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Environmental Toxicology: Wildlife

Field studies in wildlife toxicology often rely on the analysis of contaminant levels in wildlife tissues. Although this provides information on an animal's exposure and the accumulated pollutant levels, it does not explicitly identify whether the contaminant has had toxic effects. Monitoring biochemical or molecular responses can provide More...

  • Northern Long-eared Bat (Myotis septentrionalis).

Conservation Genetics Lab

The Conservation Genetics Lab carries out molecular analysis, pedigree analysis, modeling, data management, and cryogenic sample repository. As a part of this research, the lab investigates the effectiveness of molecular markers used to enhance enforcement of the Endangered Species Act policy. During the past 15 years, this research has involved More...

  • image of a frog (anura)

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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Conservation Genetics: Birds

This web page offers samples of genetics and genomics research from the USGS Biological Resources Discipline about the conservation genetics of birds.

  • Broad-tailed Hummingbird female (Selasphorus platycerus)

Conservation Genetics: Mollusks

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

  • Island applesnail shells (Pomacea insularum)

Effect of Benthic Invertebrate Populations, Riparian Zone and Associated Water Quality on Infection Rates of Tubifex tubifex with Myxobolus cerebralis

The primary goal of this study is to clarify how riparian zone and land use affect T. tubifex population density, lineage and myxosporidian parasite density and/or the ability of resident worms to become infected with M. cerebralis spores and to release infective spores. Preliminary results suggest that a deciduous riparian zone reduces the More...

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Viral Tracking of Wildlife Corridors across the Rocky Mountains

Researchers at the USGS Northern Rocky Mountain Science Center (NOROCK) and their collaborators at Penn State University are using viral genetics to estimate contact patterns of mule deer and elk across several states in the Rocky Mountain region. By linking their sampling efforts with chronic wasting disease (CWD) surveys in Montana, Wyoming, More...

  • Feeding time at an elk feedground in Wyoming - March 2008. Photo credit: Vicki Patrek, USGS

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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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

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

Technical assistance in sturgeon population dynamics

Molecular genetics has recently achieved an important place in contemporary conservation biology as it has proven to be a robust tool for identifying reproductive isolation among populations, permitting the delineation of management units (MUs) and allowing assessment of conservation priorities from an evolutionary perspective (i.e., More...

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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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