Document Detail

Chaos and order in plankton dynamics. Complex behavior of a simple model.
MedLine Citation:
PMID:  11966216     Owner:  NLM     Status:  MEDLINE    
The role of the diffusive interaction between fish-populated and fish-free habitats in a patchy environment in plankton pattern formation is studied by means of a minimal reaction-diffusion model of the nutrient-plankton-fish food chain. It is shown that such interaction can give rise to spatio-temporal plankton patterns. The fractal dimension of the patterns is shown dependent on the fish predation rate. The spatially averaged plankton dynamics depending on both fish predation rate and distance between fish-populated habitats can exhibit chaotic and regular behavior. The chaotic plankton dynamics is characteristic of a wide parameter range.
Alexander B Medvinsky; Irene A Tikhonova; Sergey V Petrovskii; Horst Malchow; Ezio Venturino
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Zhurnal obshcheĭ biologii     Volume:  63     ISSN:  0044-4596     ISO Abbreviation:  Zh. Obshch. Biol.     Publication Date:    2002 Mar-Apr
Date Detail:
Created Date:  2002-04-22     Completed Date:  2002-06-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0424252     Medline TA:  Zh Obshch Biol     Country:  Russia    
Other Details:
Languages:  eng     Pagination:  149-58     Citation Subset:  IM    
Institute for Theoretical & Experimental Biophysics, Pushchino, Moscow Region, 142290 Russia.
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MeSH Terms
Food Chain*
Marine Biology
Models, Biological*
Nonlinear Dynamics
Plankton / growth & development*
Population Dynamics

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