Publications
USGS divers in the Elwha River
WFRC zebrafish laboratory
Processing a Lost River sucker
Below is a list of available WFRC peer reviewed and published science.
Filter Total Items: 2517
Ecology of the Opossum Shrimp (Neomysis mercedis) in a Lower Snake River Reservoir, Washington Ecology of the Opossum Shrimp (Neomysis mercedis) in a Lower Snake River Reservoir, Washington
The opossum shrimp Neomysis mercedis has expanded its range from the lower Columbia River upstream 695 kilometers into Lower Granite Reservoir where it is now very abundant. We studied Neomysis ecology in the reservoir during 2011–2015 to better understand the physical and biological factors that shape their distribution as well as their potential role in the food web. Benthic densities...
Authors
Kenneth F. Tiffan, John M. Erhardt, Brad K. Bickford
Susceptibility of ocean- and stream-type Chinook salmon to isolates of the L, U, and M genogroups of infectious hematopoietic necrosis virus (IHNV) Susceptibility of ocean- and stream-type Chinook salmon to isolates of the L, U, and M genogroups of infectious hematopoietic necrosis virus (IHNV)
This study examined the susceptibility of Chinook salmon Oncorhynchus tshawytscha to viral strains from the L, U, and M genogroups of infectious hematopoietic necrosis virus (IHNV) present in western North America. The goal of this investigation was to establish a baseline understanding of the susceptibility of ocean- and stream-type Chinook salmon to infection and mortality caused by...
Authors
Daniel Hernandez, Maureen K. Purcell, Carolyn S. Friedman, Gael Kurath
Evaluation of the biological and hydraulic performance of the portable floating fish collector at Cougar Reservoir and Dam, Oregon, September 2015–January 2016 Evaluation of the biological and hydraulic performance of the portable floating fish collector at Cougar Reservoir and Dam, Oregon, September 2015–January 2016
The biological and hydraulic performance of a portable floating fish collector (PFFC) located in the cul-de-sac of Cougar Dam and Reservoir, Oregon, was evaluated during 2015–16. The PFFC, first commissioned in May 2014, was modified during winter 2014–15 to address several deficiencies identified during operation and testing in 2014. These modifications included raising the water inflow
Authors
John W. Beeman, Scott D. Evans, Philip V. Haner, Hal C. Hansel, Amy C. Hansen, Gabriel S. Hansen, Tyson W. Hatton, Eric E. Kofoot, Jamie M. Sprando
Possibility and challenges of conversion of current virus species names to Linnaean binomials Possibility and challenges of conversion of current virus species names to Linnaean binomials
Botanical, mycological, zoological, and prokaryotic species names follow the Linnaean format, consisting of an italicized Latinized binomen with a capitalized genus name and a lower case species epithet (e.g., Homo sapiens). Virus species names, however, do not follow a uniform format, and, even when binomial, are not Linnaean in style. In this thought exercise, we attempted to convert...
Authors
Postler Thomas, Anna N. Clawson, Gaya K. Amarasinghe, Christopher F. Basler, Sina Bavari, Maria Benko, Kim R. Blasdell, Thomas Briese, Michael J. Buchmeier, Alexander Bukreyev, Charles H. Calisher, Kartik Chandran, Remi Charrel, Christopher S. Clegg, Peter L. Collins, Juan Carlos De la Torre, Joseph L. DeRisi, Ralf G. Dietzgen, Olga Dolnik, Ralf Durrwald, John M. Dye, Andrew J. Easton, Sebastian Emonet, Pierre Formenty, Ron A. M. Fouchier, Elodie Ghedin, Jean-Paul Gonzalez, Balazs Harrach, Roger Hewson, Masayuki Horie, Daohong Jiang, Gary P. Kobinger, Hideki Kondo, Andrew Kropinski, Mart Krupovic, Gael Kurath, Robert A. Lamb, Eric M. Leroy, Igor S. Lukashevich, Andrea Maisner, Arcady Mushegian, Sergey V. Netesov, Norbert Nowotny, Jean L. Patterson, Susan L. Payne, Janusz T. Paweska, C.J. Peters, Sheli Radoshitzky, Bertus K. Rima, Victor Romanowski, Dennis Rubbenstroth, Sead Sabanadzovic, Helene Sanfacon, Maria Salvato, Martin Schwemmle, Sophie J. Smither, Mark Stenglein, D.M. Stone, Ayato Takada, Robert B. Tesh, Keizo Tomonaga, N. Tordo, Jonathan S. Towner, Nikos Vasilakis, Victor E. Volchkov, Victoria Jensen, Peter J. Walker, Lin-Fa Wang, Arvind Varsani, Anna E. Whitfield, Francisco Murilo Zerbini, Jens H. Kuhn
Trophic feasibility of reintroducing anadromous salmonids in three reservoirs on the north fork Lewis River, Washington: Prey supply and consumption demand of resident fishes Trophic feasibility of reintroducing anadromous salmonids in three reservoirs on the north fork Lewis River, Washington: Prey supply and consumption demand of resident fishes
The reintroduction of anadromous salmonids in reservoirs is being proposed with increasing frequency, requiring baseline studies to evaluate feasibility and estimate the capacity of reservoir food webs to support reintroduced populations. Using three reservoirs on the north fork Lewis River as a case study, we demonstrate a method to determine juvenile salmonid smolt rearing capacities...
