Ecology

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The department's teaching and research addresses critical ecological and natural resources issues for Montana, but also tackles fundamental and applied questions around the globe. Undergraduate programs within the department include Fish & Wildlife Management and Ecology, Conservation Biology and Ecology, Organismal Biology, and Biology Teaching. Graduate programs (M.S. and P.hD.) include Fish & Wildlife Management or Biology and Biological Sciences and an intercollege PhD in Ecology and Environmental Sciences.

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    Whitebark Pine Community Processes, Environment And Human Impacts: Revisiting MSU work of 1971-2000.
    (Montana State University, 2022) Weaver, T.
    Revisiting 30 years of whitebark pine (WBP, Pinus albicaulis)/30 WBP papers, using a sample of 47 stands, I document the remarkable openness of WBP stands. We show strong self thinning and seedling failure, related to soils, not light and ongoing production/decomposition though 600 years. WBP's remarkable multiple stemmed trees arise from seed caches/poly-embryony combined with lack of light competition. WBP's usual timberline range seems limited upward by growing season length, wind, growing season length, and soil condition and downward by competition, none much directly temperature related. Human impacts discussed include foraging, trampling/compaction, exotic invasion, and white pine blister rust. These may be significantly ameliorated by introduction of genes from resistant European stone pine species.
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