Anthropogenic noise increases fish mortality by predation
Simpson, Stephen D., Radford, Andrew N., Nedelec, Sophie L., Ferrari, Maud C.O., Chivers, Douglas P., McCormick, Mark I., and Meekan, Mark G. (2016) Anthropogenic noise increases fish mortality by predation. Nature Communications, 7. 10544. pp. 1-7.
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Abstract
Noise-generating human activities affect hearing, communication and movement in terrestrial and aquatic animals, but direct evidence for impacts on survival is rare. We examined effects of motorboat noise on post-settlement survival and physiology of a prey fish species and its performance when exposed to predators. Both playback of motorboat noise and direct disturbance by motorboats elevated metabolic rate in Ambon damselfish (Pomacentrus amboinensis), which when stressed by motorboat noise responded less often and less rapidly to simulated predatory strikes. Prey were captured more readily by their natural predator (dusky dottyback, Pseudochromis fuscus) during exposure to motorboat noise compared with ambient conditions, and more than twice as many prey were consumed by the predator in field experiments when motorboats were passing. Our study suggests that a common source of noise in the marine environment has the potential to impact fish demography, highlighting the need to include anthropogenic noise in management plans.
| Item ID: | 43041 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 2041-1723 |
| Additional Information: | This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
| Funders: | NERC Knowledge Exchange Fellowship (NERC), UK Department for Environment, Food and Rural Affairs, ARC CoE for Coral Reef Studies |
| Projects and Grants: | ARC CoE EI140100117, NERC NE/J500616/2 |
| Date Deposited: | 21 Mar 2016 01:43 |
| FoR Codes: | 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310301 Behavioural ecology @ 50% 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310305 Marine and estuarine ecology (incl. marine ichthyology) @ 50% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 50% 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960808 Marine Flora, Fauna and Biodiversity @ 50% |
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