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Browsing by Subject "Pesticides"
Now showing items 1-16 of 16
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(Corvallis, Or. : Extension Service, Oregon State University, 1974-04)
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(2009-10-15)The potential impact of chemical contaminants and conservation practices on amphibians in agricultural landscapes is a key research topic globally. Amphibians represent a common group in many freshwater systems and are c ...
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(1970-06-26)The impact that pesticides may have had on the mortality rates and productivity rates of non-game birds during the last 25 years was evaluated by studying the population dynamics of 16 species. A mathematical model showi ...
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(Corvallis, Or. : Extension Service, Oregon State University, 1987-03)
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(Corvallis, Or. : Extension Service, Oregon State University, 1974-02)
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([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1926-02)
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(2009-07-24)Pesticides can often be toxic and for this reason their methods and quantities of application are extremely regulated. Pesticide applicators are at risk of permanently damaging their health from exposure to pesticides. ...
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(Corvallis, Or. : Agricultural Experiment Station, Oregon State University, 1960-10)
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(Corvallis, Or. : Oregon Agricultural College Experiment Station, 1924-01)
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(U.S. Dept. of the Interior, U.S. Geological SurveyBranch of Information Services [distributor], 1997)The purposes of this report are to describe the quality of shallow ground water in alluvial aquifers of the Willamette Basin and to identify relationships between shallow ground-water quality and various natural and anth ...
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(U.S. Dept. of the Interior, U.S. Geological Survey ; Information Services, 1999)The U.S. Geological Survey (USGS) has worked cooperative with the Unified Sewerage Agency of Washington County (USA) since 1990 to assess water quality in the Tualatin River Basin. The objectives of this study were to: a ...
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(2007-12-03)Abstract Watershed-scale fate/transport modeling of contaminants is a tool that scientists and land managers can use to assess pesticide contamination to stream systems. The Catchment Modeling Framework (CMF) is a catchm ...
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(Corvallis, Or. : Oregon Agricultural Experiment Station, 1896-02)
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(Corvallis, Or. : Agricultural Experiment Station. Oregon State Agricultural College., 1930-02)
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(National Water-Quality Assessment ProgramFish and Wildlife Service, 1997)This report reviews and summarizes available information on aquatic biological communities in the Willamette Basin through 1995. Specifically, the report describes (1) the distribution, abndance, and trends of three taxo ...
Now showing items 1-16 of 16
