Orlay W. Johnson

Environmental Science · Physical Sciences

13h-index900citations20works0.02yr avg
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Research Topics

Fish Ecology and Management Studies(13), Genetic diversity and population structure(4), Reproductive biology and impacts on aquatic species(3), Aquaculture Nutrition and Growth(2), Aquatic Invertebrate Ecology and Behavior(2)

Publications20 total

History of Salmon Marine Netpen Aquaculture in the Pacific Northwest
145th Annual Meeting of the American Fisheries Society·2015
Why Did the Chum Cross the Road? Genetics and Life History of Chum Salmon in the Southern Portion of Their Range
2012· 2 cited
Pacific Salmon Extinctions: Quantifying Lost and Remaining Diversity
Conservation Biology·2007· 315 cited
Lopsided Fish in the Snake River Basin — Fluctuating Asymmetry as a way of Assessing Impact of Hatchery Supplementation in Chinook Salmon, Oncorhynchus tshawytscha
Environmental Biology of Fishes·2004· 13 cited
Lopsided fish in the Snake River Basin — fluctuating asymmetry as a way of assessing impact of hatchery supplementation in chinook salmon, Oncorhynchus tshawytscha
Developments in environmental biology of fishes·2004· 14 cited
Status review of coastal cutthroat trout from Washington, Oregon, and California
1999· 58 cited
Use of Passive Integrated Transponder (PIT) Tags to Monitor Migration Timing of Snake River Chinook Salmon Smolts
North American Journal of Fisheries Management·1996· 85 cited
Evaluation of Factors Affecting Collection Efficiency Estimates of Chinook Salmon and Steelhead Smolts at McNary Dam, 1989 Final Report.
1995Open Access
Status review for Oregon's Umpqua River sea-run cutthroat trout
1994· 19 cited
A Genetic Monitoring & Evaluation Program for Supplemented Populations of Salmon & Steelhead in the Snake River Basin
1993· 6 cited
Status Review for Oregon's Illinois River Winter Steelhead
1993· 4 cited
Status Review for Snake River Sockeye Salmon
1991· 36 cited
STATUS REVIEW FOR LOWER COLUMBIA RIVER COHO SALMON
1991· 20 cited
Evaluation of Factors Affecting Collection Efficiency Estimates of Chinook Salmon and Steelhead Smolts at McNary Dam. 1988 Annual Report.
1990Open Access
EVALUATION OF FACTORS AFFECTING COLLECTION EFFICIENCY ESTIMATES OF CHINOOK SALMON AND STEELHEAD SMOLTS AT McNARY DAM - 1988
1990· 1 cited
Interspecies Differences in Salmonid Cellular DNA Identified by Flow Cytometry
Copeia·1987· 61 cited
Comparative growth and development of diploid and triploid coho salmon, Oncorhynchus kisutch
Aquaculture·1986· 87 cited
Application of silver staining to the identification of triploid fish cells
Aquaculture·1986· 50 cited
Comparison of the reliability of a Coulter Counter with a flow cytometer in determining ploidy levels in Pacific salmon
Aquaculture·1984· 26 cited
Measurement and potential applications of induced triploidy in Pacific salmon
Aquaculture·1983· 103 cited

Frequent Co-authors

Robin S. Waples(7), Fred M. Utter(4), F. William Waknitz(4), Kathleen G. Neely(4), Jeffrey J. Hard(3), Lowell C. Stuehrenberg(3), Gregory James Bryant(2), Peter S. Rabinovitch(2), Thomas C. Wainwright(2), Richard G. Gustafson(1), James M. Myers(1), Laurie A. Weitkamp(1), Gary H. Thorgaard(1), Walton W. Dickhoff(1), Stephen Achord(1), Gene M. Matthews(1), Douglas M. Marsh(1), Mary Ruckelshaus(1), W. Stewart Grant(1), Ann Marie Garrett(1)