NDLI: Persistent coexistence of cyclically competing species in spatially extended ecosystems.

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Persistent coexistence of cyclically competing species in spatially extended ecosystems.

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Persistent coexistence of cyclically competing species in spatially extended ecosystems.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Park, Junpyo Do, Younghae Huang, Zi-Gang Lai, Ying-Cheng
Description	Country affiliation: South Korea Author Affiliation: Park J ( Department of Mathematics, Kyungpook National University, Daegu 702-701, South Korea.)
Abstract	A fundamental result in the evolutionary-game paradigm of cyclic competition in spatially extended ecological systems, as represented by the classic Reichenbach-Mobilia-Frey (RMF) model, is that high mobility tends to hamper or even exclude species coexistence. This result was obtained under the hypothesis that individuals move randomly without taking into account the suitability of their local environment. We incorporate local habitat suitability into the RMF model and investigate its effect on coexistence. In particular, we hypothesize the use of 'basic instinct' of an individual to determine its movement at any time step. That is, an individual is more likely to move when the local habitat becomes hostile and is no longer favorable for survival and growth. We show that, when such local habitat suitability is taken into account, robust coexistence can emerge even in the high-mobility regime where extinction is certain in the RMF model. A surprising finding is that coexistence is accompanied by the occurrence of substantial empty space in the system. Reexamination of the RMF model confirms the necessity and the important role of empty space in coexistence. Our study implies that adaptation/movements according to local habitat suitability are a fundamental factor to promote species coexistence and, consequently, biodiversity.
File Format	HTM / HTML
ISSN	10541500
Issue Number	2
Volume Number	23
e-ISSN	10897682
Journal	Chaos: An Interdisciplinary Journal of Nonlinear Science
Language	English
Publisher	American Institute of Physics
Publisher Date	2013-06-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Nonlinear Dynamics Competitive Behavior Ecosystem Symbiosis Animals Biological Evolution Computer Simulation Models, Biological Predatory Behavior Physiology Probability Reproduction Species Specificity Time Factors Journal Article Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s.
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Statistical and Nonlinear Physics Medicine Mathematical Physics

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