Dynamics of a Stage-Structured Leslie-Gower Predator-Prey Model | Zendy

Hai-Feng Huo | Zendy; Xiaohong Wang | Zendy; Carlos CastilloChávez | Zendy

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Dynamics of a Stage-Structured Leslie-Gower Predator-Prey Model

Author(s) -

Hai-Feng Huo,

Xiaohong Wang,

Carlos CastilloChávez

Publication year - 2011

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2011/149341

Subject(s) - mathematics , predation , stability (learning theory) , population , dynamics (music) , set (abstract data type) , population model , predator , mathematical economics , statistical physics , ecology , computer science , biology , demography , physics , machine learning , sociology , acoustics , programming language

A generalized version of the Leslie-Gower predator-prey model that incorporates the prey population structure is introduced. Our results show that the inclusion of (age) structure in the prey population does not alter the qualitative dynamics of the model; that is, we identify sufficient conditions for the ‘‘trapping’’ of the dynamics in a biological compact set—albeit the analysis is a bit more challenging. The focus is on the study of the boundedness of solutions and identification of sufficient conditions for permanence. Sufficient conditions for the local stability of the nonnegative equilibria of the model are also derived, and sufficient conditions for the global attractivity of positive equilibrium are obtained. Numerical simulations are used to illustrate our results

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