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Soundscapes influence the settlement of the common Caribbean coral Porites astreoides irrespective of light conditions

Author(s)
Lillis, Ashlee; Apprill, Amy; Suca, Justin J.; Becker, Cynthia; Llopiz, Joel K.; Mooney, T. Aran; ... Show more Show less
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Creative Commons Attribution 4.0 International license https://creativecommons.org/licenses/by/4.0/
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Abstract
The settlement of reef-building corals is critical to the survival and recovery of reefs. Recent evidence indicates that coral larvae orient towards reef sound, yet the components of the acoustic environment that may attract coral larvae and induce settlement are unknown. Here we investigated the effects of ambient soundscapes on settlement of Porites astreoides coral larvae using in situ chambers on reefs differing in habitat quality (coral and fish abundance). Mean larval settlement was twice as high in an acoustic environment with high levels of low-frequency sounds, typical of a high-quality, healthy reef; this result was observed in both natural light and dark treatments. Overall, the enhancement of coral settlement by soundscapes typical of healthy reefs suggests a positive feedback where soundscape properties of reefs with elevated coral and fish abundance may facilitate coral recruitment. Keywords: coral; acoustics; soundscape; larvae; settlement
Date issued
2018-12
URI
https://hdl.handle.net/1721.1/122677
Department
Woods Hole Oceanographic Institution
Journal
Royal Society Open Science
Publisher
The Royal Society
Citation
Lillis, Ashlee et al. "Soundscapes influence the settlement of the common Caribbean coral Porites astreoides irrespective of light conditions." Royal Society Open Science 5,12 (December 2018): 181358 © 2018 The Authors.
Version: Final published version
ISSN
2054-5703

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