Scientists say Australia's Great Barrier Reef suffered worst-ever coral bleaching

Great Barrier Reef in Australia has suffered its most widespre case of coral bleaching on record. According to reports, scientists anunced on April 7 that threat that climate change posed to world’s living organism was incredibly severe. This is third mass bleaching occurred in last five years.

Great Barrier Reef in peril

As per reports, coral bleaching occurs when healthy corals become stressed due to changes in ocean temperatures. stress causes m to expend algae that usually live in ir tissue and thus draining m of ir vibrant colour. According to reports, James Cook University professor Terry Hughes has claimed that his team has surveyed 1,036 reefs from air during last two weeks of March so that y could measure exact extent and severity of coral bleaching. According to reports, Hughes has said that this is first time on record that bleaching has occurred on all three major sections of Great Barrier Reef, rrn, central and even large parts of sourn sectors have undergone bleaching.

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dam started back in February as month brought highest recorded water temperatures since Australia began keeping a record in 1900. reef is worth a whopping $4 billion a year in tourism revenue for Australia and its ecomy. But presently Great Barrier Reef is at risk of being severely damd because of warmer oceans caused by climate change.

Meanwhile, research released on February 17 at annual Ocean Sciences Meeting in San Diego revealed that climate change could destroy all remaining coral reefs by end of century. It was found that increase in ocean temperatures poses a huge threat to corals. According to study, warmer temperatures boost m to release symbiotic algae that bleach m making m vulnerable and puts m at higher risk of death. 

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(Im Credit AP)