch*incok juve- 0" r;'i ics in Auyus-k with 1.09 f my csaiigiit, i'ho peak catch of Do1 ly Varden at Pertaye Creek also occurred in August of 198:i, Peak Dally idarden catch (8 fish) In 1982 occurred iri July or1 Portage (:reek. li;c re2sons for the 'low catch duriilg the 1982 sampling effort are not knqwri. T/-K~c j~ rj~~..~jbility that the dii"eFev.ence in fis11irig "rime tietween the two years 'is a fact~r, Traps wer-e set for a 24-hour period -in 1982 aiid for a 3-hour per-iod in 1982. However, accordirig to catcii rate tests conducted at Whiskers Creek and Slough in June see Appendix Keport 3-E-? the number of f-isi? trapped in a 24-hour set as comparrrl i-0 a 3-haur. set -is probably riot significant, A more Tikely exp'lanat'ion -is that the c~tcli a*i;is low becaus(2 juiien-ilc ch.inook and coho were ilol: p~-i:sent ai: the sites in dny great nu,iiberbs, 'The cause of $:his could have ijeeo the high water of 1981, severe wfntirr conditions, OI* a ha%i3sP1 ice-out in the spriny. ------ -"- ---.---=----------n__l_-YI--L-P(I_l -p-PI_-.---PP- -~YII-~~-~----"---l._~---"-~-."II.- - --I. -_I I. ** ---- ----XC_-.---*--- ---.---------_----- . --.w~----s----%-m %--li.------^l------ -XI(^ Di sso% ye< Rsl~t-s' ve Re'i at i ve WaCer Oxygen Gonduetasee 6 uel r OC~ $y YUrbi {j': ty Temp, f%"" \- 1 ---- .--.. (mdj 7 1 ---- (kyj 5 ( csai-m s/cm 1 *---...,- I ftpsec) --.- ptpyendfx Rep0r-t 3-E-1 -Pi" The t:rsieet of Fishlns Time or! Iglinr~ow Yra~ Catch ?dinnow traps were fished far 24 hours during the 2981 ice--free season. Studies conducted by the Alaska Departnient of Fish and Ganie on the Deshka Rive\@ -in 1980 K, Ruth, pers. comm. and by the U,S, Fish and Niici;ife zrri/i;~e on the i';enaj Rjv~y from 1979 1981 (D, S~:hcqjdb peps, camm,) indicated that a three hour fishing time would adequately sample juvenSi ?e salmon. *, > ihe quesliorj of the effect of fishing time an catch of minnow traps was addressed by CI 24 hotir experiment at Ldhiskers Creek afid Slough on Jiine -* 21-22, 1982. iiie objective vdas to determ-ine if a three hour set was an adeqi~ale length of time to fish a mjnnow trap for the purpose of sampling a population of fish in a gig~en area with reproducible results, i;peci -fi 1 y , the ob,iecl: i ve.; ~PJE:'~ .".a : {I;)'\ . i (;je-t;py,,n]"ifjp j-f i:'fipy-.~ t~rly d~i,f2ft.~~~"ne,>f]c@ a:. F L ~Jf:i~\ttp[ii~l ... +*l"s'., ;j --j ~l~a~~jy ~LjGi\l~~f~~j ' - " , <-j ":; /y)l,jY' *{-j<";kv ", I liZ{:k.-i j. 1 J Ili {~::i:~;.y' % .