‘Habitat-associated soundscape’ hypothesis tested on several coral reefs within a lagoon (Bora-Bora Island, French Polynesia)

Lana Minier; Xavier Raick; Emma GairinTehani MaueauVincent SturnyEric BlinEric ParmentierFrédéric BertucciDavid Lecchini

首页> 外文期刊>Marine Biology: International Journal on Life in Oceans and Coastal Waters >‘Habitat-associated soundscape’ hypothesis tested on several coral reefs within a lagoon (Bora-Bora Island, French Polynesia)

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‘Habitat-associated soundscape’ hypothesis tested on several coral reefs within a lagoon (Bora-Bora Island, French Polynesia)

机译：‘Habitat-associated soundscape’ hypothesis tested on several coral reefs within a lagoon (Bora-Bora Island, French Polynesia)

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Abstract Coral reefs encompass different habitats that have their own living communities. The present study aimed to test the hypothesis that these different kinds of habitats were characterized by specific soundscapes. Within the lagoon of Bora-Bora, acoustic recordings and visual surveys of substrate type and fish communities were conducted on four reef sites belonging to the three main geomorphological habitats (fringing reef, channel reef, barrier reef) from February to April 2021. Two acoustic parameters were measured for each site and month, during the day and at night: the peak frequency (Fpeak, in Hz) and the corresponding power spectral density (PSDpeak, in dB re 1 μPa2 Hz?1). Our results showed that each geomorphological unit could be characterized by these two parameters and therefore had a specific acoustic signature. Moreover, our study showed that a higher living coral cover was significantly positively correlated with Fpeak in the low-frequency band (50–2000?Hz) during day-time. Although biodiversity indices based on visual surveys did not differ significantly, fish communities and soundscapes were significantly different between sites. Overall, our study underlines the importance of passive acoustics in coral reef monitoring as soundscapes are habitat specific.

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《Marine Biology: International Journal on Life in Oceans and Coastal Waters》 |2023年第5期|61.1-61.12|共12页
作者
Lana Minier; Xavier Raick; Emma GairinTehani MaueauVincent SturnyEric BlinEric ParmentierFrédéric BertucciDavid Lecchini;
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作者单位

PSL University, EPHE-UPVD-CNRS, UAR 3278 CRIOBE||Laboratoire d’Excellence ? CORAIL ?;

University of Liège;

PSL University, EPHE-UPVD-CNRS, UAR 3278 CRIOBE||Okinawa Institute of Science and TechnologyAssociation Ia Vai Ma Noa Bora-BoraPolynésienne des EauxSuez Eau France SASPSL University, EPHE-UPVD-CNRS, UAR 3278 CRIOBE||University of Liège||UMR MARBEC, University of Montpellier, CNRS, IFREMER, IRD;

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正文语种英语
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Coral reefs; Biophony; Passive acoustic monitoring; Remote sensing; Fish sounds;

‘Habitat-associated soundscape’ hypothesis tested on several coral reefs within a lagoon (Bora-Bora Island, French Polynesia)

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