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Publisher: USGS | Science Center: Columbia Environmental Research Center (CERC, Columbia) | Format: URL
www.cerc.usgs.gov — This research project focuses on the endemic nature of the Pallid sturgeon (Scaphirhynchus albus) and shovelnose sturgeon (Scaphirhynchus platorynchus) and their reproductive status. Its objectives are to develop methods to use endoscopy and ultrasonic imagery to visually observe the gonads of adult and immature shovelnose and pallid sturgeon, as More...
Publisher: USGS | Science Center: Northern Prairie Wildlife Research Center (NPWRC, Jamestown) | Format: URL
www.npwrc.usgs.gov — This research project evaluates the effects of prescribed fire on the biological control of an invasive species, leafy spurge (Euphorbia esula). This project evaluates the effect of prerelease burning on establishment of flea beetle (Aphthona nigriscutis) colonies and the ability of established colonies to survive prescribed fire.
Publisher: USGS | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: URL
www.werc.usgs.gov — In this study, scientists are marking band-tailed pigeons in southern California with new lightweight solar-powered transmitters to evaluate their potential use in determining winter movements, spring and fall migrations, and breeding distribution. The project uses satellite tracking and also has maps of the bird's migration.
Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: URL
sagemap.wr.usgs.gov — SAGEMAP - Spatial Data for Sage Grouse and Shrubsteppe Systems is needed for research and management of sage grouse and sagebrush steppe habitats in the western United States. This website is a product of the NBII Great Basin Information Project. Find out more from this resource on sage grouse as endangered species, habitat information, More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — Information about ecotoxicological exposure and its effects on terrestrial vertebrates residing in estuarine and coastal habitats like the Atlantic, Gulf and Pacific Coasts, Alaska and Hawaii, as well as the Great Lakes. These vertebrates include birds, mammals, amphibians and reptiles. The data is a compilation of results from computerized More...
2008 | Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — Irreplaceable resources such as water, timber, biodiversity and recreational opportunities are all being affected by the earth's global changing climate. Ecological disturbances - wildfire, insect outbreaks, and the spread of invasive species - are also accelerating and changing the earth's ecosystems. US Geological Survey (USGS) and US Fish and More...
2008 | Publisher: USGS | Format: URL
soundwaves.usgs.gov — U.S. Geological Survey (USGS)'s Western Region held an internal USGS workshop on Sea-Level-Rise Impacts on November 6-7, 2007, in Menlo Park, California. The meeting was attended by 30 scientists from four USGS disciplines (geology, geography, biology, and water) and 13 different science centers in the Western Region. In part a follow-up to the More...
November 2007 | Publisher: Academic Institution (Sage-grouse Restoration Project (SGRP), Utah State University) | Format: .PDF
sgrp.usu.edu — The greater sage-grouse (Centrocercus urophasianus) and the Gunnison sage-grouse (C. minimus) are species of concern because of their population declines and shrinking geographic distributions. Of continuing interest is the question of population abundance and trends. This publication answers the questions that deal with sage-grouse population, More...
2001 | Publisher: USGS (Earth Surface Processes Team - Central Region) | Science Center: USGS Other | Format: .PDF
esp.cr.usgs.gov — This web resource links to the database and pdf version of the USGS/NOAA North American Packrat Midden Database Data Dictionary. The North American Packrat Midden Database is a joint project developed by the U.S. Geological Survey and the National Oceanic and Atmospheric Administration, with the purpose to provide researchers with access to More...
Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: URL
fresc.usgs.gov — This dataset is an ArcInfo point coverage depicting obstacles to anadromous fish migration in western Oregon. Data were compiled by fourth-field hydrologic unit code (HUC) from the Oregon Department of Fish and Wildlife StreamNet Database and from reports by fisheries biologists in various management agencies. Both natural and constructed (e.g., More...
Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: URL
fresc.usgs.gov — The Black Oystercatcher (Haematopus bachmani) is a species of high conservation concern throughout its range (U.S., Canadian, Alaskan, and Northern & Southern Pacific Shorebird Conservation Plans), a keystone indicator species along the north Pacific shoreline, a management indicator species in the Chugach National Forest, and a U.S. Fish and More...
Publisher: USGS | Science Center: Northern Rocky Mountain Science Center (NRMSC, Bozeman) | Format: URL
nrmsc.usgs.gov — This site reflects satellite image mosaics of recent fire years from western Montana and central Idaho. Mosaic PDF versions of maps from 2000, 2003, and 2007 are available, and are intended to assist by providing the location of notable burns for the more significant fire years in western Montana and central Idaho. The aim is also to provide a More...
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U.S. Geological Survey