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Invasive Species

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Closeup image of Corbicula fluminea clams.

Trace Metals in San Francisco Bay Clams

The clams Potamocorbula amurensis and Corbicula fluminea were collected at a variety of sites in the San Francisco Bay/ Delta beginning July 1990 and ending February 2010. These invasive species were used as biosentinels of the fate, transport, and effects of trace metals in the San Francisco Bay ecosystem.
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Water Resources Mission Area, San Francisco Bay and Sacramento-San Joaquin Delta Estuary
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Trace Metals in San Francisco Bay Clams

The clams Potamocorbula amurensis and Corbicula fluminea were collected at a variety of sites in the San Francisco Bay/ Delta beginning July 1990 and ending February 2010. These invasive species were used as biosentinels of the fate, transport, and effects of trace metals in the San Francisco Bay ecosystem.
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Photo of Gary City Hall redevelopment including rain garden

Urban Waters Federal Partnership—Little Calumet River (Northwest Indiana)

The USGS works with a wide range of cooperators to investigate many aspects of water quality. The newly integrated USGS Ohio-Kentucky-Indiana Water Science Center is assisting in furthering urban water-quality research in Northwest Indiana.
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Water Resources Mission Area, National Water Quality Program
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Urban Waters Federal Partnership—Little Calumet River (Northwest Indiana)

The USGS works with a wide range of cooperators to investigate many aspects of water quality. The newly integrated USGS Ohio-Kentucky-Indiana Water Science Center is assisting in furthering urban water-quality research in Northwest Indiana.
Learn More