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    Habitat quality affects sound production and likely distance of detection on coral reefs

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    Authors
    Piercy, Julius J. B.
    Codling, Edward A.
    Hill, Adam J.
    Smith, David J.
    Simpson, Stephen D.
    Affiliation
    University of Essex
    University of Derby
    University of Exeter
    Issue Date
    2014-12-03
    
    Metadata
    Show full item record
    Abstract
    The interwoven nature of habitats and their acoustic fingerprints (soundscapes) is being increasingly recognized as a key component of animal ecology. Natural soundscapes are crucial for orientation in many different taxa when seeking suitable breeding grounds or settlement habitats. In the marine environment, coral reef noise is an important navigation cue for settling reef fish larvae and is thus a possible driver of reef population dynamics. We explored reef noise across a gradient of reef qualities, tested sound propagation models against field recordings and combined them with fish audio grams to demonstrate the importance of reef quality in determining which reefs larvae are likely to detect. We found that higher-quality reefs were significantly louder and richer in acoustic events (transient content) than degraded reefs, and observed that sound propagated farther with less attenuation than predicted by classic models. We discuss how zones of detection of poor-quality reefs could be reduced by over an order of magnitude com-pared to healthy reefs. The present study provides new perspectives on the far reaching effects habitat degradation may have on organisms that utilize soundscapes for orientation towards or away from coral reefs, and highlights the value of sound recordings as a cost-effective reef survey and monitoring tool.
    Citation
    Piercy JJB, Codling EA, Hill AJ, Smith DJ, Simpson SD (2014) Habitat quality affects sound production and likely distance of detection on coral reefs. Mar Ecol Prog Ser 516:35-47. https://doi.org/10.3354/meps10986
    Journal
    Marine Ecology Progress Series
    URI
    http://hdl.handle.net/10545/583124
    DOI
    10.3354/meps10986
    Additional Links
    http://www.int-res.com/abstracts/meps/v516/p35-47/
    Type
    Article
    Language
    en
    ISSN
    0171-8630
    1616-1599
    ae974a485f413a2113503eed53cd6c53
    10.3354/meps10986
    Scopus Count
    Collections
    Department of Mechanical Engineering & the Built Environment

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