Western Fisheries Research Center
Research at the WFRC focuses on the environmental factors responsible for the creation, maintenance, and regulation of fish populations including their interactions in aquatic communities and ecosystems. Within these pages you will find research information on Pacific salmon; western trout, charr, and resident riverine fishes; desert and inland fishes; aquatic ecosystems and their resources.
Headquarters and Seattle Research Laboratory
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Research Laboratories and Field Stations
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Identifying Habitat Characteristics for Successful White Sturgeon Recruitment in the Columbia River Basin
The USGS and National Park Service (NPS) have published the first Natural Resource Condition Assessment for Olympic National Park. A Natural Resource Condition Assessment, or NRCA, is a report that evaluates a subset of important natural resources in a NPS Unit.
Fall Chinook salmon (Oncorhynchus tshawytscha), sand roller (Percopsis transmontana), and smallmouth bass (Micropterus dolomieu) interactions in a Snake River reservoir: A tale of three species
We studied some of the relationships between federally listed fall Chinook Salmon, Oncorhynchus tshawytscha, endemic Sand Roller, Percopsis transmontana, and non-native Smallmouth Bass, Micropterus dolomieu, in Lower Granite Reservoir on the Snake River. Because of its recent reappearance and population increase, the Sand Rollers...Hemingway, Rulon J.; Tiffan, Kenneth F.; Erhardt, John M.; Rhodes, Tobyn N.; Bickford, Brad K.
Complete genome sequences of the index isolates of two genotypes of Pacific salmon paramyxovirus
We report here the genome sequences of two index strains of Pacific salmon paramyxovirus isolated in 1982 and 1983 from adult salmon in Oregon. The isolates are most closely related to Atlantic salmon paramyxovirus, the type species of the genus Aquaparamyxovirus, but are sufficiently distinct to be considered two genotypes of a novel species.Winton, James; Batts, William N.; Powers, Rachel L.; Purcell, Maureen K.
Modelling sea lice control by lumpfish on Atlantic salmon farms: interactions with mate limitation, temperature, and treatment rules
Atlantic salmon farming is one of the largest aquaculture sectors in the world. A major impact on farm economics, fish welfare, and potentially nearby wild salmonid populations, is the sea louse ectoparasite Lepeophtheirus salmonis. Sea louse infestations are most often controlled through application of chemicals, but in most farming regions...McEwan, Gregor F.; Groner, Maya L.; Cohen, Allegra A. B.; Imsland, Albert K. D.; Revie, Crawford W.