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Effects of ambient and boat noise on hearing and communication in three fish species living in a marine protected area (Miramare, Italy)
Codarin, A.; Wysocki, L.E.; Ladich, F.; Picciulin, M. (2009). Effects of ambient and boat noise on hearing and communication in three fish species living in a marine protected area (Miramare, Italy). Mar. Pollut. Bull. 58(12): 1880-1887
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X, more
Peer reviewed article  

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Keywords
    Acoustics; Ambient noise; Boats; Fishery surveys; Fishing vessels; Marine parks; Noise (sound); Sound pressure; Chromis chromis (Linnaeus, 1758) [WoRMS]; Gobius cruentatus Gmelin, 1789 [WoRMS]; Sciaena umbra Linnaeus, 1758 [WoRMS]; MED, Adriatic Sea [Marine Regions]; MED, Italy, Friuli-Venezia Giulia, Trieste [Marine Regions]; Marine

Authors  Top 
  • Codarin, A.
  • Wysocki, L.E.
  • Ladich, F.
  • Picciulin, M.

Abstract
    The WWF-Natural Marine Reserve of Miramare (Trieste, Italy) is located in a major industrial and vacation area in the Adriatic Sea. Consequently, noise emanating from boating and shipping is an inevitable factor for local fishes. This study investigates the effects of ambient and ship noise on representatives of three vocal fish families with different hearing abilities. Ambient and ship noise were recorded, their sound pressure levels measured and played back in the lab. Auditory sensitivity was determined in Chromis chromis, Sciaena umbra and Gobius cruentatus, utilizing the auditory evoked potential recording technique. Compared to lab conditions, hearing thresholds determined during ambient noise playbacks were barely masked. Contrary, the noise emanating from a cabin-cruiser substantially reduced auditory sensitivity relative to thresholds in ambient noise. This masking effect was most pronounced in the frequency range where acoustic communication takes place. Boat noise potentially affects acoustic communication in fishes inhabiting the reserve.

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