Western Fisheries Research Center

Publications

Below is a list of available WFRC peer reviewed and published science.

Filter Total Items: 2,333
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Year Published: 2021

Identifying resting locations of a small elusive forest carnivore using a two-stage model accounting for GPS measurement error and hidden behavioral states

Studies of animal movement using location data are often faced with two challenges. First, time series of animal locations are likely to arise from multiple behavioral states (e.g., directed movement, resting) that cannot be observed directly. Second, location data can be affected by measurement error, including failed location fixes....

Hance, Dalton; Moriarty, Katie M.; Hollen, Bruce A.; Perry, Russell

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Year Published: 2021

Exploration of the 2016 Yellowstone River fish kill and proliferative kidney disease in wild fish populations

Proliferative kidney disease (PKD) is an emerging disease that recently resulted in a large mortality event of salmonids in the Yellowstone River (Montana, USA). Total PKD fish mortalities in the Yellowstone River were estimated in the tens of thousands, which resulted in a multi‐week river closure and an estimated economic loss of US$500,000....

Hutchins, Patrick Ross; Sepulveda, Adam J.; Hartikainen, Hanna; Staigmiller, Ken D.; Opitz, Scott T.; Yamamoto, Renee M.; Huttinger, Amberly; Cordes, Rick J.; Weiss, Tammy; Hopper, Lacey R.; Purcell, Maureen K.; Okamura, Beth

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Year Published: 2021

A systematic review of potential habitat suitability for the jaguar Panthera onca in central Arizona and New Mexico, USA

In April 2019, the U.S. Fish and Wildlife Service (USFWS) released its recovery plan for the jaguar Panthera onca after several decades of discussion, litigation and controversy about the status of the species in the USA. The USFWS estimated that potential habitat, south of the Interstate-10 highway in Arizona and New Mexico, had a...

Sanderson, Eric W; Fisher, Kim; Peters, Rob; Beckmann, Jon P.; Bird, Bryan; Bradley, Curtis; Bravo, Juan; Grigione, Melissa M.; Hatten, James; Gonzalez, Carlos; Menke, Kurt; Miller, Jennie; Miller, Philip; Mormorunni, Cristina; Robinson, Michael; Thomas, Robert E; Wilcox, Sharon

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Year Published: 2021

Fish Rhabdoviruses (Rhabdoviridae)

The family Rhabdoviridae currently has 18 genera accepted by the International Committee for Virus Taxonomy (ICTV), and three of those genera contain fish rhabdoviruses. In the genera Novirhabdovirus, Sprivivirus, and Perhabdovirus all viruses infect fish hosts, and there are no fish viruses in any of the other 15 rhabdovirus genera. In the...

Kurath, Gael; Stone, David B.
Kurath, G. and D. Stone. 2021. Volume 2 - Viruses as Infectious Agents: Human and Animal Viruses -- Fish Rhabdoviruses (Rhabdoviridae), pages 324-331 in Dennis H. Bamford and Mark Zukerman (eds.), Encyclopedia of Virology, Fourth Edition. Academic Press, Elsevier Ltd. ISBN: 9780128145159.

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Year Published: 2021

Evaluating fish rescue as a drought adaptation strategy using a life cycle modeling approach for imperiled coho salmon

Projected intensification of drought as a result of climate change may reduce the capacity of streams to rear fish, exacerbating the challenge of recovering salmonid populations listed under the Endangered Species Act. Without management intervention, some stocks will likely go extinct as stream drying and fragmentation reduce juvenile survival to...

Beebe, Brittany A; Bentley, Kale T; Buehrens, Thomas W.; Perry, Russell; Jonathan B. Armstrong

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Year Published: 2021

Performance of subyearling fall Chinook salmon tagged with 8‐, 9‐, and 12‐mm passive integrated transponder tags in the Snake River

Inferences based on tagged individuals from a population are limited in part by the minimum size of fish that can be tagged. Smaller tags allow a greater proportion of a population to be represented by tagging and should reduce potential tag effects on fish performance. We evaluated different performance metrics of juvenile fall Chinook Salmon...

Tiffan, Kenneth; Rhodes, Tobyn; Bickford, Brad; Lebeda, Dalton Dirk; Connor, William P.; Mullins, Frank L.

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Year Published: 2021

Neither microcystin, nor nodularin, nor cylindrospermopsin directly interact with human toll-like receptors

Various stressors including temperature, environmental chemicals, and toxins can have profound impacts on immunity to pathogens. Increased eutrophication near rivers and lakes coupled with climate change are predicted to lead to increased algal blooms. Currently, the effects of cyanobacterial toxins on disease resistance in mammals is a largely...

Hansen, John; Loftin, Keith; Laughrey, Zachary; Adamovsky, Ondrei

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Year Published: 2021

Juvenile Chinook salmon survival, travel time, and floodplain use relative to riverine channels in the Sacramento–San Joaquin River Delta

Floodplains provide multiple benefits to both resident and migratory fish species, including juvenile Chinook Salmon Oncorhynchus tshawytscha, but direct comparisons of survival during migration through a floodplain versus riverine routes are scarce. The Yolo Bypass is a broad floodplain of the Sacramento River that floods in about 30% of...

Pope, Adam; Perry, Russell; Harvey, Brett N.; Hance, Dalton; Hansel, Hal C

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Year Published: 2021

Novel diagnostic tests for the putative agent of bacterial gill disease in Pacific razor clams (Siliqua patula)

Nuclear inclusion X (NIX) is a gamma proteobacteria that infects the nuclei of gill epithelial cells in Pacific razor clams. NIX has been associated with clam die-offs in coastal Washington. A quantitative PCR (qPCR) assay was developed to detect NIX in Pacific razor clams, and assay specificity was confirmed by chromogenic in situ...

Travis, Brooke A; Batts, William N.; Groner, Maya; Hershberger, Paul; Fradkin, Steven C.; Conway, Carla M.; Park, Linda; Purcell, Maureen K.

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Year Published: 2021

Predator and prey events at the entrance of a surface‐oriented fish collector at North Fork Dam, Oregon

Quantifiable estimates of predator–prey interactions and relationships in aquatic habitats are difficult to obtain and rare, especially when individuals cannot be readily observed. To overcome this observational impediment, imaging sonar was used to assess the cooccurrence of predator‐size fish and juvenile salmonids, Oncorhynchus spp.,...

Smith, Collin; Plumb, John; Adams, Noah S.; Wyatt, Garth J

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Year Published: 2021

Review of trap-and-haul for managing Pacific salmonids (Oncorhynchus spp.) in impounded river systems

High-head dams are migration barriers for Pacific salmon Oncorhynchus spp. in many river systems and recovery measures for impacted stocks are limited. Trap-and-haul has been widely used in attempts to facilitate recovery but information from existing programs has not been synthesized to inform improvements to aid recovery of salmonids...

Kock, Tobias; Ferguson, John W.; Keefer, Matthew L.; Schreck , Carl B.

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Year Published: 2021

Maternal transfer of polychlorinated biphenyls in Pacific sand lance (Ammodytes personatus), Puget Sound, Washington

We measured polychlorinated biphenyls (PCBs) in multiple age and size classes of Pacific sand lance (Ammodytes personatus), including eggs, young-of-the year, and adults to evaluate maternal transfer as a pathway for contaminant uptake and to add to the limited information on the occurrence of PCBs in sand lance in Puget Sound. Sampling was...

Liedtke, Theresa L.; Conn, Kathleen E.