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As coral reefs die they become silent graveyards, however, the introduction of underwater loudspeakers brings new life and helps to rejuvenate the coral reefs.

A recently published paper in Nature Communications highlights research focused on the impact of playing sounds around dead or dying corals.

The researchers believed they could potentially entice juvenile and adult fish to a dying reef by playing sounds associated with a vibrant living reef. The results proved their hypothesis, broadcasting healthy reef sounds doubled the total number of fish and increased the number of fish species by 50% compared to equivalent unmodified dead coral.

While the reintroduction of fish to a coral reef isn’t the entire recipe to regrow healthy coral reef ecosystems, it helps the reef begin to recover. Fish clean reef and create spaces for new corals to grow.

Source: Forbes

https://www.forbes.com/sites/trevornace/2019/11/30/underwater-speakers-help-revive-dying-coral-reefs-study-finds/

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