* essev~tja 1 :y d.12 fj sh that wou] d he caught 24 hours 1,~ a particusfar trap, caught in 3 hours? [ibject-ive? (b) was ijndertaken iiat only to determine .if "three hours was adequa$*2 length of time, but also to decide v~hcthsr or not '!he 1982 data (3 hour Fishing time) cauid be car:ipai-ed to the 1981 data fishing time), Whiskers Creek and Slough pjas chosen 6s the site for the 24 blc~ui* exper*inient heca~se of the prr2sence of goad number: of chinook al:d coho salm.;n juveniles and because it was lu(:ated near the Talkeetna field fjrilp. The sa:lrpiifig was done -from about noon on Jrrne $1 <to nooi? on Jiirie 6% 4" p) t) 8-3 LL:$ Lc321L* beI;~een 3 ha~iu.s afid 24 huijrs. This noi~;2arame*jc tes-i: was chosen Leiause the assumption of a nocma! disxributicn was not met by the lata, The raw data are shown in Appendix Table 3-E-1 and a surn:nary by zone ir: prbesented in Appendix Tirbie 3-E-2, Three arctic lampreys., one in each ru!je. which entered the f,~c?ps cjvernicjht wer*e deleted from tj~e t.,at]es because this species is not normail:i caught =in minnow traps at "che ether* sdiiljll i tig s i L~S on ti^ river*, it can be seen wi-th some of the traps (Appendix Table 3-E-1) that fish v~hich had keen in the trap at one sampl-ing hcur had left the trap by the: next samplirig hour, The total catch jn 24 ho:!rs was: 44 chinook salmon juveniles, 28 ~oho sain~on jiiveriilei;, PI ~linly scu'ipins, and 3 arctic lampreys. rs "8 1 ! - :;igij~tj-rank fresi. 5howt;d th,lt ihpici i..,:- ,,, 9 , .- 4 I * I rvr f ki-q*i.vl~t; a %- J' iii Lrte c.;~L:ck when 5;:i!ipieti at 3 hi)~jjaw(ji* i,i .: ji41;4; - honerid-ix i P TaMe 3-E-1. Lupula-i.ive ca*i;ch of 311 specie; in -30 mirjnon traps over 24 hours, Whiskers creek and S']ot,igh, June 21-22, 1982, Nu, 1 "B B") d 4 5 10 22 - e- --,,m*- #-.-,&I *- -*-*, -* *.,"-%%,=,--w-m #,-w"Sm---P S .----- c4 *we---_=_* F___yl=-m=--w~v----_a_->yhj I(-* I IMIRUY Elapsed lime (hours *m~smarm-*,+*-w---L--a--=-~ ..#+7 -~~~~~~~-m~~--"~~~~m~-~~m~~-~~-~-~.-m---= Zone 1 2 3 4 5 w-rm-=.m wrm am=, M - 10 22 -*- 24 ---- it; 2ny r;f TnF: thrze zones, After. ~xam.ifiing the plot of cugriulatjv~ catch F2 r-' k: . ciifle (Appendix Figure 3-E-1\ ), 3 second test was run between 3 hcur's arid 5 hour:;. Again, Lljrr~ jcere go differences in a:iy of the three Ixr zones, p~rther, thece was no djf-ference 5n the catch when sampled at 3 hours or. at 24 hours jn zone % or in zone 7. However, there was il djffpr-ence beetjef:n 2 h~ijzl$~ agcj 24 hours ~~rle 2, Tf!e ~e3u-i ti; 50 i;agyest tkiat iautior: must be used when cnmpdrf nc] fnainnow " r (3 -).- " .&I :,-.a? frofig i.i~~ i;r* r!iirlr?iji~ trap dais of 19kt2, i,ec;~use or t.ne ilne zoilt. (z3nc;- 2) rgl;$r~ a [jiff~refre~: ptas gotecj bei:weeg 3 hours ztnd 24 Iiours. 1 -is f.""kY"d-jIB ,ded that l"c. -is val id to compare the minnaw tr2~1ping efforts iLi*c;ri~ d i fier~f:l: s-i tes and dates kdhere -fishing time varied betbyeen S,flree arid four. fjc;rjr.