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Filtering by: Creator Halofsky, Joshua S. Date issued sim 2007-04-19

Evidence of a trophic cascade among wolves, elk, and aspen in Yellowstone National Park, USA

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