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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-

Fish Virus Molecular Biology and Genetics

Viral infections are common causes of disease outbreaks and mortalities in both wild and captive fish populations. Due to the long history of virus outbreaks there is a substantial body of knowledge about viruses within the field of fish pathology. This project involves research and development studies which create, modify and apply modern More...

  • Experimental viral competition system

Conservation Genetics of Shorebirds: Identification of Conservation Units, Genetic Diversity, and Population: Specific Markers for North American Shorebird Species of Concern

Conservation Genetics of Shorebirds uses molecular techniques to describe genetic structure and diversity in North American shorebirds (order: Charadriiformes) to facilitate population maintenance and recovery of these migratory birds.

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Western Fisheries Research Center - Genetics Program Introduction

Genetics Research at the Western Fisheries Research Center studies the genetics of aquatic organisms and develop molecular tools to non-lethally determine gender, life history stages, and closely related species.

  • Comparison of gender in fish

Genetics of Alaskan Fishes

Genetics of Alaska Fishes Projects studies include comparing molecular genetics for rainbow trout throughout their range in Alaska and use microsatellite analyses to look at hatchery and wild populations of steelhead in the Snake River (Phylogeographic analysis of rainbow trout in Alaska). Research also looks at genetic population structure of More...

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Mussel Conservation Activities

Mussel Conservation Activities are conducted in the upper Mississippi River. These activities include the genetic studies, mussel and cage cultures, and cleaning and stocking mussels. This resource, published by Fish and Wildlife Service, contains highlights of research done on mussels from 1982-2006.

  • Mussel collage

Monitoring Grizzly Bear Populations using DNA

This is an overview of the Northern Divide Grizzly Bear Project, Monitoring Grizzly Bear Populations using DNA allows identification of species, sex, and individuals from DNA extracted from bear hair and scats without handling bears. The data will be used to design a non-intrusive population trend monitoring scheme. This resource includes More...

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Conservation Genetics at the San Diego Field Station

Conservation Genetics researchers at the USGS San Diego Field Station are currently using genetic techniques to investigate the population structure of several species of concern and to investigate links between Southern California geography and patterns of genetic diversity across different species groups. This resource also links to other More...

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Ecological Genetics of Lake Clark Sockeye Salmon (Oncorhynchus nerka)

Ecological Genetics of the Lake Clark Sockeye Salmon (Oncorhynchus nerka) characterizes the population structure and genetic diversity. This issue overview aids managers in defining and prioritizing conservation units of sockeye salmon within Lake Clark National Park and Preserve.

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Sea otter population status and changes in Alaska

A web page to introduce research by the USGS Alaska Science Center on sea otter population status and changes in Alaska. Provides some background on why the research is needed, research objectives, and a listing of publications by project staff.

  • full body view of sea otter under water

Conservation Genetics of Shorebirds: Identification of Conservation Units, Genetic Diversity, and Population-Specific Markers for North American Shorebird Species of Concern

Conservation Genetics of Shorebirds uses molecular techniques to describe genetic structure and diversity in North American shorebirds (order: Charadriiformes) to facilitate population maintenance and recovery of these migratory birds.

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Cellular and Genetic Tracers of Transport Time in Groundwater Systems

Artificially maintained water levels within the lake and stresses placed upon the aquifer by well withdrawals facilitate movement of water from the lake into the local ground water system, potentially allowing contaminants to enter the aquifer from the lake. This raises national concern because similar lakeside settings exist throughout the United More...

  • Diatom image of the species Cymbella tumida.