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Startle response of captive North Sea fish species to underwater tones between 0.1 and 64 kHz Kastelein, R.A.; Van der Heul, S.; Verboom, W.C.; Jennings, N.; Van der Veen, J.; de Haan, D. (2008). Startle response of captive North Sea fish species to underwater tones between 0.1 and 64 kHz. Mar. Environ. Res. 65(5): 369-377. http://dx.doi.org/10.1016/j.marenvres.2008.01.001 In: Marine Environmental Research. Applied Science Publishers: Barking. ISSN 0141-1136; e-ISSN 1879-0291, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 134281 [ download pdf ]

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Trefwoorden

Catching methods Physics > Acoustics Anguilla anguilla (Linnaeus, 1758) [WoRMS]; Chelon labrosus (Risso, 1827) [WoRMS]; Clupea harengus Linnaeus, 1758 [WoRMS]; Dicentrarchus labrax (Linnaeus, 1758) [WoRMS]; Gadus morhua Linnaeus, 1758 [WoRMS]; Pollachius pollachius (Linnaeus, 1758) [WoRMS]; Trachurus trachurus (Linnaeus, 1758) [WoRMS]; Trisopterus luscus (Linnaeus, 1758) [WoRMS] Marien/Kust

Author keywords

acoustics; Atlantic herring; behaviour; Atlantic cod; common eel; horsemackerel; marine fish; pollack; pout; sea bass; thicklip mullet

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Auteurs		Top
Kastelein, R.A. Van der Heul, S., meer Verboom, W.C.	Jennings, N. Van der Veen, J. de Haan, D., meer

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Abstract

World-wide, underwater background noise levels are increasing due to anthropogenic activities. Little is known about the effects of anthropogenic noise on marine fish, and information is needed to predict any negative effects. Behavioural startle response thresholds were determined for eight marine fish species, held in a large tank, to tones of 0.1-64 kHz. Response threshold levels varied per frequency within and between species. For sea bass, the 50% reaction threshold occurred for signals of 0.1-0.7 kHz, for thicklip mullet 0.4-0.7 kHz, for pout 0.1-0.25 kHz, for horse mackerel 0.1-2 kHz and for Atlantic herring 4 kHz. For cod, pollack and eel, no 50% reaction thresholds were reached. Reaction threshold levels increased from ~100 dB (re 1 μPa, rms) at 0.1 kHz to ~160 dB at 0.7 kHz. The 50% reaction thresholds did not run parallel to the hearing curves. This shows that fish species react very differently to sound, and that generalisations about the effects of sound on fish should be made with care. As well as on the spectrum and level of anthropogenic sounds, the reactions of fish probably depend on the context (e.g. location, temperature, physiological state, age, body size, and school size).

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