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Susitna-Watana Hydroelectric Project Document
ARLIS Uniform Cover Page
Title:
Evaluation of wildlife habitat use, Study plan Section 10.19 : Initial study
report -- Part A: Sections 1-6, 8-9
SuWa 223
Author(s) – Personal:
Author(s) – Corporate:
ABR, Inc.-Environmental Research & Services
AEA-identified category, if specified:
Initial study report
AEA-identified series, if specified:
Series (ARLIS-assigned report number):
Susitna-Watana Hydroelectric Project document number 223
Existing numbers on document:
Published by:
[Anchorage : Alaska Energy Authority, 2014]
Date published:
June 2014
Published for:
Alaska Energy Authority
Date or date range of report:
Volume and/or Part numbers:
Final or Draft status, as indicated:
Document type:
Pagination:
ii, 4 p.
Related work(s):
The following parts of Section 10.19 appear in separate files:
Part A ; Part B ; Part C.
Pages added/changed by ARLIS:
Notes:
All reports in the Susitna-Watana Hydroelectric Project Document series include an ARLIS-
produced cover page and an ARLIS-assigned number for uniformity and citability. All reports
are posted online at http://www.arlis.org/resources/susitna-watana/
Susitna-Watana Hydroelectric Project
(FERC No. 14241)
Evaluation of Wildlife Habitat Use
Study Plan Section 10.19
Initial Study Report
Part A: Sections 1-6, 8-9
Prepared for
Alaska Energy Authority
Prepared by
ABR, Inc.—Environmental Research & Services
June 2014
INITIAL STUDY REPORT EVALUATION OF WILDLIFE HABITAT USE STUDY (10.19)
Susitna-Watana Hydroelectric Project Alaska Energy Authority
FERC Project No. 14241 Part A - Page i June 2014
TABLE OF CONTENTS
1. Introduction ....................................................................................................................... 1
2. Study Objectives................................................................................................................ 1
3. Study Area ......................................................................................................................... 2
4. Methods and Variances in 2013 ....................................................................................... 2
5. Results ................................................................................................................................ 2
6. Discussion........................................................................................................................... 2
7. Completing the Study ....................................................................................................... 3
8. Literature Cited ................................................................................................................ 3
9. Figures ................................................................................................................................ 4
LIST OF FIGURES
Figure 3-1. Study Area for Evaluation of Wildlife Habitat Use. The Study Area is a Combination
of the Wildlife Habitat Mapping Areas from the Vegetation and Habitat Mapping Study
(Study 11.5) and the Riparian Vegetation Study (Study 11.6). .......................................... 4
INITIAL STUDY REPORT EVALUATION OF WILDLIFE HABITAT USE STUDY (10.19)
Susitna-Watana Hydroelectric Project Alaska Energy Authority
FERC Project No. 14241 Part A - Page ii June 2014
LIST OF ACRONYMS, ABBREVIATIONS, AND DEFINITIONS
Abbreviation Definition
AEA Alaska Energy Authority
CFR Code of Federal Regulations
FERC Federal Energy Regulatory Commission
ILP Integrated Licensing Process
ISR Initial Study Report
Project Susitna-Watana Hydroelectric Project
RSP Revised Study Plan
SPD Study Plan Determination
INITIAL STUDY REPORT EVALUATION OF WILDLIFE HABITAT USE STUDY (10.19)
Susitna-Watana Hydroelectric Project Alaska Energy Authority
FERC Project No. 14241 Part A - Page 1 June 2014
1. INTRODUCTION
On December 14, 2012, Alaska Energy Authority (AEA) filed with the Federal Energy
Regulatory Commission (FERC or Commission) its Revised Study Plan (RSP) for the Susitna
Watana Hydroelectric Project No. 14241 (Project), which included 58 individual study plans
(AEA 2012). Section 10.19 of the RSP described the Evaluation of Wildlife Habitat Use Study.
This office-based study focuses on analyzing both existing information on wildlife habitat use in
Alaska (e.g., from the scientific literature) and new, Project-specific information on wildlife
habitat use derived from survey data to be collected for the Project (see Sections 10.5 to 10.18).
This habitat-use information will be used to systematically evaluate the use of the specific
wildlife habitat types being mapped for the Project (see Section 11.5). In this study, categorical
habitat values will be determined for each mapped habitat type and each wildlife species of
concern to be assessed for impacts during the FERC licensing process. RSP 10.19 provided
goals, objectives, and proposed methods for data collection regarding wildlife habitat use.
On February 1, 2013, FERC staff issued its study plan determination (February 1 SPD) for 44 of
the 58 studies, approving 31 studies as filed and 13 with modifications. RSP Section 10.19 was
one of the 31 studies approved with no modifications.
