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来源类型Article
规范类型其他
DOI10.1098/rspb.2005.3398
Co-evolution of slow-fast populations: Evolutionary sliding, evolutionary pseudo-equilibria and complex Red Queen dynamics.
Dercole F; Ferriere R; Gragnani A; Rinaldi S
发表日期2006
出处Proceedings of the Royal Society B: Biological Sciences 273 (1589): 983-990
出版年2006
语种英语
摘要We study the interplay of ecological and evolutionary dynamics in communities composed of populations with contrasting time-scales. In such communities, genetic variation of individual traits can cause population transitions between stationary and cyclic ecological regimes, hence abrupt variations in fitness. Such abrupt variations raise ridges in the adaptive landscape, where the populations are poised between equilibrium and cyclic coexistence and along which evolutionary trajectories can remain sliding for long times or halt at special points called evolutionary pseudo-equilibria. These novel phenomena should be generic to all systems in which ecological interactions cause fitness to vary discontinuously. They are demonstrated by the analysis of a predator-prey community, with one adaptive trait for each population. The eco-evolutionary dynamics of the system show a number of other distinctive features, including evolutionary extinction and two forms of Red Queen dynamics. One of them is characterized by intermittent bouts of cyclic oscillations of the two populations.
主题Evolution and Ecology (EEP)
URLhttp://pure.iiasa.ac.at/id/eprint/7900/
来源智库International Institute for Applied Systems Analysis (Austria)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/128578
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GB/T 7714
Dercole F,Ferriere R,Gragnani A,et al. Co-evolution of slow-fast populations: Evolutionary sliding, evolutionary pseudo-equilibria and complex Red Queen dynamics.. 2006.
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