globalchange  > 气候变化与战略
DOI: 10.1111/ele.13597
论文题名:
Geographic mosaic of selection by avian predators on hindwing warning colour in a polymorphic aposematic moth
作者: Rönkä K.; Valkonen J.K.; Nokelainen O.; Rojas B.; Gordon S.; Burdfield-Steel E.; Mappes J.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:11
起始页码: 1654
结束页码: 1663
语种: 英语
中文关键词: Aposematism ; Arctia plantaginis ; colour polymorphism ; frequency-dependent selection ; predators ; predator–prey interactions ; signal convergence ; signal variation ; wood tiger moth
英文关键词: aposematism ; community composition ; habitat mosaic ; moth ; predation ; predator ; spatial variation ; Estonia ; Finland ; Georgia ; Scotland ; United Kingdom ; United States ; Arctia ; Arctiidae ; Aves ; Lepidoptera ; animal ; bird ; color ; Finland ; moth ; predation ; Scotland ; Animals ; Birds ; Color ; Finland ; Moths ; Predatory Behavior ; Scotland
英文摘要: Warning signals are predicted to develop signal monomorphism via positive frequency-dependent selection (+FDS) albeit many aposematic systems exhibit signal polymorphism. To understand this mismatch, we conducted a large-scale predation experiment in four countries, among which the frequencies of hindwing warning coloration of the aposematic moth, Arctia plantaginis, differ. Here we show that selection by avian predators on warning colour is predicted by local morph frequency and predator community composition. We found +FDS to be the strongest in monomorphic Scotland and lowest in polymorphic Finland, where the attack risk of moth morphs depended on the local avian community. +FDS was also found where the predator community was the least diverse (Georgia), whereas in the most diverse avian community (Estonia), hardly any models were attacked. Our results support the idea that spatial variation in predator communities alters the strength or direction of selection on warning signals, thus facilitating a geographic mosaic of selection. © 2020 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/166703
Appears in Collections:气候变化与战略

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作者单位: Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland; Helsinki Institute of Life Sciences, University of Helsinki, Helsinki, Finland; Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland; Department of Biology, Washington University in St. Louis, St. Louis, MO, United States; Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, Netherlands

Recommended Citation:
Rönkä K.,Valkonen J.K.,Nokelainen O.,et al. Geographic mosaic of selection by avian predators on hindwing warning colour in a polymorphic aposematic moth[J]. Ecology Letters,2020-01-01,23(11)
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