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
Safe pre-release disease treatment with formalin for fall chinook salmon smolts Safe pre-release disease treatment with formalin for fall chinook salmon smolts
Standard formalin treatment (167 μL/L for 1 h) applied to presmolts and smolts of fall chinook salmon (Oncorhynchus tshawytscha) 80, 62, 52, 38, 24, and 10 d prior to seawater exposure did not affect freshwater growth or survival during a 20-d period in seawater. There was no consistent effect of treatment on gill Na+, K+ -ATPase activity.
Authors
S.D. Smith, R. W. Gould, W.S. Zaugg, L.W. Harrell, C.V.W. Mahnken
Collection and preparation of fish specimens for histological examination Collection and preparation of fish specimens for histological examination
No abstract available.
Authors
W. T. Yasutake
Can Pacific halibut (Hippoglossus stenolepis) be cultured in captivity? Can Pacific halibut (Hippoglossus stenolepis) be cultured in captivity?
No abstract available
Authors
S.D. Smith, R.R. Stickney, W.W. Dickhoff, S. Kaimer, L.H. Wu
Feeding activity, rate of consumption, daily ration, and prey selection of major predators in John Day Reservoir Feeding activity, rate of consumption, daily ration, and prey selection of major predators in John Day Reservoir
No abstract available
Authors
T.P. Poe, D.E. Palmer, H.C. Hansel, S. Vigg, P.T. Lofy, S.D. Duke, M.J. Parsley, L.A. Prendergast, R. Burkhardt, C. Burley
Evolutionary ecology and the optimality assumption Evolutionary ecology and the optimality assumption
No abstract available
Authors
J.M. Emlen
Basis for managing the harvest of Chinook salmon Basis for managing the harvest of Chinook salmon
On the basis of estimated spawner-recruit relations for populations of chinook salmon Oncorhynchus tshawytscha from British Columbia to California, harvest fractions of 60-70% may be reasonable for stocks for which the productivities are not known. Care should be taken to detect and to avoid excessive harvest from stocks with low productivity.
Authors
R.R. Reisenbichler, S.R. Phelps
Macrofauna and environment of the Nanpil-Kiepw River, Ponape, Eastern Caroline Islands Macrofauna and environment of the Nanpil-Kiepw River, Ponape, Eastern Caroline Islands
The first comprehensive evaluation of stream fauna in the Eastern Caroline Islands resulted from collections on Ponape, a 334-km- island having more than 40 streams, many of which arise along 700-m-high interior ridges. Field surveys centered on the Nanpil-Kiepw River below 170 m elevation, a bouldery reach with water of low mineral content and frequent surging flows. Faunal specimens...
Authors
J. A. Maciolek, J.I. Ford
Pen rearing and imprinting of fall Chinook salmon. Annual report 1987 Pen rearing and imprinting of fall Chinook salmon. Annual report 1987
No abstract available.
Authors
J.F. Novotny, T.L Macy, M.P. Faler, J.W. Beeman
Membrane filtration – Fluorescent antibody staining procedure for detecting and quantifying Renibacterium salmoninarum in coelomic fluid of Chinook Salmon (Oncorhynchus tshawytscha) Membrane filtration – Fluorescent antibody staining procedure for detecting and quantifying Renibacterium salmoninarum in coelomic fluid of Chinook Salmon (Oncorhynchus tshawytscha)
We developed a rapid method for detecting and quantifying the pathogen Renibacterium salmoninarum in coelomic fluid of spring chinook salmon (Oncorhynchus tshawytscha) by concentrating the bacteria on 0.2-μm polycarbonate filters and staining them with specific fluorescein-labeled antibody. Centrifugation of samples and resuspension of the sedimented material in phosphate-buffered saline
Authors
D.G. Elliott, T.Y. Barila
Limnological and fishery studies on Lake Sharpe, a main-stem Missouri River reservoir, 1964-1975 Limnological and fishery studies on Lake Sharpe, a main-stem Missouri River reservoir, 1964-1975
No abstract available
Authors
F.C. June, L.G. Beckman, J.H. Elrod, G.K. O’Bryan, D.A. Vogel
Effect of differential gastric evacuation and multispecies prey items on estimates of daily energy intake in juvenile Chinook salmon Effect of differential gastric evacuation and multispecies prey items on estimates of daily energy intake in juvenile Chinook salmon
The caloric density of stomach contents in juvenile chinook salmon,Oncorhynchus tshawytscha, was not affected by gastric evacuation, suggesting a constant caloric density of stomach contents during evacuation. Differences in the caloric density of prey consumed did affect caloric density of stomach contents over a 24-h period. Consumption of the amphipodCorophium sp. was associated with...
Authors
A.S. Kolak, D.W. Rondorf
Comparison of five techniques for the detection of Renibacterium salmoninarum in adult coho salmon. Comparison of five techniques for the detection of Renibacterium salmoninarum in adult coho salmon.
Samples of kidney, spleen, coelomic fluid, and blood from 56 sexually mature coho salmon Oncorhynchus kisutch were examined for infection by Renibacterium salmoninarum by five methods. The overall prevalence (all sample types combined) of R. salmoninarum in the fish was 100% by the enzyme-linked immunosorbent assay, 86% by the combined results of the direct fluorescent antibody and the...
Authors
R.J. Pascho, D.G. Elliott, R.W. Mallett, D. Mulcahy