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Anthropogenic noise pollution from pile-driving disrupts the structure and dynamics of fish shoals [Proceedings of the Royal Society B - Biological Sciences]

Keywords : noise, collective behaviour, global change, shoaling, pile-driving

par Frédéric Magné - publié le

Noise produced from a variety of human activities can affect the physiology and behaviour of individual animals, but whether noise disrupts the social behaviour of animals is largely unknown. Animal groups such as flocks of birds or shoals of fish use simple interaction rules to coordinate their movements with near neighbours. In turn, this coordination allows individuals to gain the benefits of group living such as reduced predation risk and social information exchange. Noise could change how individuals interact in groups if noise is perceived as a threat, or if it masked, distracted or stressed individuals, and this could have impacts on the benefits of grouping.(...)

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