Anthropogenic noise has become a widespread pollutant in the world’s oceans, having an impact on the biology and ecology of various marine species. However, due to the challenges of reproducing realistic conditions in experimental setups, behavioral effects of continuous anthropogenic noise remain poorly studied. The aim of this study was to develop a laboratory-based experimental protocol to evaluate the behavioral responses of juvenile European seabass (Dicentrarchus labrax) to representative and realistic playback of offshore wind turbine noise. The acoustic exposure simulated the gradual approach of fish swimming toward an operating turbine, using field recordings collected in situ sea conditions. Acoustic calibrations were conducted prior to testing to ensure the spectral and spatial realism of the sound within the experimental environment.

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Insights of a Revised Dose–Response Methodology to Investigate Behavioral Responses of Juvenile Seabass Exposed to Offshore Wind Turbine Noise

  • Morgane Millot,
  • Benjamin Bellier,
  • Emmanuel Dubillot,
  • Loïc Helloco,
  • Cécile Persohn,
  • Thomas Soulard,
  • Enored Le Bourhis,
  • Christel Lefrançois

摘要

Anthropogenic noise has become a widespread pollutant in the world’s oceans, having an impact on the biology and ecology of various marine species. However, due to the challenges of reproducing realistic conditions in experimental setups, behavioral effects of continuous anthropogenic noise remain poorly studied. The aim of this study was to develop a laboratory-based experimental protocol to evaluate the behavioral responses of juvenile European seabass (Dicentrarchus labrax) to representative and realistic playback of offshore wind turbine noise. The acoustic exposure simulated the gradual approach of fish swimming toward an operating turbine, using field recordings collected in situ sea conditions. Acoustic calibrations were conducted prior to testing to ensure the spectral and spatial realism of the sound within the experimental environment.