Since the 1950s, half of the world’s coral reefs have died due to rising temperatures, overfishing, pollution and disease. Building on previous research showing that coral larvae are attracted to the sounds made by reefs, the scientists discovered that coral larvae are attracted to the sounds made by reefs in St. They placed underwater speakers on three reefs off St. John. At one of the disturbed reefs, recordings of a healthy reef were played for three nights.
Compared to two control sites where no sound was played, 7 times more coral larvae settled on the surface near the speakers in the twitch zone. The settling rate decreases with distance from the speakers, indicating a direct connection to broadcast sounds.
Despite the promising results, scientists emphasize that more research is needed. They want to find out whether this method works for other coral species and whether the captured larvae survive in the long term.
Source: Ferra
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