Watersheds

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  1. Potential Economic Impacts of Zebra Mussels on the Hydropower Facilities in the Columbia River Basin

    The purpose of this study was to estimate costs to the Federal Columbia River Power System hydroelectric projects in the event of a zebra mussel infestation.

  2. Prioritizing Zebra and Quagga Mussel Monitoring in the Columbia River Basin

    The purpose of this report is to provide a framework for the prioritization of water bodies in the Columbia River Basin and the Greater Northwest region (surrounding areas in Oregon, Washington, California,...

  3. Lower Columbia River Aquatic Nonindigenous Species Survey 2001-2004

    Rates of aquatic nonindigenous species (ANS) introductions and their social, economic, and ecological impacts are increasing. Introductions of nonnative marine organisms have increased exponentially over the...

  4. Final Report Regional Lake Management Planning for TMDL Development

    Since the mid-1900’s, invasive aquatic weeds have been a significant problem in many of the lakes of the Clatsop Plains on the northern Oregon Coast. Weeds interfere with beneficial uses, such as boating,...

  5. Guide for Developing Integrated Aquatic Vegetation Management Plans in Oregon

    This manual focuses on controlling nuisance aquatic plants, occurring in Oregon lakes. To use this manual, it is necessary to distinguish between an aquatic plant problem, and a water quality enrichment problem...

  6. Report on Nutria Management and Research in the Pacific Northwest

    The nutria (Myocastor coypus) is a large semi-aquatic mammal native to South America that has been introduced to numerous countries around the world, primarily for fur farming. Nutria were introduced in Oregon...

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