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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...
2007 | Publisher: USGS | Format: URL
pubs.usgs.gov — The Southwestern Willow Flycatcher (Empidonax traillii extimus) is an endangered bird that breeds only in dense riparian habitats in six southwestern states (southern California, extreme southern Nevada, southern Utah, southwestern Colorado, Arizona, and New Mexico). This report synthesizes information on all known Southwestern Willow Flycatcher More...
2006 | Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — Although the monitoring of black-footed ferret (Mustela nigripes) populations following reintroductions has not been haphazard, several ferret recovery groups since 1994 have recommended development of uniform standards prescribing minimum methods, intensities, and frequencies of monitoring that would provide data on population size, mortality More...
Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: URL
fresc.usgs.gov — Periodic fire is a natural part of sagebrush steppe ecosystems in the Great Basin. However, a suite of human-caused factors has dramatically changed fire regimes in many of these systems. Decades of fire suppression and livestock grazing have produced dense, single-aged sagebrush stands and invasion by cheatgrass (Bromus tectorum) has increased More...
Publisher: USGS | Science Center: Western Fisheries Research Center (WFRC, Seattle) | Format: URL
wfrc.usgs.gov — This is a research summary who's project objectives are to: 1) Coordinate watershed stakeholders in order to guide the implementation of watershed restoration actions that are consistent with stakeholder objectives, 2) Monitor physical habitat conditions and natural production of juvenile, smolt, and adult steelhead in the Wind River sub-basin, More...
Publisher: USGS | Format: URL
pubs.usgs.gov — The U.S. Geological Survey (USGS), in collaboration with the USDA Farm Service Agency and Natural Resources Conservation Service, initiated a study to develop and apply approaches to quantify changes in ecosystem services resulting from wetland restoration activities funded by the USDA. Surveys from this study included catchments with seasonal and More...
Publisher: Academic Institution (Academic Institution(University of Washington-Seattle Campus)) | Format: .PDF
www.cfr.washington.edu — The Western Mountain Initiative is a team of USGS and USDA Forest Service scientists working together to better understand and predict the responses of Western mountain ecosystems to climatic variability and change, emphasizing sensitivities, thresholds, resistance, and resilience. The objective of the Western Mountain Initiative (WMI) is to More...
Publisher: USGS | Science Center: Northern Rocky Mountain Science Center (NRMSC, Bozeman) | Format: .PDF
www.nrmsc.usgs.gov — 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...
Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — The Department of the Interior's Amphibian Research and Monitoring Initiative (ARMI) is designed to determine where populations of amphibians are present, to monitor specific apex populations, and to investigate potential causes of decline and deformity. The Rocky Mountain Region of ARMI encompasses Montana, Wyoming, Colorado, and New Mexico. Two More...
Publisher: USGS | Science Center: Western Fisheries Research Center (WFRC, Seattle) | Format: URL
wfrc.usgs.gov — The goal of this study is to assess how fish migration behavior is influenced by a removable spillway weir (RSW). The approach path that the fish take at the dam should be improved due a change in the hydraulic environment (i.e., flow variables) caused by the RSW. As testing continues, it will be vital to understand why the RSW works in order to More...
Publisher: Academic Institution (University of Washington-Seattle Campus) | Format: URL
www.cfr.washington.edu — The Western Mountain Initiative is a team of USGS and USDA Forest Service scientists working together to better understand and predict the responses of Western mountain ecosystems to climatic variability and change, emphasizing sensitivities, thresholds, resistance, and resilience. This partner site links to information about WMI, the factsheet, More...
Publisher: USGS | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: URL
www.werc.usgs.gov — This issue overview describes Perennial pepperweed (Lepidium latifolium L.), also known as tall whitetop, as an invasive weed that is found throughout California and in all of the western United States and its effects on wildlife refuges. Native to portions of Europe and southwestern Asia, pepperweed was accidentally introduced into the United More...
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U.S. Geological Survey