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  • 标题:Synchrony in tritrophic food chain metacommunities
  • 本地全文:下载
  • 作者:Igor Belykh ; Carlo Piccardi ; Sergio Rinaldi
  • 期刊名称:Journal of Biological Dynamics
  • 印刷版ISSN:1751-3758
  • 电子版ISSN:1751-3766
  • 出版年度:2009
  • 卷号:3
  • 期号:5
  • 页码:497-514
  • DOI:10.1080/17513750802638381
  • 出版社:Taylor & Francis
  • 摘要:The synchronous behaviour of interacting communities is studied in this paper. Each community is described by a tritrophic food chain model, and the communities interact through a network with arbitrary topology, composed of patches and migration corridors. The analysis of the local synchronization properties (via the master stability function approach) shows that, if only one species can migrate, the dispersal of the consumer (i.e., the intermediate trophic level) is the most effective mechanism for promoting synchronization. When analysing the effects of the variations of demographic parameters, it is found that factors that stabilize the single community also tend to favour synchronization. Global synchronization is finally analysed by means of the connection graph method, yielding a lower bound on the value of the dispersion rate that guarantees the synchronization of the metacommunity for a given network topology.
  • 关键词:food chain ; metacommunity ; network ; synchronization
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