- + -2 %J that jt niay not be va [id to compare 1981 data with " pf-bit I 1~6~ rsata. 'Thais sxperimeilt jhok~ld be repeated air. other si'ces and time f--Jef SQtASQff, /\pper:di;t Hei;-~rt 3-F-1 6 r* U~wnstrcjam Migrant E u2p Besian, Construction, and Pl2c~me1~t~ - -% * a.md-xw P" -----r- - ----- ----Lax----. sd p-----pm---w-% bni ~~veys conduc*tcd durmIny 1581 3-t spgcffie h3biea.t 1 ~ea.tjon sjtes arid s$lected study sitel; ul:? 1 ized minnow traps as the primjrji technique sfor F~E COI IEC~~OR of jliveil-i IF) salmon. Beach seines and backpack electmi--i shing units were treated as opportuaistii: year arid were not cons.; s-tentiy incarporated into the sainp"1 ing program. it was ohserved diiriSui9 ii~cist. studtes , that ai tilough rnjnnow ',raps col lected adequate ni;mbers of chinook and coho salmon juveniles3 the other species of Piiclfaic .;o?mon inci uding c.ockeye, ciiiim, arid pink sal:iron juvenf les - r10t susceptible to this ~0.1 lection i addietion of *the dov~~ctrciai:: migrant -trap and the ~TIC~US~O~ of beach seines ai~d g-=i .. EL A_, ::v .$ Q fi ski equi pt;lerlGt as :%aridarci sampl .i ng gear types duri 1;g 1982 surveys resul-tei' iui the increased cal lectjon effectiveness for the five specit?:s 0-f juvenj ?e salniuvi prei;er!t iui tile Susj tna River, ',.- i he cicjwilstredrc ini yr-ant trap i~roi/jdcid a major sdditioij I.0 the sdlripl ifiq ' PfI"P -c..il,i~ que:; i!ur i ny i.ji52. Dcs igo and cilnstruc-ti oii detai l s are .;i":obn in t"%*rc* a - Pi r-. #- jj : *A - 3rd - /it 3~5 locatjorl on the east bJaurk 13f tdg-a" I~lc '- 3~4~ 1 * Mj V~V above the ChLi'l dnct R-i~ey* j5 i:hc:. r2p c! & iiflcl C" j Qi. f *t- ~;~-)/"~~~~;~~~j~~ ,;~,~i~,cc~~j /k8 ljqjj-:5 prjj-iq*,-:a/-2 - * ta he d~y/rj:j tj*bea,ijl bjlli ~~~?~~~~~;j-~~~s~~~~~ * 1 i J dnCi 4 j j , < S~~Y~V~V !.~p;,~ i 014< . ril 1 ", ;#I<> <jp*:~jfi , tbiaic; ~-i.{jp La a it r &I 1)~ $1 j I, i; tP j ; r: i jpo:3[. 1 !iii ic*;.. \"d2fi c* * : f* i tj ( : l:;,;)\y" 1 <y14>(*t-! - - "f P", i op :'i eiv. 3: inc d~v~ilst!-eam mi granf: trap? supers triictuue , 1982. : ..-,<%:-J 3.4; \C 4 fitg;." z&F,,-z, L~~~~~- t a , I~+~ Side 0:' j-hp points of' attachment for the polltoon floats and the safety rai 1 i fig C-n the downsotream mi grant trap, 1982. q-$- .--ti - - ysb-i<x Fjs*~~j-~: 3-F-q V a =a* L .-me vie^ of tile incl ine plane on the dawnstream mtcjrant trap, 1 Y82,J 34 v;f.i;,us - m~verneots of "' Lrje downstream migiman.t trap were ; g 1982 ';o ascerta9 ii "tie op-timiam fishing conditions for tie strr~cture. Changes in ':rap depth from 0-5 to 3.5 feet and up were t~r:~ i,ed fop v3ifi.%"ance 3 fi ca-/:~;~~ .Fa ces, Juven.s" ") ff-8"sh~s weye ea"Sl ected at e.