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Filtering by: Committee Member Hughes, Paul S. Remove constraint Committee Member: Hughes, Paul S. Subject Aspen -- Ecology -- Yellowstone National Park Remove constraint Subject: Aspen -- Ecology -- Yellowstone National Park

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  • 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
    Full Text:
    Joshua S. Halofsky for the degree of Doctor of Philosophy in Forest Resources presented on April 19