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chinadaily.com.cn | Updated: 2019-12-06 16:41
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Speakers may revive damaged coral reefs

A researcher deploys an underwater loudspeaker on a coral reef. [Photo/VCG]

Dying coral may be restored by playing the sounds of healthy reefs via underwater loudspeakers to attract young fish to damaged reefs, according to scientists at the University of Exeter and University of Bristol in the United Kingdom, and Australia's James Cook University and the Australian Institute of Marine Science.

After placing loudspeakers on patches of dead coral in the Great Barrier Reef, scientists discovered that twice as many fish arrived -- and stayed -- compared to equivalent patches where no sound was played.

An underwater loudspeaker on a coral reef. [Photo/VCG]
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