'Tragedy' on the Great Barrier Reef as coral bleaching devastates for second year
 

'Tragedy' on the Great Barrier Reef as coral bleaching devastates for second year
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Little of Australia's Great Barrier Reef has **w been left unscathed by coral bleaching.

A recent aerial survey by scientists at the ARC Centre of Excellence for Coral Reef Studies has found the phe**me**n leaving vast stretches of corals bone-white for the second year in a row.

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A global bleaching event in 2016 saw an average of 67 percent of corals lost in the **rth of the reef, and scientists hoped 2017 would offer the delicate ecosystem a reprieve. The survey showed the opposite.

In 2017, scientists found the middle reef worst hit, leaving only its southern reaches untouched. This means two thirds of the reef's corals have **w been impacted by coral bleaching in a zone stretching for 1,500 km (900 miles).* Read more...

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