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Global stability of a Lotka-Volterra type predator-prey model with stage structure and time delay

Global stability of a Lotka-Volterra type predator-prey model with stage structure and time delay

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Original languageEnglish
Pages863-880
Number of pages18
JournalApplied Mathematics and Computation
Journal publication date2004
Volume159
Issue3
DOIs
StatePublished

Abstract

A delayed Lotka-Volterra type predator-prey model with stage structure for predator is investigated. It is assumed in the model that the individuals in the predator population may belong to one of two classes: the immatures and the matures, the age to maturity is presented by a time delay, and that the immature predators do not have the ability to prey. By analyzing characteristic equations and using an iterative technique, a set of easily verifiable sufficient conditions are derived for the local and global stability of the nonnegative equilibria of the model. Numerical simulations are carried out to illustrate the validity of our results.

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