The world's largest coral reef is dying

Recent statistics have shown that nearly 70% of shallow coral species at the northern point of the Great Barrier Reef are bleached.

According to Engadget, in 2016, the Great Barrier Reef lost many coral areas due to bleaching , more than any other year. The northern region is where the worst happens: an area stretching 700km from the coral reef has lost 67% of shallow coral reefs in the last 9 months.

Great Barrier Reef is a glorious time.(IBorisoff photo).

The situation in the central and southern Great Barrier Reef region seems to be better, losing only 6% and 1% of coral in turn, respectively. "Currently, corals have regained their vibrant colors. and the coral reefs are in good condition , " said ARC Center professor Andrew Baird.

Bleaching happens when the water temperature rises and becomes too warm, causing the coral to "expel" zooxanthellae (a single-celled algae that helps them color and provide coral food. ). Therefore, the coral turns white and will be extremely weak, though not completely dead. If surviving enemies and illnesses, they can be revived, although researchers from the ARC Center said it would take 10 to 15 years to restore the northern corals. An additional bleaching event will, of course, slow down the recovery process.

And after being bleached.(Photo ReefNation).

This is the third time this phenomenon of the Great Barrier Reef has occurred, after less serious events in 1998 and 2002. This phenomenon of coral bleaching is a sign that our planet is heating up. day by day - mainly due to human activity.