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Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — USGS researchers are investigating the potential behavioral impacts of fertility control treatments as well as population dynamics and demographics in wild horse herds. Largely unchecked by natural predators, wild horse populations grow at rates of 18-25 percent per year. The Bureau of Land Management (BLM) is mandated by law to manage these More...
Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — The research content on this website discusses the growth rate of wild horses and the importance of counting America's wild horses in order to better estimate for population management. This resources also talks about combining resources and techniques and the challenges in counting techniques, and trapping and gathers. The site also links to More...
Publisher: USGS | Science Center: Alaska Science Center (ASC, Anchorage) | Format: URL
alaska.usgs.gov — USGS attached satellite radio-tags to 10 adult walruses (both males and females) to map walrus foraging locations within the St. Lawrence Island polynya. The radio-tags characterized hourly walrus foraging status and provided animal location estimates for 6 to 8 weeks. These data will be used with data from benthic samples collected in the same More...
Publisher: NBII | Format: URL
pollinators.nbii.gov — The global declines in many kinds of pollinator species could potentially impact the global food supply, as many plants depend upon specific pollinators to reproduce. The Web site of the NBII Pollinators Project provides access to information about the biology, ecology, conservation status, and threats to native pollinators, pollinator-dependent More...
Publisher: USGS | Science Center: Florida Integrated Science Center (FISC, Gainesville) | Format: URL
fl.biology.usgs.gov — Web page for the Sirenia Project, a USGS Florida Integrated Science Center project that conducts studies on the West Indian manatee (Trichechus manatus). Includes links to manatee research in the news, international research, publications and presentations, and project staff contact information.
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...
Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — This publication is intended to provide a summary of long-range surveillance radar technology and applications of these data to questions about movement patterns of birds and other flying wildlife based on publications that provide more detailed information (Buurma, 1995; Gauthreaux and Belser, 2003a, b; Gauthreaux and others, 2003; Diehl and More...
Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — USGS scientist Craig Allen, along with Tom Swetnam of the University of Arizona Laboratory of Tree-Ring Research, Scott Anderson of Northern Arizona University, and others, have been developing landscape-level fire histories in the Jemez and Sangre de Cristo Mountains of northern New Mexico. These histories are compiled using charcoal deposits More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — Dr. Howard Ginsberg is studying the transmission of Lyme disease spirochetes in nature using ecological studies of ticks and their vertebrate hosts, and models of spirochete transmission dynamics. Environmental factors that influence tick populations apparently operate on a regional scale. Distribution of vertebrate hosts plays a role in tick More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — BEST Large River Fish Health Data Query Tool provides a simplified portal for accessing database that serves fish health endpoints measured through the Biomonitoring of Environmental Status and Trends (BEST) Project's Large River Monitoring Network (LRMN). The tool allows the user to search the database by species, chemical, river basin, sampling More...
September 16 2008 | Publisher: USGS | Science Center: Northern Rocky Mountain Science Center (NRMSC, Bozeman) | Format: .PDF
www.nrmsc.usgs.gov — It has been estimated that 765 grizzly bears reside in northwest Montana. USGS biologist Katherine Kendall at Northern Rocky Mountain Science Center (NOROCK) has been actively photographing and recording grizzly bears and black bears with remote cameras. Using hair snag samples collected from barbed wire hair traps and bear rub trees for genetic More...
June 20 2008 | Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — This report provides a preliminary review of adaptation options for climate-sensitive ecosystems and resources in the United States. The term "adaptation" in this document refers to adjustments in human social systems (e.g., management) in response to climate stimuli and their effects. Since management always occurs in the context of desired More...
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U.S. Geological Survey