Effects of Sounds From Seismic Air Guns on Fish Behavior and Catch Rates

  • Svein Løkkeborg
  • Egil Ona
  • Aud Vold
  • Are Salthaug
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 730)

Abstract

Seismic surveys are performed to explore for oil and gas resources. During these surveys, air guns are discharged about every 10-15 s and sound pulses with a short rise time and very high peak sound pressure level (SPL) are emitted (source levels at ∼250 dB re 1 µPa). Concerns have been raised about the impacts of seismic air gun emissions on marine life, and fishermen in particular claim that seismic surveys have a serious negative influence on fish distribution and commercial catch rates due to avoidance responses.

Keywords

Petroleum Fishing 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Svein Løkkeborg
    • 1
  • Egil Ona
    • 1
  • Aud Vold
    • 1
  • Are Salthaug
    • 1
  1. 1.Institute of Marine ResearchBergenNorway

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