There's Been Another Mass Coral Bleaching Event On The Great Barrier Reef

Mar 12, 2017, 00:58
There's Been Another Mass Coral Bleaching Event On The Great Barrier Reef

It's that process that hit 93 percent of the Great Barrier Reef past year, causing almost a quarter of the coral to die off. However, the Chagos islands were said to have already been deprived of such pressures but remain susceptible to the effects of global warming and coral bleaching. The recurrence of widespread coral bleaching in back-to-back summers indicated there was not enough time between last year's extreme heat event for the corals to fully recover, said Neal Cantin from the Australian Institute of Marine Science (AIMS). These coral rely on microscopic algae embedded in their tissue to produce food via photosynthesis.

For the second year in a row, a mass coral bleaching made its way to the Great Barrier Reef.

A new survey will be conducted on the reef by Professor Terry Hughes of the ARC Centre of Excellence in Coral Reef Studies at James Cook University from Wednesday next week, and Hughes said the Great Barrier Reef is in trouble.

White corals mean that they are dying. and coral bleaching has been aggressive in Australia and other parts of the globe. This is the result of 12 months of above average sea temperatures across the Reef.

"In these photos almost 100% of the corals are bleaching, and who knows how many will recover".

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Brett Monroe Garner, a conservation photographer and marine biologist documenting the bleaching with Greenpeace, said: 'I've been photographing this area of the reef for several years now and what we're seeing is unprecedented. For scientists who have studied the reef for years, that development brought them to tears because it foretold what the future holds for the reef unless carbon pollution is cut.

The U.S. National Oceanic and Atmospheric Administration's Coral Reef Watch warned of an increased threat for coral bleaching during the warmer months of 2017. Scientists working with the World Weather Attribution team revealed that climate change made the warm waters that caused the bleaching a year ago up to 175 times more likely.

Bleaching warnings and alerts over the past 90 days. If water temperatures don't return to normal within 6-8 weeks of the bleaching, the coral dies. "It's the one that won't go away". Reefs also provide protection from storm surge and for crucial fisheries around the globe. Also, there is no way to know how many could recover as algae have been overgrowing on numerous corals already.

He said not all bleached coral would die, and past year revealed bleaching and mortality could be highly variable across the vast marine park, a World Heritage Site which covers an area larger than Italy.