HomeMy WebLinkAboutAPA4097TK
1425
.S8
A68
no.4097
[ Presentation about Susitna River fish species presented by Douglas Vincent-
Lang : printouts of overhead transparencies ].
Title supplied by cataloger.
The first twenty-one sheets are identical to sheets 5 to 25 (they are unnumbered) in another
presentation handout, Handout Materials, Susitna Agency Workshop 1, Instream Flow Studies,
February 15, by E. Marchegiani and T. Arminski, numbered APA 4097.
The writing in the diagrams:
Sheet
1 "Eulachon" appears in the Yentna River and upper Susitna River and at the mouth
of the river. Between river miles 5 and 25 is "Millions"
4, 8, 12,
16, 20
"Fish spawning above RM 120"
22 Top arrow pointing up: "Spawning ≈ 75%"
Bottom arrow pointing up: "1983 escapement to RM 120 = 10,000 fish"
23 Top arrow pointing up: "Spawning ≈ 70%"
Bottom arrow pointing up: "1983 escapement to RM 120 = 1,900 fish"
Arrow pointing down on right: "Milling (Spawning below RM 120) ≈ 30%"
24 Top arrow pointing up: "Spawning ≈ 75%"
Bottom arrow pointing up: "1983 escapement to RM 120 = 5,500 fish"
Arrow pointing down on right: "Milling (Spawning below RM 120) ≈ 25%"
25 Top arrow pointing up: "Spawning ≈ 60%"
Bottom arrow pointing up: "1983 escapement to RM 120 = 21,100 fish"
Arrow pointing down on right: "Milling (Spawning below RM 120) ≈ 40%"
26 Top arrow pointing up: "Spawning ≈ 60%"
Bottom arrow pointing up: "1983 escapement to RM 120 = 800 fish"
Arrow pointing down on right: "Milling (Spawning below RM 120) ≈ 40%"
1982 a 1983 EULACHON
USE OF SUSITNA RIVER
A)-.,c:..
~
-')J
-
A RM 28
M
A
J
0
R
S SPAWNING
P (Mid May-
A Early June)
W
I
N
l G
RM II
M
I
No
R
S
P
A
W
N
I
G
y
INTERTIDAL
M IGRATIO N PE RIOO
EARLY MAY THRU
EARLY JUNE.
CONTRIBUT ION
OF SUSITNA RIVER TO
UPPER COOK INLET
COMMERCIAL CHINOOK SALMON CATCH:
1983 H.ARVES T (PRE.)~I 9 THOUSAND
10 YEAR AVERAGE (74-83)~13 THOUSAND
11
BASED ON PROFFESIONAL JUDGEMENT
SUS ITNA 1983
··C·H IN 00 K ESC APE ME NT
RM 120
(10,000)
RM 103
'-f---J.(14,500)
RM 80
(91,200)
1-98.3 CHINOOK SPAWNING AREAS
.TRIBUTARIES
LOO%
CHANNEL
./1SLOUG HS
//0%
/'
9"83'MAJOR CHINOOK SALMON SPAWNING
STREAMS ABOVE RM 98.6
70
00
:E«w
ct:....
00
o....
Z35o
....
:::>
CD
....
00
a
~o
o
PORTAGE INDIAN
Cr.R.
(RM 148.9)(R M 138.6)
CHEECHAKO.Cr.
(RM 152.5)
CONTRIBU T 10 N
OF SUSITNA RIVER TO
UPPER COOK INLET
COMMERCIAL SOCKEYE SALMON CATCH:
~-~-l.J
~10-30%
1983 HARVEST (PRE.)~4.8 MILLION
10 YEAR AVERAGE(74-83)~2.0MILLION
!J
BASED ON PROFFESIONAL JUDGEMENT
SUSITNA 1983
SOCKEYE ESCAPEMENT
*Min.Escapement=Yentno River
Plus Above RM 80
100
~o
*I-
z 75w
~
wa..«
~50
LLI
Z
~
~
Z 25-~
RM 120
(1,900)
RM.103
(4,200)a R.
t n
I J<eefO
Toto I Escapement
Not Documented
(185,000 ~)
RM 80
(71,700)
~~,
-::>RM 28 Q:
0"Xl (104,400)
.~
~~
S\
~
1983 SOCKEYE SPAWNING AREAS
SLOUGHS
97+%
MAIN CHANNEL
<3%
IRIBUTARIESr<
0%','
\'
1983 SECOND RUN SOCKEYE SALMON
SPAWNING SLOUGHS ABOVE RM 98~6
-".
'.
:.~~j,.,.
:,il.
.~:.;.:"!•
'~~:S
.,.
