Scientists tinker with evolution to save Hawaii coral reefs

Release time：2024-05-21 11:10:39 Source：Culture Curve news portal

COCONUT ISLAND, Hawaii (AP) — Scientists at a research center on Hawaii’s Coconut Island have embarked on an experiment to grow “super coral” that they hope can withstand the hotter and more acidic oceans that are expected with global warming.

The quest to grow the hearty coral comes at a time when researchers are warning about the dire health of the world’s reefs, which create habitats for marine life, protect shorelines and drive tourist economies.

When coral is stressed by changing environmental conditions, it expels the symbiotic algae that live within it and the animal turns white or bright yellow, a process called bleaching, said Ruth Gates, director of the Institute of Marine Biology at the University of Hawaii.

If the organisms are unable to recover from these bleaching events, especially when they recur over several consecutive years, the coral will die. Gates estimated that about 60 to 80 percent of the coral in Kaneohe Bay has bleached this year.

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