Wednesday, August 08, 2007

Coral reefs dying faster than expected

By MICHAEL CASEY, AP Environmental Writer

BANGKOK, Thailand - Coral reefs in much of the Pacific Ocean are dying faster than previously thought, according to a study released Wednesday, with the decline driven by climate change, disease and coastal development.
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Researchers from the University of North Carolina in Chapel Hill found that coral coverage in the Indo-Pacific — an area stretching from Indonesia's Sumatra island to French Polynesia — dropped 20 percent in the past two decades.

About 600 square miles of reefs have disappeared since the 1960s, the study found, and the losses were just as bad in Australia's well-protected Great Barrier Reef as they were in poorly managed marine reserves in the Philippines.

"We found the loss of reef building corals was much more widespread and severe than previously thought," said John Bruno, who conducted the study along with Elizabeth Selig. "Even the best managed reefs in the Indo-Pacific suffered significant coral loss over the past 20 years."

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