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Reports & Publications

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Genetic Analysis of Pacific Salmonids in the Northeast Pacific and the Russian Far East

This U.S./Russian collaboration will investigate genetics and life histories of Kamchatka Peninsula rainbow trout and steelhead (O. mykiss), and Dolly Varden, white-spotted, and arctic char (S. malma, S. leucomaensis, and S. alpinus, respectively). Both anadromous and resident forms of these generally occur in Kamchatka rivers that are free from More...

  • Shown are an adult Siberian white spotted char, or kundza (Salvelinus leucomaensis, top), and a pre-

Role of Demographic, Genetic, and Environmental Factors Influencing the Spread of Hybridization Between Native Westslope Cutthroat and Non-Native Rainbow Trout

This research project examines dispersal and several components of fitness between hybrids and non-hybridized fish. Further, scientists will examine the relationship between environmental factors and genetic and demographic characteristics of hybrid populations. The specific objectives are: (1) to compare the spawning dynamics and dispersal More...

  • Radiotagged hybrid trout

Genetic Analysis of Salmonids and Other Fishes in the Western US

As salmonid populations continue to decline in the western US, it is imperative to develop a better understanding of ecological, genetic, and biological aspects of these species. Within the broad context of the Fisheries and Aquatic Resources Program the 5-year research goals address: development of non-lethal genetic procedures for identification More...

  • Bridgecreek, a tributary of the Stehekin river.

Conservation Genetics: Fish

This page presents samples of genetics and genomics research from the USGS Biological Resources Discipline about the conservation genetics of fish.

  • Image of a Pallid sturgeon