Underwater speaker system (IMAGE) Woods Hole Oceanographic Institution Caption Acoustic enrichment can be a key intervention to support imperiled reefs.Using an underwater speaker system,researchers found that broadcasting the sound scape of a healthy reef at a degraded reef caused coral larvae to settle at significantly higher rates. Credit Dan Mele, ©Woods Hole Oceanographic Institution Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.