Persistence and Nonpersistence of a Food Chain Model with Stochastic Perturbation

Haihong Li, Fuzhong Cong, Daqing Jiang and Hongtu Hua

Abstract and Applied Analysis, 2013, vol. 2013, 1-9

Abstract:

We analyze a three species predator-prey chain model with stochastic perturbation. First, we show that this system has a unique positive solution and its th moment is bounded. Then, we deduce conditions that the system is persistent in time average. After that, conditions for the system going to be extinction in probability are established. At last, numerical simulations are carried out to support our results.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:125089

DOI: 10.1155/2013/125089

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