 
2006
Juvenile Salmonid Production Evaluation Report
PDF Format - 3.5 MB]
Acknowledgements
-Green River
Measuring juvenile salmon production from large river systems like the
Green River involves a tremendous amount of work. Key to developing
these estimates are the long hours of trap operation provided by our
dedicated scientific technicians: Bob Green, Josh Weinheimer and Paul
Lorenz. Logistical support was provided by Wild Salmon Production/Evaluation
Unit biologist Mike Ackley.
A number of other
individuals and agencies contributed to this project. For providing
access to the trap site, we thank the adjacent landowner Bill Mosby.
We also thank Mike Wilson, manager of the Soos Creek Hatchery, for providing
logistical support, office space and a secure staging site near the
trap.
-Dungeness River
WDFW scientific technicians Chris Burns, Fiona Taylor, Paul Lorenz,
and Ken Gilliam worked
the long hours of trap operation; their hard work and dedication was
key to achieving our project
goals. Wild Salmon Production Evaluation Unit biologist, Mike Ackley
and scientific technician
Brian Blazer provided logistical and technical support in all areas
of the project.
In addition, we
would like to thank the landowners of Dungeness Farms Inc., especially
caretaker Matt Heins, who gave us unrestricted access to their property
for trap placement and
office trailer space, and provided power, water, phone, tools, and general
support, and
landowners Ray Gorynski and Nash Huber, who allowed us dike access to
the trap site. We also
thank Scott Chitwood and Rodger Mosley, employees of the Jamestown S’Klallam
Tribe, for
their contributions to this study, and Dan Witczak, manager of the Hurd
Creek Hatchery, for
providing logistical support and storage of our office trailer.
-Cedar Creek
Skip Walch, Bao Le, Christina Luzier from the USFWS provided the CWT
tagging machine and screw trap for this study. Julie Grobelny, and Scott
Nelson worked the trap during the 2006 field season. Their fieldwork
was exceptional, and allowed for project goals to be achieved. Additionally,
field staff was responsible for data entry, which was accurate and timely.
Jeff Grim (WDFW Science Division) analyzed the otoliths to determine
the number of RSI origin coho salmon smolts collected. Steve VanderPloeg
(WDFW Region 5 Fish Mgt.) created the site map. Cameron Sharpe (WDFW
Science Division) assisted with coho data interpretation. Henry Cheng
(WDFW Science Division) conducted the KS test on the large coho dataset.
Bryce Glaser (WDFW, Region 5 Fish Mgt.) reviewed this report and his
comments improved this manuscript. |
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Return to Wild Salmon Population Monitoring
2006 Juvenile Salmonid Production Evaluation Report
By: Pete
Topping, and Lori Kishimoto, WDFW Fish Science Division and Josua
Holowatz, Dan Rawding and Michelle Groesbeck WDFW Fish Program,
Region 5
August 2008 |
Executive Summary
Declining salmon
populations in the 1980s and 1990s resulted in the listing of a number
of Washington State salmon populations under the Endangered Species
Act (ESA). Most of these listings occurred between 1997 and 1999,
impacting fisheries and land management over the entire state. To
better monitor the status of these listed species and their production
trends, the Washington Department of Fish and Wildlife (WDFW) expanded
its freshwater salmon production monitoring (smolt monitoring) program.
The new sites established during this period included Cedar Creek
in 1998 to monitor Lower Columbia River steelhead, the Green River
in 2000 and the Dungeness River in 2005 to monitor Puget Sound Chinook.
The SRFB has funded smolt monitoring on the Green River and Cedar
Creek since 2002, and included the Dungeness River in 2006. This annual
report describes the smolt monitoring activities that occurred on
these three streams during the 2006 field season.
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