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Filtering by: Subject Orchards -- Oregon -- Willamette River Valley -- Planning Remove constraint Subject: Orchards -- Oregon -- Willamette River Valley -- Planning Location Willamette Valley, Oregon, United States, (Hypsographic) Remove constraint Location: Willamette Valley, Oregon, United States, (Hypsographic)

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  • Subsistence variability in the Willamette Valley

    Creator:
    Havercroft, Francine M.
    Abstract:
    During the summer of 1981, Oregon State University archaeologically tested three prehistoric sites on the William L. Finley National Wildlife Refuge. Among the sites tested were typical Willamette Valley floodplain and adjacent upland sites. Most settlement-subsistence pattern models proposed for the Willamette Valley have been generated with data from the...
    Resource Type:
    Masters Thesis
    Full Text:
    in the Willamette Valley by Francine M. Havercroft A THESIS submitted to Oregon State University

  • White-breasted nuthatch density and nesting ecology in oak woodlands of the Willamette Valley, Oregon

    Creator:
    Viste-Sparkman, Karen
    Abstract:
    Habitat loss causes a reduction in available resources for wildlife, alters the configuration of remaining habitat, and may isolate wildlife populations. White-breasted nuthatches (Sitta carolinensis) are experiencing long-term population declines in the Willamette Valley of Oregon, where they are historically associated with oak woodlands. As secondary cavity-nesters, white-breasted nuthatches may...
    Resource Type:
    Masters Thesis
    Full Text:
    : White-breasted Nuthatch Density and Nesting Ecology in Oak Woodlands of the Willamette Valley, Oregon