this post was submitted on 15 Apr 2024
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The percentage of reef areas experiencing bleaching-level heat stress is increasing by about 1% a week, scientists say

Global heating has pushed the world’s coral reefs to a fourth planet-wide mass bleaching event that is on track to be the most extensive on record, US government scientists have confirmed.

Some 54% of ocean waters containing coral reefs have experienced heat stress high enough to cause bleaching, the National Oceanic and Atmospheric Administration’s Coral Reef Watch said.

A global bleaching event is declared when at least 12% of corals in each of the main ocean basins – Pacific, Atlantic and Indian – experience bleaching-level heat stress within a 12-month period. The declaration also requires confirmed reports of bleaching.

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[–] ChokingHazard63@sh.itjust.works 17 points 6 months ago (1 children)

If only we were warned about this decades ago...

[–] MisterD@lemmy.ca -2 points 6 months ago

But electric car batteries only last 5 years

[–] Wrench@lemmy.world 17 points 6 months ago (2 children)

A reminder that coral reefs can survive bleaching and recover. It's not the death sentence that we originally thought it was.

It's certainly not a good thing. They are in danger for sure, but I don't think the prognosis is as dire as most think.

[–] QuarterSwede@lemmy.world 3 points 6 months ago

I was gonna chime in a say similar. They more often than not recover. They aren’t dead.

[–] psvrh@lemmy.ca 1 points 6 months ago

I mean, it's not like they're a fundamental part of the food web or anything...

[–] Foofighter@discuss.tchncs.de 10 points 6 months ago

Worst bleaching yet