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Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — The NAAMP is a collaborative effort among regional partners, such as state natural resource agencies and nonprofit organizations, and the U.S. Geological Survey (USGS) to monitor populations of vocal amphibians. The USGS provides central coordination and database management. The regional partners recruit and train volunteer observers to collect 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...
June 25 2009 | Publisher: USGS | Format: AUDIO
gallery.usgs.gov — This sound recording is an interview with USGS scientist Sam Droege about the tremendous importance of native bees and pollinators in general. The interview was held during the 2009 Pollinator Week.
2008 | Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — With the exception of Aspen, coniferous species dominate the forests of the Rocky Mountains (Populus tremuloides Michx.; Peet, 2000). The establishment of new aspen stands in the central Rocky Mountains generally follows major disturbances, particularly forest fires, with new stems sprouting from surviving root systems and with rare establishment 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...
2007 | Publisher: Other (Ecological Society of America) | Format: .PDF
www.nrmsc.usgs.gov — Every winter, government agencies feed ;6000 metric tons (63 106 kg) of hay to elk in the southern Greater Yellowstone Ecosystem (GYE) to limit transmission of Brucella abortus, the causative agent of brucellosis, from elk to cattle. Supplemental feeding, however, is likely to increase the transmission of brucellosis in elk, and may be affected by More...
Publisher: USGS | Science Center: Northern Rocky Mountain Science Center (NRMSC, Bozeman) | Format: URL
www.nrmsc.usgs.gov — This summary describes limber pine habitat, distribution, mortality, and interralationship with bears and squirrels. The extensive damage of blister rust infection is also described, with a table of preliminary data on the status of and effect of blister rust on limber pine (Pinus flexilus) stands sampled.
Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — Encroaching development, overuse, and air- and waterborne contaminants from outside park boundaries are causing noticeable changes to water quality and ecosystem health and functioning. The Front Range metropolitan area from Fort Collins south to Colorado Springs includes 75 percent of Colorado's population and its most productive agricultural More...
Publisher: USGS | Science Center: Northern Rocky Mountain Science Center (NRMSC, Bozeman) | Format: URL
nrmsc.usgs.gov — This research summary gives an overview of sign surveys to detect bear population trends in designated wilderness and national park lands. The Northern Continental Divide Ecosystem has the best long-term prospects of supporting a viable grizzly bear population among the six areas designated as grizzly bear recovery zones in the United States. Yet More...
Publisher: USGS | Science Center: Northern Rocky Mountain Science Center (NRMSC, Bozeman) | Format: .PDF
nrmsc.usgs.gov — This web publication describes the Noninvasive Methods to Monitor Bear Population Trends. The U.S. Geological Survey is beginning a new grizzly bear research project this summer in the Northern Continental Divide Ecosystem (NCDE) of northwestern Montana. This work is based on hair collection and DNA analysis methods similar to those used in the More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.mbr-pwrc.usgs.gov — This website is a tool useful for learning about birds. Users can learn about common United States and Canadian Birds through pictures, songs, and using identification tips. The site also links to Central American Birds, with Songs and Photographs of Selected Species that Breed in Central America. Users may also access a frames-based bird More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
137.227.242.23 — This website is a map which displays data related to Breeding Bird Species Lists. By clicking on the map, users will be given a species list for the location, with estimated local abundances and links to species information.
U.S. Department of the Interior |
U.S. Geological Survey