Browsing Geography Theses and Dissertations by Subject "Plants -- Effect of human beings on -- Oregon -- Willamette River Valley"

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Natural and Anthropogenic Influences on the Holocene Fire and Vegetation History of the Willamette Valley, Northwest Oregon and Southwest Washington

Walsh, Megan Kathleen, 1976- (University of Oregon, 2008-12)

The debate concerning the role of natural versus anthropogenic burning in shaping the prehistoric vegetation patterns of the Willamette Valley of Oregon and Washington remains highly contentious. To address this, pollen ...