By BRIAN SKOLOFF
The Associated Press
Monday, January 24, 2011; 5:40 AM

MOBILE, Ala. -- Volunteers from across the country are rebuilding oyster reefs along the Gulf of Mexico's delicate shoreline, hoping to revive oyster beds under assault for decades from overharvesting, coastal development, pollution, and most recently the BP oil spill.

The waters harbor much of the world's last remaining productive natural oyster beds, but BP PLC's April 20 oil well blowout dumped millions of gallons of crude into the Gulf and dealt yet another blow to the once bountiful habitat.

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