Following the first study season, FERC’s regulations for the Integrated Licensing Process (ILP)
require AEA to “prepare and file with the Commission an initial study report describing its
overall progress in implementing the study plan and schedule and the data collected, including an
explanation of any variance from the study plan and schedule.” (18 CFR 5.15(c)(1)) This Initial
Study Report (ISR) on Evaluation of Wildlife Habitat Use Study has been prepared in
accordance with FERC’s ILP regulations and details AEA’s status in implementing the study, as
set forth in the FERC-approved RSP (referred to herein as the “Study Plan”).
2. STUDY OBJECTIVES
The goal of the study is to provide Project-specific habitat evaluation information for birds,
mammals, and amphibians to facilitate quantitative assessments of the impacts on wildlife
habitats from development of the proposed Project.
The wildlife habitat evaluation has two fundamental objectives:
• Use Project-specific survey data and the scientific literature to determine local habitat
associations for those wildlife species occurring in the Project area that are of
conservation, management, cultural, or ecological concern and that are specific to the
wildlife habitat types to be mapped in the Project area.
• Categorically rank habitat values for each wildlife species of concern for each of the
wildlife habitat types that will be mapped in the Project area.
INITIAL STUDY REPORT EVALUATION OF WILDLIFE HABITAT USE STUDY (10.19)
Susitna-Watana Hydroelectric Project Alaska Energy Authority
FERC Project No. 14241 Part A - Page 2 June 2014
3. STUDY AREA
The wildlife habitat evaluation study area will be identical to the area mapped for wildlife
habitats in the Upper and Middle Susitna Basin [Wetland Mapping Study (Study 11.5)], plus the
area downstream of the proposed Project dam site to be mapped for riparian wildlife habitats
[Riparian Vegetation Study Downstream of the Proposed Susitna-Watana Dam (Study 11.6)].
These two areas overlap between the Project dam site and Gold Creek (Figure 3-1), but wildlife
habitats in that section of the Susitna River floodplain will be mapped only in the Riparian
Vegetation Study Downstream of the Proposed Susitna-Watana Dam (Study 11.6). The wildlife
habitat evaluation study area (Figure 3-1) includes a 4-mile buffer surrounding those areas in the
Upper and Middle Susitna Basin that could be directly affected by Project construction and
operations (the proposed Watana Reservoir, the Project dam site and associated infrastructure
areas, and the three alternative Susitna-Watana Transmission Line/Road corridors) (see Study
11.5). The portion of the study area along the Susitna River downstream of the Project dam site
includes the width of the active floodplain, as represented by the extent of riverine physiography
(see Study 11.6). The downstream extent of the area to be mapped for riparian wildlife habitats
extends to PRM 29.5 (see Study 11.6).
4. METHODS AND VARIANCES IN 2013
This study was not implemented in 2013. The study will be fully completed in the next study
season. Deferring the entire study to the next study season will meet the Study Plan objectives by
initiating work only after completion of the two mapping studies upon which this study depends:
the Vegetation and Wildlife Habitat Mapping Study in the Upper and Middle Susitna Basin
(Study 11.5) and the Riparian Vegetation Study Downstream of the Proposed Susitna-Watana
Dam (Study 11.6), as contemplated by the Study Plan (RSP Section 10.19.4.2).
5. RESULTS
There are no results to report for this study.
6. DISCUSSION
As explained in the Study Plan (RSP Section 10.19.7), the habitat evaluation work to be
conducted for this study is dependent upon information to be obtained from other ILP licensing
studies, including the Vegetation and Wildlife Habitat Mapping Study in the Upper and Middle
Susitna Basin (Study 11.5), the Riparian Vegetation Study Downstream of the Proposed Susitna-
Watana Dam (Study 11.6), and habitat-use information for mammals, birds, and amphibians to
be derived from each of the Project wildlife studies (Studies 10.5 through 10.18). Because these
other studies are ongoing and not yet complete, this Study 10.19 has been deferred until the next
study season.
INITIAL STUDY REPORT EVALUATION OF WILDLIFE HABITAT USE STUDY (10.19)
Susitna-Watana Hydroelectric Project Alaska Energy Authority
FERC Project No. 14241 Part A - Page 3 June 2014
7. COMPLETING THE STUDY
[Section 7 appears in the Part C section of this ISR.]
8. LITERATURE CITED
AEA (Alaska Energy Authority). 2012. Revised Study Plan: Susitna-Watana Hydroelectric
Project FERC Project No. 14241. December 2012. Prepared for the Federal Energy
Regulatory Commission by the Alaska Energy Authority, Anchorage, Alaska.
http://www.susitna-watanahydro.org/study-plan.
INITIAL STUDY REPORT EVALUATION OF WILDLIFE HABITAT USE STUDY (10.19)
Susitna-Watana Hydroelectric Project Alaska Energy Authority
FERC Project No. 14241 Part A - Page 4 June 2014
9. FIGURES
Figure 3-1. Study Area for Evaluation of Wildlife Habitat Use. The Study Area is a Combination of the
Wildlife Habitat Mapping Areas from the Vegetation and Habitat Mapping Study (Study 11.5) and the
Riparian Vegetation Study (Study 11.6).