Kokanee studies, reports and technical documents
King County, Washington
Ecological Survey of “Late-Run” Kokanee in Lake Sammamish, 2016
This Ecological Survey is a data-driven tool and snapshot of professional judgment for recalibrating conservation strategies designed for Lake Sammamish kokanee.
Blueprint for the Restoration and Enhancement of Lake Sammamish Kokanee Tributaries
Restoration actions that build on the latest science and current efforts to move the Lake Sammamish kokanee salmon population closer to recovery.
Predicting Climate Change Effects on Kokanee Habitat Suitability in Lake Sammamish
Report on the application of 2-D and 3-D temperature models of Lake Sammamish to evaluate future climate change impacts on kokanee habitat.
Ebright Creek Enhancement Project Report (5.6 Mb Acrobat pdf)
Report describing a City of Sammamish project to enhance kokanee habitat from the mouth of Ebright Creek at Lake Sammamish to a former fish passage barrier about 1,000 feet upstream.
Design guidance for Zaccuse Creek projects
Culvert replacement and possible upstream realignment and re-grading
2013 Conservation Supplementation Plan for Lake Sammamish Late-run (Winter-run) Kokanee and 2015 Supplement
King County DNRP and the Kokanee Workgroup, December, 2013 and October 21, 2015
Lake Sammamish late-run kokanee spawner and escapement surveys
Washington Dept. of Fish and Wildlife surveys, Adobe Acrobat format.
- Lake Sammamish Kokanee Spawning Ground Survey Summary and Escapement Estimate for the 2011-12 and 2012-13 Spawning Seasons (6.7 Mb)
- Summary of 2011-2012 Escapement (436 Kb)
- Lake Sammamish Kokanee Final 2010-2011 Spawner and Escapement Survey, September 2011 (907 Kb)
- Winter 2009 - 2010 Spawning Ground Survey Summary and Escapement Estimate, May 2010 (1.64 Mb)
- Winter 2008 - 2009 Survey and Escapement Summary (763 Kb)
- Winter 2007 - 2008 Survey and Escapement Summary (407 Kb)
- Winter 2006 - 2007 Survey and Escapement Summary (853 Kb)
East Lake Sammamish Trail Master Plan presentation to the Kokanee Workgroup (1.6 Mb Adobe Acrobat)
King County Parks Division, May 2010
Effects of a Temperature-Oxygen Squeeze on Distribution, Feeding, Growth, and Survival of Kokanee (Oncorhynchus nerka) in Lake Sammamish, Washington (585 Kb Adobe Acrobat)
Master of Science Thesis by Hans Berge, 2009
Lake Sammamish Late Run Kokanee Synthesis Report (897 Kb Adobe Acrobat)
Submitted to King County, City of Issaquah, City of Bellevue, City of Sammamish, City of Redmond, and U.S. Fish and Wildlife Service, January 2009
Genetic structure of kokanee (Oncorhynchus nerka) spawning in tributaries of Lake Sammamish, Washington (463 Kb Adobe Acrobat)
Report submitted to King County Department of Natural Resources and Parks, Water and Land Resources Division, and Trout Unlimited – Bellevue/Issaquah by Kenneth I. Warheit and Cherril Bowman, June 2008
Lake Sammamish Watershed Native Late-run Kokanee Stock Assessment and Management Plan (2.04 Mb Acrobat)
Washington Department of Fish and Wildlife, September 2006
The Current (2003) Status of Kokanee in the Greater Lake Washington Watershed
Report on kokanee salmon in the Lake Washington - Sammamish watershed provides conclusions about early run kokanee in the Lake Sammamish basin and recommends actions to save declining kokanee stocks in the watershed. October 2003
Supplementation Plan for Early Run Issaquah Creek Kokanee (1.94 Mb Adobe Acrobat)
Prepared for King Conservation District #9 by Washington Department of Fish and Wildlife, June 2001
A Microsatellite DNA Based Characterization of Lake Washington/Lake Sammamish Kokanee and Sockeye Salmon with Notes on Distribution, Timing, and Morphology (4.53 Mb Adobe Acrobat)
Washington Department of Fish and Wildlife, May 2001
For questions about Lake Sammamish kokanee and related documents, please contact Alison Agness, Kokanee Recovery Manager, WLRD Regional Partnerships Unit.