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    Type of Resource

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    19 Resources for
    hypoxia
    Freshwater
    North America
    Insights
    January 7, 2014

    A New Strategy to Improve Water Quality—One Targeted Watershed at a Time

    • water pollution
    • hypoxia
    • Freshwater
    • Water Quality
    More than 15,000 streams, rivers, and lakes are too polluted with nutrient runoff to support wildlife, be enjoyed recreationally, or serve as a drinking water source. Photo credit: USDA
    • water pollution
    • hypoxia
    • Freshwater
    • Water Quality
    Freshwater
    Initiatives
    June 27, 2013

    Eutrophication and Hypoxia

    This website serves as an information portal about eutrophication—the over-enrichment of water by nutrients such as nitrogen and phosphorus—a leading threat to water quality around the world. Explore our interactive map and learn more.
    Freshwater
    North America
    Insights
    April 17, 2013

    Can Nutrient Trading Shrink the Gulf of Mexico's Dead Zone?

    • water pollution
    • hypoxia
    • Freshwater
    Dead fish resulting from toxins or oxygen depletion in Lake Binder, Iowa. Photo credit: Dr. Jennifer L. Graham, U.S. Geological Survey
    • water pollution
    • hypoxia
    • Freshwater
    Africa
    Data
    March 27, 2008

    Coastal Eutrophic and Hypoxic Areas of Africa

    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    Asia
    Data
    March 27, 2008

    Coastal Eutrophic and Hypoxic Areas of Asia

    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    Oceania
    Data
    March 27, 2008

    Coastal Eutrophic and Hypoxic Areas of Australia and Oceania

    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    Data
    March 27, 2008

    Coastal Eutrophic and Hypoxic Areas of Europe

    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    Latin America
    Data
    March 27, 2008

    Coastal Eutrophic and Hypoxic Areas of South America

    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    Latin America North America
    Data
    March 27, 2008

    Coastal Eutrophic and Hypoxic Areas of North America and the Caribbean

    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    Data
    January 23, 2008

    World Hypoxic and Eutrophic Coastal Areas

    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution
    • Ocean
    • Freshwater
    • hypoxia
    • Water Quality
    • water pollution

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