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New study shows that Florida's reefs cannot endure a 'cold snap'
Date:8/26/2011

es to an all-time low of 30F (1C) and dropping ocean temperatures to a chilly 51F (11C).

"The 2010 cold-water anomaly not only caused widespread coral mortality but also reversed prior resistance and resilience patterns that will take decades to recover," the study's authors conclude.

Florida's reefs are located in a marginal environment at the northernmost limit for coral development. Corals have adapted to a specific temperature range and are typically not found in areas where water temperatures drop below 60F (16C).

Changes in climate patterns as well as others impacts, such as coastal development, pollution, overfishing and disease have put added stress on coral reefs worldwide. The authors cite the need to improve ecosystem resilience through reef restoration, pollution reduction efforts and the use of management tools, such as marine protected areas, in order for coral reefs to survive future large-scale disturbances.

"We can't protect corals from such an extreme event but we can mitigate other stresses to help them recover," said Lirman.


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Contact: Barbra Gonzalez
barbgo@rsmas.miami.edu
305-421-4704
University of Miami Rosenstiel School of Marine & Atmospheric Science
Source:Eurekalert  

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