Browsing Theses, Dissertations and Student Research Papers (Rangeland Ecology and Management & Rangeland Resources) by Subject "Phosphorus -- Environmental aspects -- Oregon -- Tualatin River Watershed"

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Land use and nonpoint source phosphorus pollution in the Dairy-McKay hydrologic unit area of the Tualatin River Basin, Oregon

Wolf, Donald W. (1993-05-20)

Human activities may contribute to the eutrophication of surface waters by providing nutrients to aquatic ecosystems. Phosphorus is frequently identified as a nutrient that is limiting to most aquatic ecosystems under ...