Oyster Aquaculture Offers Hope for Louisiana Fishery
Among the most serious environmental consequences of last year’s Deepwater Horizon oil spill in the Gulf of Mexico was the damage done to Louisiana’s oyster beds, one of the world’s last thriving wild oyster fisheries. In many areas, 60 to 80 percent of the oysters were wiped out, not by oil, but by the massive infusion of freshwater diverted from the Mississippi River into wetlands in an effort to keep oil from the coast. As a result, oysters were killed en masse by the reduced salinity.
In this Yale Environment 360
video, journalist Jon Brand reports on an experimental oyster farm and hatchery on Grand Isle, Louisiana, that offers hope for a smoother recovery for the Gulf’s oysters and its oystermen. At the hatchery, where they raise oysters suspended in the Gulf’s waters, Louisiana State University marine biologist John Supan and his colleagues are optimistic that while oyster aquaculture will never replace traditional methods of harvesting oysters in Louisiana, it could supplement them and take pressure off the struggling wild oyster fishery.
29 May 2011
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One Year Later: Assessing the
Lasting Impact of the Gulf Spill
The worst fears about the long-term damage from the BP oil spill have not been realized. But, Carl Safina writes, the big challenge is more fundamental: repairing the harm from the dams, levees, and canals that are devastating the Mississippi Delta and the Louisiana coast.
The Legacy of the Gulf Spill:
What to Expect for the Future?
The Gulf of Mexico’s capacity to recover from previous environmental assaults provides encouragement about the prospects for its post-Deepwater future. But scientists remain worried about the BP spill's long-term effects on the health of the Gulf and its sea life.
In Search of New Waters,
Fish Farming Moves Offshore
As wild fish stocks continue to dwindle, aquaculture is becoming an increasingly important source of protein worldwide. Now, John McQuaid reports, a growing number of entrepreneurs are raising fish in large pens in the open ocean, hoping to avoid the many environmental problems of coastal fish farms.
When The Water Ends:
Africa’s Climate Conflicts
As temperatures rise and water supplies dry up, semi-nomadic tribes along the Kenyan-Ethiopian border increasingly are coming into conflict with each other. A Yale Environment 360
video report from East Africa focuses on a phenomenon that climate scientists say will become more and more common: how worsening drought will pit groups — and nations — against one another.
Leveling Appalachia: The Legacy
of Mountaintop Removal Mining
During the last two decades, mountaintop removal mining in Appalachia has destroyed or severely damaged more than a million acres of forest and buried nearly 2,000 miles of streams. This video, produced by Yale Environment 360
, offers a first-hand look at mountaintop removal and what is at stake for Appalachia’s environment and its people.
Yale Environment 360 is
a publication of the
Yale School of Forestry
& Environmental Studies
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