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Stress response and habituation to motorboat noise in two coastal fish species in the Bothnian Sea
Johansson, K.; Sigray, P.; Backström, T.; Magnhagen, C. (2016). Stress response and habituation to motorboat noise in two coastal fish species in the Bothnian Sea, in: Popper, A.N. et al. (Ed.) The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 513-521. hdl.handle.net/10.1007/978-1-4939-2981-8_62
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598, more
Peer reviewed article  

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Keywords
    Perca fluviatilis Linnaeus, 1758 [WoRMS]; Rutilus rutilus (Linnaeus, 1758) [WoRMS]; Marine
Author keywords
    Cortisol; Eurasian perch; Roach; Sound disturbance

Authors  Top 
  • Johansson, K.
  • Sigray, P.
  • Backström, T.
  • Magnhagen, C.

Abstract
    The effect of motorboat noise on stress responsiveness in Eurasian perch and roach was tested in field enclosure experiments. Perch showed elevated cortisol levels after one 30-min noise exposure but not when exposed to noise repeatedly for 11 days. Roach had higher cortisol levels when exposed to noise than without noise when short- and long-term experiments were pooled. Both species had more cortisol in enclosures with mixed species compared with single-species enclosures. Both species also had higher cortisol levels in the short-term compared with the long-term experiment. Thus, a stress effect of motorboat noise may decrease with time due to habituation.

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