Status and Trends

Reports & Publications

None

Subtopics

Mammals

Related Subjects

Monitoring black-footed ferrets during reestablishment of free-ranging populations: Discussion of alternative methods and recommended minimum standards

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...

Vegetation responses to natural regulation of elk in Rocky Mountain National Park

1999 | Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL

www.fort.usgs.gov — A quasi-experimental situation exists in Rocky Mountain National Park, where elk (Cervus elaphus) populations have increased 3-fold since 1968 following their release from artificial controls within the park. Increases in elk habitat use and decreases in deer habitat use were observed. Significant increases in cover of mosses and lichens occurred More...

Conservation of Sagebrush Ecosystems and Wildlife

Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL

www.fort.usgs.gov — Sagebrush ecosystems are diverse habitats found throughout western North American that support a variety of flora and fauna. Home to unique wildlife such as Sage-grouse, Sage Thrashers, Brewer's Sparrows, Ferruginous Hawks, and pygmy rabbits, these ecosystems have undergone intense changes since the time when millions of bison roamed the plains. More...