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Auditory effects of multiple impulses from a seismic air gun on bottlenose dolphins (Tursiops truncatus)
Schlundt, C.E.; Finneran, J.J.; Branstetter, B.K.; Trickey, J.S.; Bowman, V. (2016). Auditory effects of multiple impulses from a seismic air gun on bottlenose dolphins (Tursiops truncatus), in: Popper, A.N. et al. (Ed.) The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 987-991. hdl.handle.net/10.1007/978-1-4939-2981-8_122
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598, more
Peer reviewed article  

Available in  Authors 

Keywords
    Hearing; Noise; Tursiops truncatus (Montagu, 1821) [WoRMS]; Marine
Author keywords
    Temporary threshold shift

Authors  Top 
  • Schlundt, C.E.
  • Finneran, J.J.
  • Branstetter, B.K.
  • Trickey, J.S.
  • Bowman, V.

Abstract
    Auditory thresholds were measured in three bottlenose dolphins before and after exposure to ten impulses from a seismic air gun. Thresholds were measured using behavioral and electrophysiological methods to determine the amount of temporary threshold shift induced. The results suggest that the potential for seismic surveys using air guns to cause auditory effects on dolphins may be lower than previously predicted; however, two of the three dolphins exhibited “anticipatory” behavioral changes at the highest exposure condition that suggested they were attempting to mitigate the effects of the exposures.

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