-ach 9;F the sairipljrig depths tes-Led with the deepest faishiny depth prci,~jdj ny +he v---I ;iiir.;mi~m catch rates. =-=L irlls u W~S ai"l expected result as the !nagfiril;rfi arn:ji~:it of river fj~iid being sampaled whey] the trap vdas set at the deepes+t point, No chianje in spec-ies composition was observed between the various depths tested, although an increase in the col- ic?~~ ioui of hotstom dwe'l l -ing species inC!ud-ing burbot and $1 imy sciil pin wat. ilbceu-ved wi.le,i @he trap fishing wi th-jn 0.5 feet of the substrate. T.+- 8rcj~ distcnce from share was adjusted to determine xhe opt-irnum fi~hing ijistarice .i:o m8xirnii:e catch rates. TFre trap w~r, adjustable between four and 23 feet f;*orn shore by adjust-!ny the pliicecnent of the a.ttachcd boom 1~g.. Ma;;imi.ini ::atch rates were recorded wi thin 15 feet of the bani< wh i'!e a de$c!ine in cbtibh W~Z ~h~~i":'~iti beyonci this !!istance. Movement of "r.3~ *i:r-2g fk't:3~j rij2 \-j;jok to the tides t $231.; <;$ -the ($ vgty PQS~J 1 ted j 17 2 i cj~cl [ic i n ::cttf:ii 1.d !.i.s. C/kd!]f\k?] J jg an(i fl ow ccjndj -[:ions were k. Y - - % jj tar thj 5 decrease. The east bank o-i' Susi tnd ufi/-r* \;h~ tray! l~caei~jn hiis steep qradierli: ~4th deep W~/:QY c(-J~.. $0 ;r -a' i#i?ycjfis dnd ;; - j- i*-;\ler* .Flow yii:l: illis ijojijt. 1/12 n ." \a:t-a%2t !~~j~~i: ~a~lj~~lj~A~~ei~~~~~5 ijzs 3 ~~~Q~~: gu.a~ua i grad i ~2ii-t <),id prso\ii tiei; :;n'i y ' * j 'le2c of waxer c;{jmp\ ?:?rl (/\lipzndix i-.iiiii-c ,36-F-w4'\ J s" i2hotopeirjuds of .j-h7 . -I iouiy suiilmer days arid short rtjgh"c swhich do not r~rovide an ei.tt.n:;ive n-igb~t/day ctisngc in 1 ight condi tSions. A1 so, the thus potentially diminishes the effects of photoperiods on daily YV- ikie r-righdi period heiairie to^-e pvonuunced ds the season proijressed, and a diur.ria1 pst'ceri? of downstream migration did develop. Dur4ng late ScpTcah~i- lind i.:lii.ly October*, ttik sjllal i nuri1beu.s f f h captured %!ere s " co! ieeteri pu.il;iarfl 91 dui-ing the i;.verlSiny fishing periods, Coho and sockeye shlrnon J~ivenYics were zhe predominant speci ss col lected dur-ing these. fall surveyi,. Also during this period, a substantial decrease in tiii.bbjdity wa- rct:oi3dr?d for the Susitri~ R.iver st the trap site aild mdy have einl-?uenced the 'increase in observati~rr of' s, diurnal movcgient hy a i lnw~ins an jrlcrea~r' in 1 jght peiirti-atjon (kpperidix Tanif 3-I:-?). i.\ppendji: '. b161 6: 3-F-1 Recorded meazurements of turbidity taken at the do:inst\-earn ru+grant trap (RM 1G3.0), 4982. " . -7 -m-,-*---------a--c"= .rv 1 Da t,e 17me 1'~ ~b-i dj ty Date +r ane -*-u",m. --- Turk di ty (M-; 7 jtai i i~ru (Mjl jtarY 1 (pjsauj -a,#- ,-.---* -M m--*-~s-vm-"-"..