In Australia there is one of the most great reserves of coral, the Australia's Grat Barrier Reef. The most untouched par tof it has a severe bleaching, is the most severe bleaching in its history.
There was make a footage, which filmed over 500 coral reefs durig six days, from Cairns to Paupa New Guinea, and this footage shows that the 95% of the coral area is white and yellow.
Scientists say that this bleaching happens because of the rising water temperatures. The reaction of the coral, under stress, drives out living algae, causing it to calcify, and part of that is down to the current El Niño climate cycle.
They say that if the World Heritage Site doesn't get a brak in the weather conditions within weeks, some coral areas are unlikely to survive. The World Meteorological Organisation says a break in temperatures is unlikely, as this year looks set to be the hottest on record.
The Great Barrier Reef stretches 1,200 miles (1,931 kilometres) along Australia's northeast coast and is the world's largest living ecosystem.
Source: www.ondemandnews.com
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