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  • Harvesting oysters in Chesapeake Bay 2012 using an oyster dredge
    Rights: Chesapeake Bay Program, Creative Commons Attribution-NonCommercial 2.0 Generic Published 11 January 2012 Size: 180 KB Referencing Hub media

    The depletion of oysters in Chesapeake Bay caused the ecosystem to collapse. Chesapeake Bay now has many kilometres of dead zones – hypoxic (low-oxygen) areas where marine life dies or leaves the area.

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