Authors
Mark H. Sorel, Adam G. Hansen, Kristin A. Connelly, David A. Beauchamp
Recovery of sockeye salmon in the Elwha River, Washington, after dam removal: Dependence of smolt production on the resumption of anadromy by landlocked kokanee Recovery of sockeye salmon in the Elwha River, Washington, after dam removal: Dependence of smolt production on the resumption of anadromy by landlocked kokanee
Pacific salmon Oncorhynchus spp. are adept at colonizing habitat that has been reopened to anadromous passage. Sockeye Salmon O. nerka are unique in that most populations require lakes to fulfill their life history. Thus, for Sockeye Salmon to colonize a system, projects like dam removals must provide access to lakes. However, if the lakes contain landlocked kokanee (lacustrine Sockeye...
Authors
Adam G. Hansen, Jennifer R. Gardner, David A. Beauchamp, Rebecca Paradis, Thomas P. Quinn
Science to support aquatic animal health Science to support aquatic animal health
Healthy aquatic ecosystems are home to a diversity of plants, invertebrates, fish and wildlife. Aquatic animal populations face unprecedented threats to their health and survival from climate change, water shortages, habitat alteration, invasive species and environmental contaminants. These environmental stressors can directly impact the prevalence and severity of disease in aquatic...
Authors
Maureen K. Purcell, M. Camille Harris
Colonial waterbird predation on Lost River and Shortnose suckers in the Upper Klamath Basin Colonial waterbird predation on Lost River and Shortnose suckers in the Upper Klamath Basin
We evaluated predation on Lost River Suckers Deltistes luxatus and Shortnose Suckers Chasmistes brevirostris by American white pelicans Pelecanus erythrorhynchos and double-crested cormorants Phalacrocorax auritus nesting at mixed-species colonies in the Upper Klamath Basin of Oregon and California during 2009–2014. Predation was evaluated by recovering (detecting) PIT tags from tagged...
Authors
Allen F. Evans, David A. Hewitt, Quinn Payton, Bradley M. Cramer, Ken Collis, Daniel D. Roby
Effect of body size and temperature on respiration of Galaxias maculatus (Pisces: Galaxiidae) Effect of body size and temperature on respiration of Galaxias maculatus (Pisces: Galaxiidae)
Body mass and temperature are primary determinants of metabolic rate in ectothermic animals. Oxygen consumption of post-larval Galaxias maculatus was measured in respirometry trials under different temperatures (5–21°C) and varying body masses (0.1–>1.5 g) spanning a relevant range of thermal conditions and sizes. Specific respiration rates (R in g O2 g−1 d−1) declined as a power...
Authors
D. Milano, P.H. Vigliano, David A. Beauchamp
Juvenile sucker cohort tracking data summary and assessment of monitoring program, 2015 Juvenile sucker cohort tracking data summary and assessment of monitoring program, 2015
Populations of federally endangered Lost River (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon, are experiencing long-term declines in abundance. Upper Klamath Lake populations are decreasing because adult mortality, which is relatively low, is not being balanced by recruitment of young adult suckers into known adult spawning aggregations...
Authors
Summer M. Burdick, Carl O. Ostberg, Mark E. Hereford, Marshal S. Hoy
The persistence and characteristics of Chinook salmon migrations to the Upper Klamath River prior to exclusion by dams The persistence and characteristics of Chinook salmon migrations to the Upper Klamath River prior to exclusion by dams
In this research article, John Hamilton and his co-authors present extensive new research and information gathered since a 2005 publication on the historical evidence of anadromomous fish distribution in the Upper Klamath River watershed. Using historical accounts from early explorers and ethnographers to early-twentieth-century photographs, newspaper accounts, and government reports...
Authors
John B Hamilton, Dennis W. Rondorf, William Tinniswood, Ryan J Leary, Tim Mayer, Charleen Gavette, Lynne A. Casal
Behavior and movements of adult spring Chinook salmon (Oncorhynchus tshawytscha) in the Chehalis River Basin, southwestern Washington, 2015 Behavior and movements of adult spring Chinook salmon (Oncorhynchus tshawytscha) in the Chehalis River Basin, southwestern Washington, 2015
Recent interest in flood control and restoration strategies in the Chehalis River Basin has increased the need to understand the current status and ecology of spring Chinook salmon. Based on the extended period between freshwater entry and spawn timing, spring Chinook salmon have the longest exposure of all adult Chinook salmon life histories to the low-flow and high water temperature...
Authors
Theresa L. Liedtke, Mara S. Zimmerman, Ryan G. Tomka, Curt Holt, Lyle Jennings