Great Barrier Reef in trouble

 

Great Barrier Reef by Shutterstock.

These are not great times for coral reefs around the world. Coral reefs in the Caribbean are collapsing due to climate change and this new report from Australia is bad news as well. The Guardian:

Coral cover in the Great Barrier Reef has dropped by more than half over the last 27 years, according to scientists, a result of increased storms, bleaching and predation by population explosions of a starfish which sucks away the coral’s nutrients.

At present rates of decline, the coral cover will halve again within a decade, though scientists said the reef could recover if the crown-of-thorns starfish can be brought under control and, longer term, global carbon dioxide emissions are reduced.

“This latest study provides compelling evidence that the cumulative impacts of storms, crown-of-thorns starfish (Cots) and two bleaching events have had a devastating effect on the reef over the last three decades,” said John Gunn, chief executive of the Australian Institute of Marine Science.


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