SLOUGH SLOUGH SLOUGH
II 21 SA
(RMI35.3)(RMI41.1)(RMI25.1)
o
60
o~10
~50
(9
:J
S
(f)40
o
~
zo
-30
~
:J
lD
0:::20~
(f)
o
GOLD CREEK
~STATION
--Slough II
(53.2 %)
RM 135
CONTRIBUTION
OF SUSITNA RIVER TO
UPPER COOK INLET
COMMERCIAL PINK SALMON CATCH:
!t
~80-90%
1982 HARVEST (PRE.)Z 790 THOUSAND
1983 HARVEST (PRE.)~80 THOUSAND
10 YEAR AVERAGES (·63-83)
-EVEN YEARzl.5 MILLION
-ODD YEAR 165 THOUSAND
.!JBASED ON PROFES SIONAL JUDGEMENT
SUSITNA 1983
PINK ESCAPEMENT
_..-.--
RM 120
(5,500)
*Min.Escapement=Yentno River
Plus Above RM 80
~o
z
::>
~25
z
~
100
Tota 1 Escapement
Not Documented
150,000 (?)
RM28
"'?(60,700)~
~~
~'~
RM 80 *(40,600)t-75z
lJJ
~
A lJJa.
<t 50u
(J)
w
\983 PINK SPAWNING AREAS
TRIBUTARIES
--95+%
MAIN CHANNE L
0%
/t\
I
SLOUGHS
<5%
1983 MAJOR PINK SALMON SPAWNING
STREAMS--ABOVE RM--98.6
GOLD CREEK
STATION
70
60
f)50,.
I)40
)-
II"
)
-30
)
~20
10
o
INDIAN PORTAGE 4th of July
R.Cr.Cr.
(RM 138.6)(RM 148.9)(RM 131.I)
CONTRIBUT ION
OF SUS I TN A RIVE R TO
UPPER COOK INLET
COMMERCIAL CHUM SALMON CATCH:
1983 HARVEST (PRE.)~I.I MILLION
10 YEAR AVERAGE(74-83)~0.8 MILLION
.!J
BASED ON PROFESSIONAL JUDGEMENT
SUSITNA 1983
CHUM ESCAPEMENT
*Min.Escapement =Yentna River
Plus Above RM 80
100
*t-z7
I.&J
::E
I.&Ja.
<t
~50
I.&J
Z::>
::E-z 25-~
~
RM 120
(21,100)
Toto 1 Escapement
Not Documen ted
290,000 (7)
INLET
RM 28
(10,800)f
~~~
.RM 80
(266,000,)
19-83 CHUM SPAWNING AREAS
SLOUGHS
44°k ===
MAIN CHANNEL
13%(800)
1983 MAJOR CHUM SALMON SPAWNING
AREAS ABOVE RM 98.6
_'""·__'0
(J)(J)
::E 60 ::I:24«Streams <.!>Sloughs1IJ:::>
0::0I-.-Jt/)(J)
o 40 f2 16I-
Z zQ0I-....:::>:::>!!!20 CD 8
0::0::I-....t/)t/)0 0
<f-0 INDIAN PORTAGE 4th of JULY SLOUGH SLOUGH SLOUGH
R.Cr.Cr.II 21 9
(RMI38.6)(RM 148.9)(RM 131.I)(RMI35.3)(RM 141.1)(RMI28.3)
AGOLD CREEK
RMI35
-Slouqh 21
~",GOLD CREEK
~-4--Slouqh II
~
•RM 135
".....,.-.""....
CONTRIBUTION
OF SUSITNA RIVER TO
UPPER COOK INLET
COMMERCIAL COHO SALMON
~50%11
.
CATCH.
-
1983 HARVEST (PRE.)';::::500 THOUSAND
10 YEAR AVERAGE (74-83)~340 THOUSAND
!J
BASED ON PROFESSIONAL JUDGEMENT
SUSITNA 1983
COHO Esc APEMENT
*Min.Escapement =Yentno River
Plus Above RM 80
~o
100
I-7z
w
~
w
a..
<t 50
()
(J)
w
*
RM 120
(800 )
To ta I Escapement
Not Documented
45,000 (?)
RM 80
(15,200)
1983 COHO SPAWNING A·REAS
TRJBU TAR I,'E S
98+%"MAIN CHANNEL
<1%t
/
I I SLOUGHS
<::1 0/0/
/
1983 MAJOR COHO.SALMOIN SPAWNJNG
STREAMS ABOVE RM 98.6)
(J)50
::E«w
0::
1-140
(J)
o
I-
Z 130
o-I-
::::>
.~120
0::
I-
(J)
Q RIO
~o
WHISKERS INDIAN GASH
Cr.R.Cr.
(RM lOlA)(RMI38.6)(RMII1.6)
,:
Cj
.fR~\-.J
I
I
...."'"
1983 CHINOOK SALMON
MILLING
(Spawning
below RM
120)
~25%
1983 SOCKEYE SALMON
1983 PI NK SALMON
1983 CHUM SALMON
MILLING
(Spawning
below RM
120)
z40 %
1983 COHO SALMON