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Creator:: Halofsky, Joshua S.
Abstract:: According to general top-down trophic theory, in the presence of carnivores, herbivore behavior and/or densities could change and result in an overall decrease in herbivory on plant communities. In this dissertation, I examined the potential relationship between gray wolf (Canis lupus) presence and absence on elk (Cervus elaphus) herbivory of...
Resource Type:: Dissertation
Full Text:: the Gallatin elk winter range of northwestern Yellowstone National Park, USA. From aspen data, I

Creator:: Larsen, Eric J.
Abstract:: Aerial photographs and field sampling were used to compare aspen (Populus tremuloides) age structure and stand conditions on elk winter range in the northern Yellowstone ecosystem. The elk winter ranges studied were the northern range in Yellowstone National Park (YNP) and the Gallatin National Forest and the Sunlight/Crandall elk winter...
Resource Type:: Dissertation

Creator:: Hollenbeck, Jeff P., 1967-
Abstract:: I conducted a multi-scale evaluation of aspen – bird relationships in the northern ungulate winter range of the northern Yellowstone ecosystem during June 2001-03. Questions addressed were: (1) Does bird diversity increase with conifer presence in aspen stands? (2) Given known habitat selection cues, are migrating birds passively intercepted by...
Resource Type:: Dissertation
Full Text:: . Historic aspen recruitment, elk, and wolves in northern Yellowstone National Park, USA. Biological

Creator:: Painter, Luke E.
Abstract:: Reintroduction of wolves to Yellowstone National Park (YNP) in 1995-96 provided a rare opportunity to observe the response of an ecosystem to the return of a top predator, including possible reversal of decades of decline of aspen, cottonwood, and tall willows suppressed by intensive herbivory on elk winter ranges. To...
Resource Type:: Dissertation
Full Text:: : William J. Ripple Reintroduction of wolves to Yellowstone National Park (YNP) in 1995-96 provided a

Creator:: Cooper, Kevin Craig
Abstract:: Seasonal movements, habitat use, home range selection, and group interactions of Roosevelt elk (Cervus elaphus roosevelti) were studied in the upper White River watershed in west-central Washington. Over 2000 locations of 14 elk were recorded by radio-telemetry from April 1983 to December 1984. During winter, two herds used clearcut lands...
Resource Type:: Masters Thesis

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