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Boat noise prevents soundscape-based habitat selection by coral planulae

Lecchini, David, Bertucci, Frédéric, Gache, Camille, Khalife, Adam, Besson, Marc, Roux, Natacha, Berthe, Cecile, Singh, Shubha, Parmentier, Eric, Nugues, Maggy M., Brooker, Rohan M., Dixson, Danielle L. and Hédouin, Laetitia 2018, Boat noise prevents soundscape-based habitat selection by coral planulae, Scientific reports, vol. 8, no. 1, doi: 10.1038/s41598-018-27674-w.

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Title Boat noise prevents soundscape-based habitat selection by coral planulae
Author(s) Lecchini, David
Bertucci, Frédéric
Gache, Camille
Khalife, Adam
Besson, Marc
Roux, Natacha
Berthe, Cecile
Singh, Shubha
Parmentier, Eric
Nugues, Maggy M.
Brooker, Rohan M.ORCID iD for Brooker, Rohan M. orcid.org/0000-0001-8739-6914
Dixson, Danielle L.
Hédouin, Laetitia
Journal name Scientific reports
Volume number 8
Issue number 1
Article ID 9283
Total pages 9
Publisher Nature Publishing Group
Place of publication London, Eng.
Publication date 2018-12
ISSN 2045-2322
Summary Understanding the relationship between coral reef condition and recruitment potential is vital for the development of effective management strategies that maintain coral cover and biodiversity. Coral larvae (planulae) have been shown to use certain sensory cues to orient towards settlement habitats (e.g. the odour of live crustose coralline algae - CCA). However, the influence of auditory cues on coral recruitment, and any effect of anthropogenic noise on this process, remain largely unknown. Here, we determined the effect of protected reef (MPA), exploited reef (non-MPA) soundscapes, and a source of anthropogenic noise (boat) on the habitat preference for live CCA over dead CCA in the planula of two common Indo-Pacific coral species (Pocillopora damicornis and Acropora cytherea). Soundscapes from protected reefs significantly increased the phonotaxis of planulae of both species towards live CCA, especially when compared to boat noise. Boat noise playback prevented this preferential selection of live CCA as a settlement substrate. These results suggest that sources of anthropogenic noise such as motor boat can disrupt the settlement behaviours of coral planulae. Acoustic cues should be accounted for when developing management strategies aimed at maximizing larval recruitment to coral reefs.
Language eng
DOI 10.1038/s41598-018-27674-w
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID Agence Nationale pour la Recherche (ANR-11-JSV7-012-01)
IRCP-SNH-SPDD grant 2017
Copyright notice ©2018, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30113412

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.