气候变化领域集成服务门户(CCPortal): Individual error correction drives responsive self-assembly of army ant scaffolds

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DOI	10.1073/pnas.2013741118
	Individual error correction drives responsive self-assembly of army ant scaffolds
	Lutz M.J.; Reid C.R.; Lustri C.J.; Kao A.B.; Garnier S.; Couzin I.D.
发表日期	2021
ISSN	00278424
卷号	118 期号:17
英文摘要	An inherent strength of evolved collective systems is their ability to rapidly adapt to dynamic environmental conditions, offering resilience in the face of disruption. This is thought to arise when individual sensory inputs are filtered through local interactions, producing an adaptive response at the group level. To understand how simple rules encoded at the individual level can lead to the emergence of robust group-level (or distributed) control, we examined structures we call “scaffolds,” self-assembled by Eciton burchellii army ants on inclined surfaces that aid travel during foraging and migration. We conducted field experiments with wild E. burchellii colonies, manipulating the slope over which ants traversed, to examine the formation of scaffolds and their effects on foraging traffic. Our results show that scaffolds regularly form on inclined surfaces and that they reduce losses of foragers and prey, by reducing slipping and/or falling of ants, thus facilitating traffic flow. We describe the relative effects of environmental geometry and traffic on their growth and present a theoretical model to examine how the individual behaviors underlying scaffold formation drive group-level effects. Our model describes scaffold growth as a control response at the collective level that can emerge from individual error correction, requiring no complex communication among ants. We show that this model captures the dynamics observed in our experiments and is able to predict the growth—and final size—of scaffolds, and we show how the analytical solution allows for estimation of these dynamics. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Collective behavior; Distributed control; Infrastructure; Resilience; Self-assembly
语种	英语
scopus关键词	article; field experiment; forager; foraging; geometry; nonhuman; travel
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/179760
作者单位	Department of Collective Behaviour, Max Planck Institute of Animal Behavior, Konstanz, D-78457, Germany; Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, D-78457, Germany; Department of Biology, University of Konstanz, Konstanz, D-78457, Germany; Department of Biological Sciences, Macquarie University, Sydney, NSW 2109, Australia; Department of Mathematics and Statistics, Macquarie University, Sydney, NSW 2109, Australia; Santa Fe Institute, Santa Fe, NM 87501, United States; Department of Biological Sciences, New Jersey Institute of Technology, Newark, NJ 07102, United States
推荐引用方式 GB/T 7714	Lutz M.J.,Reid C.R.,Lustri C.J.,et al. Individual error correction drives responsive self-assembly of army ant scaffolds[J],2021,118(17).
APA	Lutz M.J.,Reid C.R.,Lustri C.J.,Kao A.B.,Garnier S.,&Couzin I.D..(2021).Individual error correction drives responsive self-assembly of army ant scaffolds.Proceedings of the National Academy of Sciences of the United States of America,118(17).
MLA	Lutz M.J.,et al."Individual error correction drives responsive self-assembly of army ant scaffolds".Proceedings of the National Academy of Sciences of the United States of America 118.17(2021).