National Geographic
Concrete to Help Gulf Oysters | National Geographic
November 11, 2010---Oysters reefs along the Louisiana coast were once so pervasive they blocked shipping traffic. But over harvesting and pollution have diminished the reefs. The recent oil spill contributed to oyster kills, but scientists are working to restore the oyster habitat.
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Concrete to Help Gulf Oysters | National Geographic
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Published Nov 17, 2010