Document Detail

Chaos-induced coherence in two independent food chains.
MedLine Citation:
PMID:  16241495     Owner:  NLM     Status:  MEDLINE    
Coherence evolution of two food web models can be obtained under the stirring effect of chaotic advection. Each food web model sustains a three-level trophic system composed of interacting predators, consumers, and vegetation. These populations compete for a common limiting resource in open flows with chaotic advection dynamics. Here we show that two species (the top predators) of different colonies chaotically advected by a jetlike flow can synchronize their evolution even without migration interaction. The evolution is characterized as a phase synchronization. The phase differences (determined through the Hilbert transform) of the variables representing those species show a coherent evolution.
Adriana Auyuanet; Arturo C Martí; Raúl Montagne
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2005-09-30
Journal Detail:
Title:  Physical review. E, Statistical, nonlinear, and soft matter physics     Volume:  72     ISSN:  1539-3755     ISO Abbreviation:  Phys Rev E Stat Nonlin Soft Matter Phys     Publication Date:  2005 Sep 
Date Detail:
Created Date:  2005-10-24     Completed Date:  2006-04-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101136452     Medline TA:  Phys Rev E Stat Nonlin Soft Matter Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  031920     Citation Subset:  IM    
Instituto de Física, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay.
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MeSH Terms
Biological Clocks / physiology*
Competitive Behavior / physiology*
Computer Simulation
Food Chain*
Models, Biological*
Nonlinear Dynamics*
Population Dynamics*
Predatory Behavior / physiology*

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