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Publications

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

Filter Total Items: 2551

Spatial partitioning and asymmetric hybridization among sympatric coastal steelhead trout (Oncorhynchus mykiss irideus), coastal cutthroat trout (O. clarki clarki) and interspecific hybrids Spatial partitioning and asymmetric hybridization among sympatric coastal steelhead trout (Oncorhynchus mykiss irideus), coastal cutthroat trout (O. clarki clarki) and interspecific hybrids

Hybridization between sympatric species provides unique opportunities to examine the contrast between mechanisms that promote hybridization and maintain species integrity. We surveyed hybridization between sympatric coastal steelhead (Oncorhynchus mykiss irideus) and coastal cutthroat trout (O. clarki clarki) from two streams in Washington State, Olsen Creek (256 individuals sampled) and...
Authors
C.O. Ostberg, S.L. Slatton, R. J. Rodriguez

The controversy about salmon hatcheries The controversy about salmon hatcheries

The use of hatcheries has been a subject of lengthy debate in the management of salmon and trout resources in the Pacific Northwest. The problem has resulted in part from the wide distribution of hatchery fish in circumstances where natural populations were disadvantaged by management policy involving hatchery fish and the confusion of the effects of management with the effects of...
Authors
Ernest L. Brannon, Donald F. Amend, Matthew A. Cronin, J.E. Lannan, Scott LaPatra, William J. McNeil, Richard E. Noble, Charlie E. Smith, Andre J. Talbot, Gary Wedemeyer, Harry Westers

A fish survey of the White River, Nevada A fish survey of the White River, Nevada

In spring and summer 1991 and 1992, we surveyed fishes of the White River system, Nye and White Pine Counties, Nevada, to determine the status of natives. There are 5 known native fishes to the White River: Lepidomeda albivallis (White River spinedace), Crenichthys baileyi albivallis (Preston White River springfish), Crenichthys baileyi thermophilus (Moorman White River springfish)...
Authors
G. Gary Scoppettone, Peter H. Rissler, Sean Shea

Potential involvement of rainbow trout thrombocytes in immune functions: a study using a panel of monoclonal antibodies and RT-PCR Potential involvement of rainbow trout thrombocytes in immune functions: a study using a panel of monoclonal antibodies and RT-PCR

The functional relationship between fish and mammalian thrombocytes is relatively unknown. In this study, a panel of monoclonal antibodies (mAbs) was used to investigate the functional properties of rainbow trout thrombocytes. The mAbs recognize cell-surface molecules on thrombocytes with molecular weights ranging from 17 to 160 kDa. Flow cytometric and immuno-electron microscopic...
Authors
B. Kollner, U. Fisher, J.H.W.M. Rombout, J.J. Taverne-Thiele, J.D. Hansen

Developmental instability in Rhus copallinum L.: multiple stressors, years, and responses Developmental instability in Rhus copallinum L.: multiple stressors, years, and responses

Developmental instability, as assessed by leaf fluctuating asymmetry and stem internode allometry, was examined at nine sites, representing three levels of disturbance, over multiple years. Site selection was based on land‐use disturbance classes related to training of mechanized infantry and other land management activities at Fort Benning, Georgia. Developmental instability varied...
Authors
D. Carl Freeman, Michelle L. Brown, Jeffrey J. Duda, John H. Graham, John M. Emlen, Anthony J. Krzysik, Harold E. Balbach, Dave A. Kovacic, John C. Zak

The case for regime-based water quality standards The case for regime-based water quality standards

Conventional water quality standards have been successful in reducing the concentration of toxic substances in US waters. However, conventional standards are based on simple thresholds and are therefore poorly structured to address human-caused imbalances in dynamic, natural water quality parameters, such as nutrients, sediment, and temperature. A more applicable type of water quality...
Authors
Geoffrey C. Poole, J. B. Dunham, D.M. Keenan, S.T. Sauter, D.A. McCullough, Christopher Mebane, Jeffrey C. Lockwood, Don A. Essig, Mark P. Hicks, Debra J. Sturdevant, E.J. Materna, M. Spalding, John Risley, Marianne Deppman

Natural selection after release from a hatchery leads to domestication in steelhead, Oncorhynchus mykiss Natural selection after release from a hatchery leads to domestication in steelhead, Oncorhynchus mykiss

Genetic theory and data suggest that sea ranching of anadromous salmonids (Oncorhynchus spp. and Salmo spp.) results in domestication (increased fitness in the hatchery program) accompanied by a loss of fitness for natural production. We tested for genetic differences in growth, survival, and downstream migration of hatchery and wild steelhead (O. mykiss) reared together in a hatchery...
Authors
K.M. Leber, S. Kitada, H.L. Blankenship, T. Svasand
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