The Great Barrier Reef—which, at 1,400 miles long, is the longest and largest coral reef in the world—was blanketed by dangerously hot water in the summer of 2016.
After inspecting every one of its reefs, and surveying them on an almost species-by-species basis, the paper reports that vast swaths of the Great Barrier Reef were permanently transformed in the summer of 2016.
Yet it was not the end of troubles for the Great Barrier Reef.
Combined, he said, the back-to-back bleaching events killed one in every two corals in the Great Barrier Reef.
It is a fact almost beyond comprehension: In the summer of 2015, more than 2 billion corals lived in the Great Barrier Reef.
The new paper also advances its own idea of what the future of the Great Barrier Reef will look like.
And if a local reef hits six degree-heating weeks, it will suffer “catastrophic mortality” comparable to what happened in 2016, Hughes said. »