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Filtering by: Alternative title ssim Special report 849 Remove constraint Alternative title ssim: Special report 849 Location Willamette Valley, Oregon, United States, (Hypsographic) Remove constraint Location: Willamette Valley, Oregon, United States, (Hypsographic) Resource Type Dissertation Remove constraint Resource Type: Dissertation

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  • Landscape Genomics and Climatic Responses of Willamette Valley Alders

    Creator:
    Kral, George L.
    Abstract:
    The climate of the Pacific Northwest is in flux, and existing forest ecosystems are stressed and poised to shift in fundamental ways, with or without human intervention. This dissertation probes the nature of forest responses to environmental change through investigations of morphology and genetics of three species of alder co-occurring...
    Resource Type:
    Dissertation
    Full Text:
    know that you are often in my thoughts and always in my heart. A special thanks to my daughter Wendy

  • Decomposition of Brassicaceae Residue in the Willamette Valley

    Creator:
    Berry, Pete A.
    Abstract:
    An important inoculum source of Leptosphaeria maculans and L. biglobosa (syn Plenodomus spp.), the pathogens that cause black leg in Brassicaceae crops, is infected plant residues. The general acceptance of conservation tillage in the Willamette Valley, Oregon, USA, has enabled a build-up in the amount of residue on or near...
    Resource Type:
    Dissertation
    Full Text:
    acknowledged. However, I want to make special mention of several individuals who were especially important