globalchange  > 气候变化与战略
DOI: 10.1111/ele.13763
论文题名:
Efficient movement strategies mitigate the energetic cost of dispersal
作者: Klarevas-Irby J.A.; Wikelski M.; Farine D.R.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:7
起始页码: 1432
结束页码: 1442
语种: 英语
中文关键词: adaptive strategies ; animal behaviour ; biologging ; dispersal ; ecophysiology ; energetic costs ; GPS tracking ; movement ecology ; terrestrial ecology ; vulturine guineafowl
英文关键词: Acryllium vulturinum ; human ; movement (physiology) ; Humans ; Movement
英文摘要: Dispersal is a critical, but costly, stage of life. During the active phase of dispersal—called transience—individuals face many costs, from increased mortality to reduced foraging opportunities. One cost that is often assumed, but rarely explicitly tested, is the energy expended in making large dispersal movements. However, this cost is not only determined by the distance individual’s move, but also how they move. Using high-resolution GPS tracking of dispersing and resident vulturine guineafowl (Acryllium vulturinum), we show that transient individuals exhibit distinct movement behaviours—travelling farther, faster and straighter—that result in a significant reduction in the energetic costs of making large displacements. This strategy allows dispersing birds to travel, on average, 33.8% farther each day with only a 4.1% cost increase and without spending more time moving. Our study suggests that adaptive movement strategies can largely mitigate movement costs during dispersal, and that such strategies may be common. © 2021 The Authors. Ecology Letters published by John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166862
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作者单位: Department of Migration, Max Planck Institute of Animal Behavior, Radolfzell, Germany; Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany; Department of Biology, University of Konstanz, Konstanz, Germany; Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland; Mpala Research Centre, Nanyuki, Kenya; Department of Collective Behavior, Max Planck Institute of Animal Behavior, Konstanz, Germany; Department of Ornithology, National Museums of Kenya, Nairobi, Kenya

Recommended Citation:
Klarevas-Irby J.A.,Wikelski M.,Farine D.R.. Efficient movement strategies mitigate the energetic cost of dispersal[J]. Ecology Letters,2021-01-01,24(7)
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