(Willamette Hatchery Research)

Publications

Bowerman, T., A. Roumasset, M. L. Keefer, C. S. Sharpe, and C. C. Caudill. 2017. Prespawn mortality of female Chinook salmon increases with water temperature and percent hatchery origin. Transactions of the American Fisheries Society 147:31-42.

Johnson, M. A., and T. A. Friesen. 2014. Genetic diversity and population structure of spring Chinook salmon from the upper Willamette River, Oregon. North American Journal of Fisheries Management 34:853-862.

Johnson, M. A., and T. A. Friesen. 2013. Age at maturity, fork length, and sex ratio of upper Willamette River hatchery spring Chinook salmon. North American Journal of Fisheries Management 33:318-328.

Naman, A. W., and C. S. Sharpe. 2012. Predation by hatchery yearling salmonids on wild subyearling salmonids in the freshwater environment: A review of studies, two case histories, and implications for management. Environmental Biology of Fishes 94:21-28.

Annual Reports

Work Completed for Compliance with the Willamette Project Biological Opinion

    2015-2016 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2004 | 2003 | 2002

     2002-2005, Final Report | 2002, Addendum

Other Reports

Johnson, M. A., T. A. Friesen, D. M. Van Doornik, D. J. Teel, and J. M. Myers.  2018.  Genetic influence from hatchery stocks on upper Willamette River steelhead Oncorhynchus mykiss.  ODFW Information Report 2018-03.  Oregon Department of Fish and Wildlife, Salem.

Johnson, M. A., T. A. Friesen, D. J. Teel, and D. M. Van Doornik. 2013 . Genetic stock identification and relative natural production of Willamette River steelhead. Final Report to the U.S. Army Corps of Engineers, Portland District, Task Order W9127N-10-2-0008-0015.  Oregon Department of Fish and Wildlife, Corvallis.

Johnson, M. A., and T. A. Friesen. 2013. Genetic diversity of Willamette River spring Chinook salmon populations. Final Report to the U.S. Army Corps of Engineers, Portland District, Task Order W9127N-11-2-0002-0004.  Oregon Department of Fish and Wildlife, Corvallis.

Zymonas, N. D., and M. J. Hogansen. 2013. Adult Chinook salmon monitoring in the South Fork McKenzie River relative to water temperature control and upstream passage facilities at Cougar Dam. Final Report to the U.S. Army Corps of Engineers, Portland District, Task Order W9127N-11-2-0002-0004.  Oregon Department of Fish and Wildlife, Corvallis.

Johnson, M. A., and T. A. Friesen. 2010. Spring Chinook salmon hatcheries in the Willamette basin: existing data, discernable patterns and information gaps. Final Report to the U.S. Army Corps of Engineers, Portland District, Task Order NWPPM-09-FH-05.  Oregon Department of Fish and Wildlife, Corvallis.

Presentations

Sharpe, C. S. 2013. Baseline monitoring of spring Chinook salmon above and below project dams: McKenzie River. U.S. Army Corps of Engineers Willamette Basin Fisheries Science Review, Corvallis, OR.

Sharpe, C. S. 2013. Baseline monitoring of spring Chinook salmon above and below project dams: Middle Fork Willamette River. U.S. Army Corps of Engineers Willamette Basin Fisheries Science Review, Corvallis, OR.

Sharpe, C. S. 2013. Baseline monitoring of spring Chinook salmon above and below project dams: North Santiam River. U.S. Army Corps of Engineers Willamette Basin Fisheries Science Review, Corvallis, OR.

Sharpe, C. S. 2013. Baseline monitoring of spring Chinook salmon above and below project dams: South Santiam River. U.S. Army Corps of Engineers Willamette Basin Fisheries Science Review, Corvallis, OR.

Sharpe, C. S. 2012. Baseline monitoring Of VSP parameters for spring Chinook salmon and steelhead above and below project dams. U.S. Army Corps of Engineers Willamette Basin Fisheries Science Review, Corvallis, OR.

Johnson, M. A., and T. A. Friesen.  2011.  Coded-wire tag data suggest a decline in size and age of upper Willamette hatchery spring Chinook salmon. (Poster)  American Fisheries Society national meeting, Seattle, WA.