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Filtering by: Subject Gray wolf -- Effect of fires on -- Waterton-Glacier International Peace Park (Mont. and Alta.) Remove constraint Subject: Gray wolf -- Effect of fires on -- Waterton-Glacier International Peace Park (Mont. and Alta.) Peer Reviewed No Remove constraint Peer Reviewed: No

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  • Complexity of food web interactions in a large mammal system

    Creator:
    Eisenberg, Cristina
    Abstract:
    Food webs consist of a combination of bottom-up (resource-driven) and top-down (predator-driven) effects. The strength of these effects depends on the context in which they occur. I investigated food web (trophic) relationships between wolf (Canis lupus) predation, elk (Cervus elaphus) herbivory, aspen (Populus tremuloides Michaux) recruitment, and fire. The study...
    Resource Type:
    Dissertation
    Full Text:
    ), regardless of wolf population density. Fire had a negative effect on elk density and a positive effect on