[MARMAM] New Publication: Vocal matching of naval sonar signals by long-finned pilot whales

Ricardo Antunes rna at st-andrews.ac.uk
Thu Mar 20 09:30:57 PDT 2014


    Dear list members,

    I would like to bring to your attention the following recent publication that might be of interest to some:

Ana Alves, Ricardo Antunes, Anna Bird, Peter L. Tyack, Patrick J. O. Miller, Frans-Peter A. Lam, Petter H. Kvadsheim. 2014. Vocal matching of naval sonar signals by long-finned pilot whales (Globicephala melas). Marine Mammal Science.

    Abstract:
    "Behaviour and sound production of 5 long-finned pilot whale groups were recorded in 12 sonar experiments conducted in Norway in 2008 and 2009. The recordings revealed whale calls matching the frequency modulation patterns of transmitted sonar signals. A contour shape dissimilarity score was calculated between each sonar signal and the contours of 2556 social calls. For 2 of 12 experiments, which included upsweep and downsweep sonar signals, randomization tests indicated that the contour shapes of some calls were more similar to the sonar than expected by chance. Better understanding of acoustic signalling in this species is essential to estimate the impact of this relevant response to anthropogenic sound."

    For those with online access to Marine Mammal Science, the early view (DOI: 10.1111/mms.12099) can be downloaded from: http://onlinelibrary.wiley.com/doi/10.1111/mms.12099/abstract

    Requests for pdfs can be sent to: rna at st-andrews.ac.uk

    Best

     Ricardo Antunes
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