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Filtering by: Creator Frost, Bruce W. Remove constraint Creator: Frost, Bruce W. Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.) Subject Reforestation -- Oregon Remove constraint Subject: Reforestation -- Oregon

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  • Effects of prescribed cattle grazing on reforestation in Oregon's southern Cascades

    Creator:
    Karl, Michael G.
    Abstract:
    Reforesting harvested lands in southwestern Oregon has been difficult because of low rainfall, high evaporative demand, and competitive understory vegetation. Herbicides have been a preferred method to control competing vegetation but herbicide use on federal lands was curtailed in 1984. As a result, interest in livestock grazing as a vegetation...
    Resource Type:
    Dissertation
    Full Text:
    frost were major causal factors in ponderosa pine and Douglas-fir mortality, respectively. Competition