As coral reefs die they become silent graveyards, however, the introduction of underwater loudspeakers brings new life and helps to rejuvenate the coral reefs
highlights research focused on the impact of playing sounds around dead or dying corals. The findings were a pleasant surprise in the future conservation and recovery of coral reefs.
The researchers weren’t playing Kesha or classical music, but the sounds of healthy vibrant coral reef ecosystems. 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.To make sure there was no bias in the acoustically enriched reefs, the research team studied dead coral areas with both dummy speakers and no speakers.
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. “If combined with habitat restoration and other conservation measures, rebuilding fish communities in this manner might accelerate ecosystem recovery,” saidMap showing study area and locations acoustic enrichment, no loudspeaker, and dummy loudspeakerThe introduction of diverse groups of fish, who all provide different functions in a coral reef ecosystem, is an important part of maintaining and recovering reef ecosystems.
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