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No-take zones offer no boost for bleached reefs
Date:8/27/2008

Conservation zones are in the wrong place to protect vulnerable coral reefs from the effects of global warming, an international team of scientists warned today.

Now the team led jointly by Newcastle University and the Wildlife Conservation Society, New York say that urgent action is needed to prevent the collapse of this important marine ecosystem.

The research, published today in the journal PLoS ONE, is the largest study of its kind to have been carried out, covering 66 sites across seven countries and spanning over a decade in the Indian Ocean.

Current protection zones or 'No-take areas' (NTAs) were set up to protect fish in the late 1960s and early 1970s, before climate change was a major issue.

The team which comprises of experts from the UK, Australia, the US, Sweden and France found the small-scale zones were not working to protect coral reefs against the effects of climate change.

They conclude that while the existing zones should not be removed, new areas are needed in the right place to protect corals against the effects of rising temperatures.

And they say that managing the system as a whole is crucial if coral reef communities are to have any hope of surviving the effects of global warming.

Lead researcher Nick Graham, of Newcastle University's School of Marine Science and Technology, said: "We need a whole new approach and we need to act now.

"Our research shows that many of the world's existing no-take areas are in the wrong place.

"New protected zones are needed that focus on areas identified as escaping or recovering well from climate change impacts. But a major focus needs to be shifted towards increasing the resilience of the system as a whole that means reducing as many other locally derived threats as possible.

"Coral dies when it is put under stress so what we need to be doing is reducing the direct human impact such as over-fishing, pollution and
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Contact: Nicholas Graham
N.A.J.Graham@newcastle.ac.uk
01-912-227-850
Newcastle University
Source:Eurekalert

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