-- * -=--%--- ---mm-ZP-- =----a*-- ---- -- 14 142 131.5 9 6=%# kuyiist H155 September 17 L ~4% 15 1645 199 $8 1825 26;s 1- 45 1915 232 20 1430 1.5 % im g-Y -p f6 A, e, and Sex Surnmsr-ies for Resitievlt Fi c,h ~-~"LY~,L --------- -- -"--------" ,%-~m^x_i-~VxLr~-arxl~-~ The lenyth, aye, arid sex ratio d2tij. for. resident f'-ish !:ol l~cted in 1982 < w dre presrn*tsd by specie. In the folllowing sections. i he Iength J- r*imequencie: y i 8~en 3~ ({~t meant to portray population ierjgth frequent ies iis they are hehvi "I y i nfl rienced by cnl ! ecti on methods used "c owt~cure indi;iidfiais of n g4vc:n species, Hook and iirie sampling and boat c>lec'crcfish-iny, far instance, are methods which typical l;y sample the lavvcjer FIsi.: of a given species, Downstream migraslt traps, on the other Itand, caai;cu'n iil~~si.'iy yotfrlg of' tile year f l' sl.1 . Leiby tC1 f requer~cy p"l ot:; j2001 dl"\ fish nrrasilred rezarGd?ess ~"irn~tlrcjd of capture... Sex ratios detcrrni'ned iiiay also riot be ind'caiive of population sex ratios as they 81.2 on srnal 1 saoiw/c sjzes. scale analysis was used determine the ages of 167 rainkjow tyaj~$-+ r a ~liptured i-,etween C~uk in? et aria Uevi l Canyon (Appendix 1 able 3-G-l), A9.s rasiged frorii two to nine. A graphical representation of the data revua i that rainbow trout grew s-tead-i ly among age (:lasses sasnpled (App~ndjx Figure 3-6-21. Aged -fish captured above the Cfiuli tna R-i ver coiifuoncc were larger than fish caytinred below the cfivifl~~ence the older. age classes. Fork lengths oaf 967 Arc"sic gray1 iny n~easured from May t.o October 1982 idncj~d f 9 1 to 414 mrri, ~i-th meal1 o-f' 230 mm (iippendi:: F1guu.c Arctic grayl-ing between 100 mnr and 740 lriin fork ieng"c occcurred niose often, Young of the year. riir~ged to approi:-imately 80 rnrn fork iew~ t1.1. .hi addition, one Arctic gray! ing w6.s aged ths?: was captured aflir'4 53,5 during ~4jr;ter 198.1-1982 field sedsori. *This fish Tbadas a si;,(-yezr old mhge with 3 fork length 0-f 318 mrn, w- rwenty -seven Arctj P , 0-3 &y:ing mortalities were necropsied for sex deter- "% I mination, rne sex ratio was 52 percent males and 48 percent (13) &, IS [he iilale.; ranged .:ram 204-400 mni in fork, length with a mean of 274 mm while the females ranged from 151-387 mn. with a meiin of 252 nim. L-p iotd lengths of 44% burbo'e measuuded duriiig 1982 samp'i ing ranged frov I7 irii!i ti?. 505 iiinl vri th a rirean of 36g mrn. (Appendix F-igure 3--G-5). Most of tb-te sw r-~sh rrieasured ranged fcorn 350 rilm to 503 mm in total length. Fish tweeii 1 mm were sagrpj ed wj .th h'f gh re'f atj ve frequeijcy j r; the i'nwr;strlrdnj -,* t 4 rfjj yralrr -fyajj, F -; y il ti 1 -#one iidi41 t bijrbcj t were nec:iqops ied -i;t-rb sf:: determi n5t-i art and 3 9 eU iced f- - q The burlost sampl erj ranged tc I,? years of- age (Appendix Fiqiire :3-G.