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Heat-tolerant algae could save coral reefs from warming seas

https://www.thetimes.co.uk/article/heat-tolerant-algae-could-save-coral-reefs-from-warming-seas-87tndbz9b

Corals turn white in a process known as bleaching when a rise in water temperature causes them to expel the colourful algae that live in their tissue and supply most of their nutrition.

The Great Barrier Reef off Australia....

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Coral Bleaching: Turning Up The Heat

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Scientists call for ‘urgent’ regional effort to save Red Sea coral

Climate change is expected to destroy 70 to 90 percent of the world’s coral reefs by 2050, even if countries abide by the Paris Climate Agreement, said the researchers from Israel, the US, Egypt, Jordan, Saudi Arabia, Switzerland and Australia.

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Coral reefs shifting away from equator, new study finds

"Climate change seems to be redistributing coral reefs, the same way it is shifting many other marine species,” said lead author Nichole Price, a senior research scientist at Bigelow Laboratory for Ocean Sciences in Maine. “The clarity in this trend is stunning, but we don’t yet know whether the new reefs can support the incredible diversity of tropical systems.”

As climate change warms the ocean, subtropical environments are becoming more favorable for corals than the equatorial waters where they traditionally thrived. This is allowing drifting coral larvae to settle and grow in new regions. These subtropical reefs could provide refuge for other species challenged by climate change and new opportunities to protect these fledgling ecosystems.

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The Great Barrier Reef is facing a critical period of heat stress over the coming weeks following the most widespread coral bleaching the natural wonder has ever endured, scientists said.

David Wachenfeld, chief scientist at the Great Barrier Reef Marine Park Authority, the government agency that manages the coral expanse off northeast Australia, said ocean temperatures over the next month will be crucial to how the reef recovers from heat-induced bleaching.

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Scientists say it is time to save the red sea's coral reef

An international group of researchers led by Karine Kleinhaus, MD, of the Stony Brook University School of Marine and Atmospheric Sciences (SoMAS), calls upon UNESCO to declare the Red Sea's 4000km of coral reef as a Marine World Heritage Site and recommends additional measures critical for the reef's survival. Published in Frontiers in Marine Science, the article cites that while Rapid Ocean warming due to climate change is predicted to decimate 70 to 90 percent of the world's coral reefs by mid-century, the coral reef ecosystem in the Red Sea's Gulf of Aqaba is strikingly resilient to rising sea temperatures....