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Filtering by: Creator Kurtz, Andrew Remove constraint Creator: Kurtz, Andrew Advisor Perakis, Steven S. Remove constraint Advisor: Perakis, Steven S. Degree Name Master of Science (M.S.) Remove constraint Degree Name: Master of Science (M.S.)

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  • Tree species-soils relationships in old-growth forests of the Oregon Coast Range

    Creator:
    Cross, Alison
    Abstract:
    Tree species directly and indirectly affect soil nutrient cycles. I sought to characterize soils and foliage associated with four common canopy tree species (Douglas-fir, western hemlock, western redcedar, and bigleaf maple) in mixed-species old-growth forests of the Oregon Coast Range and to determine whether and how soils differ among the...
    Resource Type:
    Masters Thesis
    Full Text:
    (Bray and Kurtz 1945). Bray-1 (0.03 N NH4F-0.025 N HCl) extracting solution solubilizes P adsorbed to