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        Permanence for three species predator-prey system with delayed stage-structure and impulsive perturbations on predators

        Shuwen Zhang,Tejun Tan 한국전산응용수학회 2009 Journal of applied mathematics & informatics Vol.27 No.5

        In this paper, three species stage-structured predator-preymodel with time delayed and periodic constant impulsive perturbations of predator at fixed times is proposed and investigated. We show that the conditions for the global attractivity of prey(pest)-extinction periodic solution and permanence of the system. Our model exhibits a new modelling method which is applied to investigate impulsive delay differential equations. Our results give some reasonable suggestions for pest management. In this paper, three species stage-structured predator-preymodel with time delayed and periodic constant impulsive perturbations of predator at fixed times is proposed and investigated. We show that the conditions for the global attractivity of prey(pest)-extinction periodic solution and permanence of the system. Our model exhibits a new modelling method which is applied to investigate impulsive delay differential equations. Our results give some reasonable suggestions for pest management.

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