Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Condition and Spawning Success of Adult Spring Chinook Salmon in the Willamette River


September 2009 - June 2011


1. Evaluate condition of adult spring Chinook salmon returning to Willamette Valley Projects and relate condition to spawning success and pre-spawn mortality levels.
2. Evaluate arriving and post-spawning spring Chinook salmon for other potential pre-spawning mortality causes including environmental stressors, disease, and parasites.
3. Develop methods for sampling adult migrants at Willamette Falls adult trap.
4. Compile and synthesize available literature for anadromous adult salmonid migration in the Willamette Valley ecosystem to identify current knowledge, identify critical knowledge gaps, and to provide a context to prioritize future research needs. The review will include analysis of radio-telemetry data collected by USACE personnel on the North Fork Middle Fork Willamette River in 2004-2007


Current Staff

Federal Staff: 95

Masters Students: 239

Phd Students: 142

Post Docs: 53

University Staff: 240

5 Year Summary

Students graduated: 701

Scientific Publications: 1936

Presentations: 4260



Funding Agencies

  • Corps of Engineers

Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey