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Safety in numbers? Not so for corals
Date:11/15/2013

l abundance. This density-independent mortality and physiological stress affects reproductive success and leads to the decline of corals. Some coral species are abundant across a broad geographic range, but the new findings show that this does not safeguard them against global threats, including changing ocean chemistry and rising temperatures.

Nearly all the assessments and evaluations of the risk of extinction for a species of coral are made on the basis of how scarce or restricted in range it is. However, the new findings highlight the vulnerability of abundant and widely dispersed corals as well as corals that are rare and/or have restricted ranges.

Moving forward, the authors hope to strengthen the case for directly addressing the global problems related to coral conservation. Though it is good to handle local problems, the authors stress, the handling of all the local problems will not be sufficient.


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Contact: Marcie Grabowski
mworkman@hawaii.edu
808-956-3151
University of Hawaii ‑ SOEST
Source:Eurekalert  

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