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Columbia Basin Fish and Wildlife Program Columbia Basin Fish and Wildlife Program
SOW Report
Contract 46375: 2008-503-00 EXP FACTORS LIMITING OKANAGAN & WENATCHEE SOCKEYE
Project Number:
Title:
Studies into Factors Limiting the Abundance of Okanagan and Wenatchee Sockeye Salmon
Stage:
Implementation
Area:
Province Subbasin %
Columbia Cascade Entiat 1.00%
Methow 1.00%
Okanogan 49.00%
Wenatchee 49.00%
Contract Number:
46375
Contract Title:
2008-503-00 EXP FACTORS LIMITING OKANAGAN & WENATCHEE SOCKEYE
Contract Continuation:
Previous: Next:
41658: 200850300 EXP FACTORS LIMITING OKANAGAN & WENATCHEE SOCKEYE
  • 51944: 2008-503-00 EXP FACTORS LIMITING OKANAGAN & WENATCHEE SOCKEYE
Contract Status:
Closed
Contract Description:
This project seeks to expand our knowledge on the factors limiting production of Okanogan and Wenatchee sockeye salmon stocks.  A primary factor affecting the Okanogan stock is believed to be survival upstream of Wells Dam.  To quantify this mortality, in 2009 this project funded PIT tag detection antennas at Vertical Diversion Structure 3 upstream of Osoyoos Lake and in 2010 will fund installation of PIT tag detection at Zosel Dam fishways.  In addition, an acoustic tag antenna network will continue to be developed upstream of Wells Dam.  Sockeye will be PIT tagged at the Bonneville Dam adult fish facility (as part of another MOA project, Upstream Migration Timing) as well as at the Wells Dam east bank fish trap.  Sockeye will also be acoustic tagged at Wells Dam.  Between the acoustic and PIT tags, Okanogan sockeye salmon mortality will be partitioned by reach upstream of Wells Dam and we hope to then be able to correlate survival with river and lake conditions, hopefully allowing survival to be increased through better Okanagan River management.  

This project will also standardize smolt abundance estimation methodologies between the two stocks by conducting annual hydroacoustic surveys of Lake Wenatchee to compare with those being conducted in Osoyoos Lake.  Given that the strength of the Wenatchee run relative to the Okanogan run has greatly declined in recent years, a plan for further Wenatchee sockeye research will be developed.

This project will expand our Upstream Migration Studies project (2008-518-00) by funding deployment of PIT tag detection antennas as well as an acoustic tag network in the Okanagan Basin.  This will allow sockeye salmon to be tracked through the Okanogan Basin, thereby allowing us to extend our migration survival estimates into the Okanogan River.  We also will be able to determine where in the Okanogan River-Osoyoos Lake mortality is occurring, which may then allow for the development of different river management actions to reduce this mortality.  It is hoped that, depending on where mortality is occurred, better flow management techniques to optimize adult survival can be developed.  The PIT tag network we develop as part of this project may also improve data on steelhead and Chinook use of the Canadian portion of the Okanogan Basin.
Account Type(s):
Expense
Contract Start Date:
04/01/2010
Contract End Date:
08/31/2011
Current Contract Value:
$274,186
Expenditures:
$274,186

* Expenditures data includes accruals and are based on data through 31-Mar-2024.

BPA COR:
Env. Compliance Lead:
Work Order Task(s):
Contract Type:
Contract (IGC)
Pricing Method:
Cost Reimbursement (CNF)
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Viewing of Work Statement Elements

Deliverable Title WSE Sort Letter, Number, Title Start End Complete
Ensure environmental compliance requirements are completed. A: 165. Complete environmental compliance requirements 03/31/2011 03/31/2011
PIT Tag detection system at Okanagan River Vertical Control Structure Installed B: 70. Install PIT tag detection at Zosel Dam fishways 12/01/2010 12/01/2010
An acoustic network in the Okanogan Basin Installed C: 70. Install Okanogan River Acoustic Network 07/15/2010 07/15/2010
Wells Dam acoustic and PIT tagging completed D: 158. Acoustic and PIT tag adults at Wells Dam adult fish trap 07/30/2010 07/30/2010
Collected acoustic tag data E: 157. Collect acoustic tag data 10/28/2010 11/30/2010
# Sockeye migration mortality and timing analysis completed F: 162. # Sockeye migration mortality and timing 05/13/2011 03/31/2011
Osoyoos Lake and Lake Wenatchee smolt abundance data collected G: 157. Collect smolt abundance data from acoustic trawl surveys 03/31/2011 03/31/2011
# Over-winter smolt abundance of Okanagan and Wenatchee sockeye salmon data compared H: 162. # Compare Wenatchee and Osoyoos Lake hydroacoustic data 05/31/2011 03/31/2011
# Report results I: 161. # Share project information 06/30/2011 03/31/2011
Sockeye Symposium attended J: 99. AFS sockeye symposium 03/31/2011 03/31/2011
Complete all project management and administrative activities for the project K: 119. Project administration 03/31/2011 03/31/2011
PIT Tag data from VDS3 maintained L: 186. Maintain VDS3 PIT tag detection antenna 03/31/2011 03/31/2011
# FY10 Annual Progress Report Submitted N: 132. # Submit Progress Report for the period Apr 2010 to Mar 2011 08/31/2011 08/23/2011

Viewing of Implementation Metrics
Viewing of Environmental Metrics Customize

Primary Focal Species Work Statement Elements
Sockeye (O. nerka) - Okanogan River ESU
  • 1 instance of WE 186 Operate and Maintain Habitat/Passage/Structure
  • 2 instances of WE 70 Install Fish Monitoring Equipment
  • 2 instances of WE 157 Collect/Generate/Validate Field and Lab Data
  • 1 instance of WE 158 Mark/Tag Animals
  • 1 instance of WE 161 Disseminate Raw/Summary Data and Results
  • 2 instances of WE 162 Analyze/Interpret Data

Sort WE ID WE Title NEPA NOAA USFWS NHPA Has Provisions Inadvertent Discovery Completed
A 165 Complete environmental compliance requirements 04/01/2010
B 70 Install PIT tag detection at Zosel Dam fishways 04/01/2010
C 70 Install Okanogan River Acoustic Network 04/01/2010
D 158 Acoustic and PIT tag adults at Wells Dam adult fish trap 04/01/2010
E 157 Collect acoustic tag data 04/01/2010
F 162 # Sockeye migration mortality and timing 04/01/2010
G 157 Collect smolt abundance data from acoustic trawl surveys 04/01/2010
H 162 # Compare Wenatchee and Osoyoos Lake hydroacoustic data 04/01/2010
I 161 # Share project information 04/01/2010
J 99 AFS sockeye symposium 04/01/2010
K 119 Project administration 04/01/2010
L 186 Maintain VDS3 PIT tag detection antenna 04/01/2010
M 185 Periodic Status Reports for BPA 04/01/2010
N 132 # Submit Progress Report for the period Apr 2010 to Mar 2011 04/01/2010