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 an estuarine mysid shrimp in the Columbia River (USA) Ecology of an estuarine mysid shrimp in the Columbia River (USA)
The estuarine mysid, Neomysis mercedis, has colonized John Day and other run-of-the-river Reservoirs of the Columbia River, over 400 km from the estuary. In John Day Reservoir N. mercedis numbers peaked (2 m-3) in August in areas near the dam in association with lower water velocity and softer bottom than at the upstream sampling sites. Neomysis broods were primarily released in late...
Authors
C. A. Haskell, J. A. Stanford
Alternative barging strategies to improve survival of transported juvenile salmonids Alternative barging strategies to improve survival of transported juvenile salmonids
No abstract available
Authors
G.A. McMichael, J.A. Vucelick, B. Ryan, L. Gilbreath, R.L. McComas, Styles Smith, M. Carper, D. Elliot, T. Murray, L. Applegate, C. McKibben
Genetic structure of Cantharellus formosus populations in a second-growth temperate rain forest of the Pacific Northwest Genetic structure of Cantharellus formosus populations in a second-growth temperate rain forest of the Pacific Northwest
Cantharellus formosus growing on the Olympic Peninsula of the Pacific Northwest was sampled from September – November 1995 for genetic analysis. A total of ninety-six basidiomes from five clusters separated from one another by 3 - 25 meters were genetically characterized by PCR analysis of 13 arbitrary loci and rDNA sequences. The number of basidiomes in each cluster varied from 15 to 25...
Authors
Regina S. Redman, Judith Ranson, Rusty J. Rodriguez
Toxicokinetics and effects of PCBs in Arctic fish: a review of studies on Arctic charr Toxicokinetics and effects of PCBs in Arctic fish: a review of studies on Arctic charr
In a series of environmentally realistic laboratory experiments, toxicokinetics and effects of polychlorinated biphenyls (PCBs) were studied in the Arctic charr (Salvelinus alpinus). Winter fasting and emaciation, which are common among Arctic charr living in high latitudes, resulted in a redistribution of the lipophilic PCBs from lipid-storing tissue such as the muscle, to vital organs...
Authors
EH Jorgensen, M.N. Vijayan, J.-E.A. Killie, N. Aluru, O. Aas-Hansen, A. Maule
PEPA-1* genotype affects return rate for hatchery steelhead PEPA-1* genotype affects return rate for hatchery steelhead
Allozymes continue to be useful as genetic markers in a variety of studies; however, their utility often hinges on the selective neutrality of the allelic variation. Our study tested for neutrality between the two most common alleles (*100 and *110) at the cytosol nonspecific dipeptidase locus (PEPA-1*) in steelhead Oncorhynchus mykiss from Dworshak National Fish Hatchery in Idaho. We...
Authors
R.R. Reisenbichler, M.C. Hayes, S.P. Rubin, L.A. Wetzel, B.M. Baker
Infectious haematopoietic necrosis (IHN) virus disease in sockeye salmon (Oncorhynchus nerka) Infectious haematopoietic necrosis (IHN) virus disease in sockeye salmon (Oncorhynchus nerka)
No abstract available.
Authors
Diane G. Elliott
Use of electromyogram telemetry to assess swimming activity of adult spring Chinook salmon migrating past a Columbia River dam Use of electromyogram telemetry to assess swimming activity of adult spring Chinook salmon migrating past a Columbia River dam
Electromyogram (EMG) radiotelemetry was used to estimate the swim speeds of spring Chinook salmon Oncorhynchus tshawytscha migrating upstream past a Columbia River dam. Electrodes from EMG transmitters were surgically implanted in the red muscle of fish captured at Bonneville Dam, and output from the tags was calibrated to defined swim speeds for each fish in a tunnel respirometer. The...
Authors
R.S. Brown, D.R. Geist, M.G. Mesa
Hybridization and cytonuclear associations among native westslope cutthroat trout, introduced rainbow trout, and their hybrids within the Stehekin River drainage, North Cascades National Park Hybridization and cytonuclear associations among native westslope cutthroat trout, introduced rainbow trout, and their hybrids within the Stehekin River drainage, North Cascades National Park
Historic introductions of nonnative rainbow trout Oncorhynchus mykiss into the native habitats of cutthroat trout O. clarkii have impacted cutthroat trout populations through introgressive hybridization, creating challenges and concerns for cutthroat trout conservation. We examined the effects of rainbow trout introductions on the native westslope cutthroat trout O. c. lewisii within the...
Authors
C.O. Ostberg, R. J. Rodriguez
Improving the precision of otolith-based age estimates for Greenland halibut (Reinhardtius hippoglossoides) with preparation methods adapted for fragile sagittae Improving the precision of otolith-based age estimates for Greenland halibut (Reinhardtius hippoglossoides) with preparation methods adapted for fragile sagittae
[No abstract available]
Authors
J.L. Gregg, D.M. Anderl, D.K. Kimura
The effects of river impoundment and hatchery rearing on the migration behavior of juvenile steelhead in the Lower Snake River, Washington The effects of river impoundment and hatchery rearing on the migration behavior of juvenile steelhead in the Lower Snake River, Washington
We used radiotelemetry to monitor the migration behavior of juvenile hatchery and wild steelhead Oncorhynchus mykiss as they migrated through Lower Granite Reservoir and Dam on the lower Snake River, Washington. From 1996 to 2001, we surgically implanted radio transmitters in 1,540 hatchery steelhead and 1,346 wild steelhead. For analysis, we used the inverse Gaussian distribution to...
Authors
J.M. Plumb, R.W. Perry, N.S. Adams, D.W. Rondorf
An isolate of Piscirickettsia salmonis from white seabass is fully virulent for coho salmon An isolate of Piscirickettsia salmonis from white seabass is fully virulent for coho salmon
The virulence of the WSB-98 isolate of Piscirickettsia salmonis from white seabass Atractoscion nobilis was compared with that of the American Type Culture Collection type strain LF-89, which was originally isolated from coho salmon Oncorhynchus kisutch in Chile. In controlled laboratory challenges of juvenile coho salmon, the isolate from white seabass exhibited virulence that was equal...
Authors
M.L. House, R.P. Hedrick, J. R. Winton, J. L. Fryer