Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 385686
Title Startle response of captive North Sea fish species to underwater tones between 0.1 and 64 kHz
Author(s) Kastelein, R.A.; Heul, S. van der; Verboom, W.C.; Jennings, N.; Veen, J. van der; Haan, D. de
Source Marine Environmental Research 65 (2008)5. - ISSN 0141-1136 - p. 369 - 377.
DOI https://doi.org/10.1016/j.marenvres.2008.01.001
Department(s) Wageningen Marine Research
Publication type Refereed Article in a scientific journal
Publication year 2008
Keyword(s) cod gadus-morhua - directional hearing - behavior - sound - thresholds - ultrasound - stimuli - noise - field
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 similar to 100 dB (re 1 mu Pa, rms) at 0.1 kHz to similar 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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