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Filtering by: Committee Member Cohen, Warren B. Remove constraint Committee Member: Cohen, Warren B. Advisor Mccune, Bruce Remove constraint Advisor: Mccune, Bruce

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  • Lichen communities and caribou habitat in Denali National Park and Preserve, Alaska, USA

    Creator:
    Nelson, Peter R.
    Abstract:
    Lichens play many important roles in subarctic terrestrial ecosystems by fixing nitrogen, colonizing rock and gravel, stabilizing otherwise bare soil, adding significantly to vegetation biodiversity and serving as the primary food for caribou in the winter. In these chapters, I analyzed lichen community and ecological trait structure along environmental gradients,...
    Resource Type:
    Dissertation
    Full Text:
    . ............................................141   8 9 Figure B: Estimated probability of caribou occurrence as a function of elevation