期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 378, 期 1874, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rstb.2022.0062
关键词
leadership; collective behaviour; movement ecology; timescales; schooling; flocking
类别
Many animal behaviors exhibit complex temporal dynamics, suggesting there are multiple timescales at which they should be studied. Researchers often focus on behaviors that occur over relatively restricted temporal scales, typically ones that are more accessible to human observation. This article presents a technique to study the time-varying nature of social influence in mobile animal groups across multiple temporal scales.
Many animal behaviours exhibit complex temporal dynamics, suggesting there are multiple timescales at which they should be studied. However, researchers often focus on behaviours that occur over relatively restricted temporal scales, typically ones that are more accessible to human observation. The situation becomes even more complex when considering multiple animals interacting, where behavioural coupling can introduce new timescales of importance. Here, we present a technique to study the time-varying nature of social influence in mobile animal groups across multiple temporal scales. As case studies, we analyse golden shiner fish and homing pigeons, which move in different media. By analysing pairwise interactions among individuals, we show that predictive power of the factors affecting social influence depends on the timescale of analysis. Over short timescales the relative position of a neighbour best predicts its influence and the distribution of influence across group members is relatively linear, with a small slope. At longer timescales, however, both relative position and kinematics are found to predict influence, and nonlinearity in the influence distribution increases, with a small number of individuals being disproportionately influential. Our results demonstrate that different interpretations of social influence arise from analysing behaviour at different timescales, highlighting the importance of considering its multiscale nature.This article is part of a discussion meeting issue 'Collective behaviour through time'.
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