-.6). dorrj'ind~-i: age classt:s w:.re 1 ii, Iv, 'a '41 iiid V year c 4:; u-;tpres;.ntirrg i -3.5 perccilt, 26.5 pcr-icnL atid lli .id %. . P * r* uci-c2nt g i gici ;2f4t.d jyldj. itii~~-/ % ~.~~p~~ 1‘. .i 3-a~--~) . .&*, < I t f' // : 43 p (31) ill~liis il:iii C)gdj' gk:t*(:byliJ (lib) ftq!;d I<?:) icrii lengths cf 2,050 round. \qhit..i.'isb mtli\sured durfnq 1982 ranged .From $2 mgi T;r; ".hibi, with a mean f 191 rfirn. Apperldjx F'iyure 3-6-7 ""13 -1 , iusucu.ates the length frequency distrfbutioi~ for a; 1 rbound i.jhilei'fsll rn~iisureri froin May to October, rio~lnd whitefish be.tween 2% mm and 50 mm fork length occuuir~d rnost often i'ol'iowecl' bty those frorii 190 - 360 mm, Cine liuncirc2d fvi-fty.-'chree round lidhitc.Fish captured betwe~n Cook inlet and Ck~l i tfja Ri veu. coirfl uencc5 were? aged using seal f anijlys~i s whj 12 aniaiher 431 cai!ylrt belweeri the con? iu~lnce ax-i Devil Canyo17 Idere aged. k~~il~d !'~fiii~fi~k~ aflalyzeri for ci~mposition ranged from aye 0-i- to age 1 In $1~ peach oif yjvcr below the c:?r.i*f?uence ayes 11 26% Ill' (!7.1"/,9 ,ad IV (23,07;) pi-eci,2minaee wh-ili! iyqe-5 111 (20.2% a=- 3 predoniirrate i;hnve ti-ic. con'il uence (Appendix I able 3-G-4). Appendix i:iguu.e 3-G-8 4 1 just fates 1:lle ;iveu.;:gc? length 2nd raricje 0°F 'ieiig~i-15 for each age class of Susi cna K-ivf;2r ;c8.iund whitefish salilpled in 4- S-s, 1 CIt$t: < * In ~iuti i i::~f;, 43 rnurld wili *l.pl;j 5i-i :iprz :.~zami 4 0). s2x coiylposj <:<an wi tlr ,: r- ej d a -m 3: t (2%) be-ii-iy ili;lle arid 44.2 pev.r:en!: (1-9 being female. !he *-)(? r 1-85 - ~(13 ifiiii in f0Vk 'I@!~g-i~kj ~:ii~h 3 f(~@ai~ CJ'~ 2!7[5*5 ~II~~I r41 , i Y il i'c-n;a?es j - 4 j foi*ic j ,/ a llp-jfi ?'du,[j 811:11, - --* i--* ~.- i-'> - i b.,J -~-* - i *Ld 4)1 LA- AT bi Or- + a! +9 e - bfl *f- ell h 6- "* of 328 rnm while the females ranged from 280 - 405 mm ifi fork length with a aieari cf 344 mrri. Young of the year longnose slickers rartgetJ fr.om 21 mm to ilppuaoxin;ateiy 100 rnm ir: length, $- ,c;:i: arralysis was used *to debcmilne the ages of 373 longnos. sucke3-s T ,n~penaf n, x F: 3-6--6\ J,, Mem Fork lenstlls of iongr,ose suckers at a given age vI9r.e a]r!.ic?$t .identical above and below the Ch~~jiba River confluence except fur Fish of aye Vli and VlZi (Appendix Figure 3-G-22 %ti these twci age classes, longnose suckers sampled belol\i the confliience hiid hveyacje 1 er~gtbis 1 aryeu tliari tkiase san!p7 ed above the csnfmI uencc?. ic:$ir;.:s i,f Dolly \larden are too .;iijal'i ta he ready by i:gnvcni;jon;il -J-JJ]~; - 0 avialy:-i i; techr~ iqiies 50 sto i i -~-ii.: were taiieri Fr~i.r~ seimpl i ny iriorta 1 *i ti es .. .