Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Temporary shift in masked hearing thresholds in a harbor porpoise (Phocoena phocoena) after exposure to seismic airgun stimuli

    Access Status
    Fulltext not available
    Authors
    Lucke, Klaus
    Siebert, U.
    Lepper, P.
    Blanchet, M.
    Date
    2009
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Lucke, K. and Siebert, U. and Lepper, P. and Blanchet, M. 2009. Temporary shift in masked hearing thresholds in a harbor porpoise (Phocoena phocoena) after exposure to seismic airgun stimuli. Journal of the Acoustical Society of America. 125 (6): pp. 4060-4070.
    Source Title
    Journal of the Acoustical Society of America
    Additional URLs
    http://scitation.aip.org/content/asa/journal/jasa/125/6/10.1121/1.3117443
    ISSN
    0001-4966
    URI
    http://hdl.handle.net/20.500.11937/29119
    Collection
    • Curtin Research Publications
    Abstract

    An auditory study was conducted to derive data on temporary threshold shift TTS induced bysingle impulses. This information should serve as basis for the definition of noise exposurecriteria for harbor porpoises. The measurements of TTS were conducted on a harbor porpoise bymeasuring the auditory evoked potentials in response to amplitude-modulated sounds. Afterobtaining baseline hearing data the animal was exposed to single airgun stimuli at increasingreceived levels. Immediately after each exposure the animal’s hearing threshold was tested forsignificant changes. The received levels of the airgun impulses were increased until TTS wasreached. At 4 kHz the predefined TTS criterion was exceeded at a received sound pressure level of199.7 dBpk-pk re 1 Pa and a sound exposure level SEL of 164.3 dB re 1 Pa2 s. The animalconsistently showed aversive behavioral reactions at received sound pressure levels above174 dBpk-pk re 1 Pa or a SEL of 145 dB re 1 Pa2 s. Elevated levels of baseline hearingsensitivity indicate potentially masked acoustic thresholds. Therefore, the resulting TTS levelsshould be considered masked temporary threshold shift MTTS levels. The MTTS levels are lowerthan for any other cetacean species tested so far.

    Related items

    Showing items related by title, author, creator and subject.

    • How tolerant are harbour porpoises to underwater sound?
      Lucke, Klaus; Lepper, P.; Blanchet, M.; Siebert, U. (2008)
      The planned construction of offshore wind turbines in the North and Baltic Seas involves the emission of high numbers of intense impulsive sounds when turbine foundations are driven into the ground by pile driving. Based ...
    • A critical review of the potential impacts of marine seismic surveys on fish & invertebrates
      Carroll, A.; Przeslawski, R.; Duncan, Alec; Gunning, M.; Bruce, B. (2017)
      © 2016Marine seismic surveys produce high intensity, low-frequency impulsive sounds at regular intervals, with most sound produced between 10 and 300 Hz. Offshore seismic surveys have long been considered to be disruptive ...
    • An investigation into active and passive acoustic techniques to study aggregating fish species
      Parsons, Miles James Gerard (2009)
      Techniques of single- and multi-beam active acoustics and the passive recording of fish vocalisations were employed to evaluate the benefits and limitations of each technique as a method for assessing and monitoring fish ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.