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Coral bleaching study discovers 'shocking' damage on Queensland’s One Tree Island
ABC NEWS (Australia)
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11/5/2024
A highly protected island off central Queensland is known for some of the best coral cover on the great barrier reef. But almost a year on from a mass coral bleaching event. A team of researchers is assessing its recovery with mixed results.
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00:00
These researchers are getting ready to dive into the pristine waters on the Southern Great
00:08
Barrier Reef, but they're worried about the extent of coral bleaching they'll see.
00:14
This is my third time here over the course of this event this year, so I hate to say
00:18
we're getting numb to it, but we kind of expected it, probably more than when we first came.
00:22
One Tree Island is a remote research station 100 kilometres off the central Queensland
00:28
coast. Warmer than average ocean temperatures last summer caused widespread damage. It's
00:35
estimated more than 50% of the coral has died here.
00:39
It was pretty, I guess, shocking to go back out there and see the amount of coral death
00:44
that we've had.
00:45
We've only done two dives, but I'm sure we're going to see more of the same, just a lot
00:49
of mortality.
00:50
But there have been some small areas of recovery.
00:54
One big moment was a Porites Bomby that's just right off the station here. It's a really
00:59
big, beautiful type of coral that's huge and it's full of fish. When we went to that site
01:04
I was so nervous because I was like, oh, please, please let that thing be OK, and it was actually.
01:08
The team is making 3D maps of this part of the reef to monitor its health.
01:14
We can track the colonies through time and actually see all those colonies, what was
01:19
their fate through this bleaching event.
01:21
This tiny island is one of only two parts of the Great Barrier Reef, which is an orange
01:26
zone, meaning it can only be accessed for education and research purposes and is a no-go
01:31
zone for tourists.
01:33
So far out from everything, which is what makes it so special.
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