DOI: 10.1111/gcb.14280
Scopus记录号: 2-s2.0-85051525806
论文题名: Metapopulation dynamics in a changing climate: Increasing spatial synchrony in weather conditions drives metapopulation synchrony of a butterfly inhabiting a fragmented landscape
作者: Kahilainen A. ; van Nouhuys S. ; Schulz T. ; Saastamoinen M.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期: 9 起始页码: 4316
结束页码: 4329
语种: 英语
英文关键词: climate change
; dispersal
; Lepidoptera
; life history
; Melitaea cinxia
; metapopulation dynamics
; population synchrony
; precipitation
; temperature
; trophic interactions
Scopus关键词: Lepidoptera
; Melitaea cinxia
英文摘要: Habitat fragmentation and climate change are both prominent manifestations of global change, but there is little knowledge on the specific mechanisms of how climate change may modify the effects of habitat fragmentation, for example, by altering dynamics of spatially structured populations. The long-term viability of metapopulations is dependent on independent dynamics of local populations, because it mitigates fluctuations in the size of the metapopulation as a whole. Metapopulation viability will be compromised if climate change increases spatial synchrony in weather conditions associated with population growth rates. We studied a recently reported increase in metapopulation synchrony of the Glanville fritillary butterfly (Melitaea cinxia) in the Finnish archipelago, to see if it could be explained by an increase in synchrony of weather conditions. For this, we used 23 years of butterfly survey data together with monthly weather records for the same period. We first examined the associations between population growth rates within different regions of the metapopulation and weather conditions during different life-history stages of the butterfly. We then examined the association between the trends in the synchrony of the weather conditions and the synchrony of the butterfly metapopulation dynamics. We found that precipitation from spring to late summer are associated with the M. cinxia per capita growth rate, with early summer conditions being most important. We further found that the increase in metapopulation synchrony is paralleled by an increase in the synchrony of weather conditions. Alternative explanations for spatial synchrony, such as increased dispersal or trophic interactions with a specialist parasitoid, did not show paralleled trends and are not supported. The climate driven increase in M. cinxia metapopulation synchrony suggests that climate change can increase extinction risk of spatially structured populations living in fragmented landscapes by altering their dynamics. © 2018 The Authors. Global Change Biology Published by John Wiley & Sons Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110237
Appears in Collections: 影响、适应和脆弱性 气候变化事实与影响
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作者单位: Metapopulation Research Centre, Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Science, University of Helsinki, Helsinki, Finland; Department of Entomology, Cornell University, Ithaca, NY, United States
Recommended Citation:
Kahilainen A.,van Nouhuys S.,Schulz T.,et al. Metapopulation dynamics in a changing climate: Increasing spatial synchrony in weather conditions drives metapopulation synchrony of a butterfly inhabiting a fragmented landscape[J]. Global Change Biology,2018-01-01,24(9)