Chilton-Radandt, S. A. Courville, M. A. Haroldson, R. B. Harris, J. Jonkel, B. Mclellan, M. Madel, and T. L. Manley. 2012. Grizzly bear population vital rates and trend in the Northern Continental Divide Ecosystem, Montana. The Journal of Wildlife Management 76:119-128....
Montana Logging Project Draws Suit Alleging Harm to Grizzlies for the District of Montana.\nThe Center for Biological Diversity, Alliance for the Wild Rockies, and three other groups told the court that the population of grizzly bears in the Cabinet-Yaak Mountains in the forest is\ndeclining. ...
HU Roth - 《Bears Their Biology & Management》 被引量: 0发表: 1980年 A Selection of Papers from the Fourth International Conference on Bear Research and Management, Kalispell, Montana, USA, February 1977 || The Reintroduction of Orphaned Grizzly Bear Cubs into the Wild Several techniques can ...
population analysis of the Yellowstone grizzly bears Grizzly bears (brown bears; Ursus arctos) are imperiled in the southern extent of their range worldwide. The threatened population in northwestern Montana,... J Craighead - 《Mont for Conserv Exp Stn Bull》 被引量: 413发表: 1974年 Hazards Af...
Blanchard BM, Knight RR (1991) Movements of Yellowstone grizzly bears. Biol Cons 58:41–67 Article Google Scholar Brussart PF (1984) Geographic patterns and environmental gradients: the central-marginal model in Drosophila revisited. Ann Rev Ecol Syst 15:25–64 Article Google Scholar Bush KL...
Table 1 Sampling effort and number of individual grizzly bears detected at natural bear rub sites monitored in the Northern Continental Divide Ecosystem in northwestern Montana, USA during 2004, 2009–2012. Full size table Genetic analysis Hair samples were analyzed by a laboratory that specialized in...
Grizzly bears are protected under the federal Endangered Species Act. But according to Zack Strong, writing for the Natural Resources Defense Council, Montana’s governor brought together a Citizen’s Advisory Council in case the federal protections are removed. One of the issues they’re struggling...
Proctor MF, McLellan BN, Strobeck C, Barclay RM (2005) Genetic analysis reveals demographic fragmentation of grizzly bears yielding vulnerably small populations. Proc R Soc B 272:2409–2416 ArticlePubMedPubMed Central Remington TE, Braun CE (1985) Sage grouse food selection in winter, North Par...
Protected areas are important in species conservation, but high rates of human-caused mortality outside their borders and increasing popularity for recreation can negatively affect wildlife populations. We quantified wolverine (Gulo gulo) population tren
The reasons for this imbalance are not completely understood but the major one may be that there are no longer any predators capable of routinely killing bison. Wolves and grizzly bears do kill bison, especially their calves and the old and sick, but not enough to reduce their effect on the...