A focus on long-run sustainability of a harvested prey predator system in the presence of alternative prey - 10/12/10
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Abstract |
Within the framework of a general equilibrium model we study the long-run dynamics of a prey-predator model in the presence of an alternative prey. Our results show that sustainability, i.e. a positive value of the population in the long run, essentially depends on individual harvesting efforts and digesting factors relative to alternative prey. A detailed bifurcation analysis evidences the richness of possible long-run dynamics. Our model clearly shows that the role of an alternative prey must be taken into consideration when studying prey-predator dynamics.
Le texte complet de cet article est disponible en PDF.Keywords : Prey-predator, Stability, Bifurcation, Limit cycle, Sustainability
Plan
Research of T.K. Kar was supported by the Council of Scientific and Industrial Research (CSIR), India (Grant No. 25 (0160)/08/EMR-II dated: 17.01.08) and research of S.K. Chattopadhyay was supported by the University Grants Commissions (UGC), India (Grant No. PSW-179/09-10(ERO) dated: 08.10.2009). |
Vol 333 - N° 11-12
P. 841-849 - novembre 2010 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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