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    Coral reef species assemblages are associated with ambient soundscapes

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    Author's manuscript (3.013Mb)
    Supplementary material (484.5Kb)
    Date
    2015-06
    Author
    Kaplan, Maxwell B.  Concept link
    Mooney, T. Aran  Concept link
    Partan, James W.  Concept link
    Solow, Andrew R.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/7527
    As published
    https://doi.org/10.3354/meps11382
    Keyword
     Bioacoustics; Biodiversity; Fishes; Sound production 
    Abstract
    Coral reefs provide a wide array of ecosystem services and harbor some of the highest levels of biodiversity on the planet, but many reefs are in decline worldwide. Tracking changes is necessary for effective resource management. Biological sounds have been suggested as a means to quantify ecosystem health and biodiversity, but this requires an understanding of natural bioacoustic variability and relationships to the taxa present. This investigation sought to characterize spatial and temporal variation in biological sound production within and among reefs that varied in their benthic and fish diversity. Multiple acoustic recorders were deployed for intensive 24-hour periods and longer term (~4-month) duty-cycled deployments on three reefs that varied in coral cover and fish density. Short-term results suggest that while there were statistically significant acoustic differences among recorders on a given reef, these differences were relatively small, indicating that a single sensor may be suitable for acoustic characterization of reefs. Analyses of sounds recorded over ~4 months indicated that the strength of diel trends in a low frequency fish band (100-1000 Hz) was correlated with coral cover and fish density but the strength of high-frequency snapping-shrimp (2-20 kHz) trends was not, suggesting that low-frequency recordings may be better indicators of the species assemblages present. Power spectra varied within reefs over the deployment periods, underscoring the need for long-duration recordings to characterize these trends. These findings suggest that, in spite of considerable spatial and temporal variability within reef soundscapes, diel trends in low-frequency sound production correlate with reef species assemblages.
    Description
    Author Posting. © The Author(s), 2015. This is the author's version of the work. It is posted here by permission of Inter-Research for personal use, not for redistribution. The definitive version was published in Marine Ecology Progress Series 533 (2015): 93-107, doi:10.3354/meps11382.
    Collections
    • Applied Ocean Physics and Engineering (AOP&E)
    • Biology
    • Marine Policy Center (MPC)
    Suggested Citation
    Preprint: Kaplan, Maxwell B., Mooney, T. Aran, Partan, James W., Solow, Andrew R., "Coral reef species assemblages are associated with ambient soundscapes", 2015-06, https://doi.org/10.3354/meps11382, https://hdl.handle.net/1912/7527
     
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