- * - :> i~ic,,,t; Li:(~:~e M~*IY~L~I i tie:> bgere S~J -fe~ in iitifi~ber~ or~*ly fuur -fib! 2 3 viere aged, -*.A i otai lengths ~r;:?v.e ineas~ireci on 214 of the threespine stickleback captiireed. Lengths ranged from 19 min tr, 90 rnm vdith a mean oi' 44,4 mm, A I~ngtii frequency distrib~tion revealed three zye classes o-F threespine " .G sviicje!,acii. (~pper;dix Fiqure 3.-G-!I figure &/so indicates the catch consisted pradorninantly of age O+ fish. * U Nc age or sex composition data were obtaivled concerning s-1 -irny scu lp.rn. A ;~figth ~p~ii~ie<icy i iir-jblj%j~n (jipyeridjr. si yuu*e S-G-IE;) ,s~i/,sals several -. e prol~able a~e classejs, 5-x hundred and three slimy sc:alpiri~ eye rneasurcd, total 'ie;rgtl;-; ranged from 1.3 nm to 105 gm with 3 incan 0.F 53-1 0:ro 6 Liirig~ths of' 57 Arctic lampirey ineasured ranged fvorn 84-290 rrim with 7; rbieail i+:ny-i;9bj of 131.3 ii;m. (Appendmix r'igdre 3-1;-16), Oi?ly tw~j Arhct*ic laii~b~i.~:/ \*u siimfJl--.d airi 1982 bjeri~:; %,a - 190 n;inu l~o lampreys wprc;. car,irdr;*at] - &s", fbf; c "* ; - { 1- 7; j f 1; j h :?J " " ' 8 ldfiafi l;!o iT!i\l -jri lell$:I"le a " pi iJ j f 1 -f fj f,rjj+ fJ fi th] f-j ;3, <j $3 "i 15 f * j "i f 1 y 5 <: ;{ t, -1 (> 5 \qa 5 cj 1 ,I *i f{ $3 , .ggg-Z9 S iZ 09% L@E-Z3 8 1Z QGE OLE- LQ +d j. - &Y - ;~ac * -- G.z12erto - :< ; aha @ 3-=G-4, sj@usPd w:li t,@f i sh s$-@--] @wg$-h re] 2tjonshf ps on the Susi tnna Fd-{ ~,-er bbe$kt~sen Coo[< 8 a'] e$ ar2d DegJ,S 2 Canyon, May $a $e32tegs$er 3 9f32, Tarr: 2 tic, Raiage a$- (-Jf F<E~ !.-ex25 ti? !-engt h 5 a rirp ~~~..-~~~ { B$G: ) -- i' in;% 1 ---.-- Tat~ "240, td~ ~21 Wmge ooF of Fi Length Letnqth Sae:p 1 ed -- Q i3m > -*-- { i3m 1 ----- T;3$2 ! ;kt? , fi',e sp 3ange of ?'sca9 Bqoc hfe an Range sf :-at31 &-Je 146 5 f-i - * Ran~e of 2;s 3 ..a - u-c "-*s!: Le~gL"s Les~t!? of" Fish Etx3g-t h Length of Ffsl-3 i-43 8-1 g t, !I Length 35 e+ .a- - -->2!sJ 1 a: d 6 \ t* ,., %t * - --.- --- -- -- :~m) ---- Ea~p) ed --- ( aTim ) --a- [ asam) -,----*.... Sa iixlp 1 ec! A-u____~ [ mw] --- Q rnm 1 - =! a L 8 26 53 i 7 p *.-A- L Is,;: 34 'I a eT -* \ ** .A .-:- -.; "; P-9 C" ir kc- ,-- -* ~cz ;-- z ,---- I' &3 7T 22 - - 'J k"" *;,.a g '& 83 ROUND WHITEFIS~ 9"3; --A 2~rsa Q TI z: 191 *4 "T- ea 1 i M. o F% Bat "BE#-OW CH11~1"$:&& f3 iiiVtZR i R,f2s 9 a, 6 Q COfdPbUEi$CE fi 204 DOLLY VARDEf\i g", = $!7 fif~&ay3 2 :23-7"3 ARCTIC LAMPREY $"B = seZj9 mean 131.2 #J-t-* 7 * Append-i x Fi ;jure J P- l.9. i-enqtC~ f reqt.ietic)i coinposi ti or! of Arc-t i c I ampre,ys captured in the Susitna River between Cook I n'i et; and ilevi 1 C,?ilyon , i4ay to O(:tr~iii?r, 1.91:2.