Persistence and Nonpersistence of a Nonautonomous Stochastic Mutualism System

Peiyan Xia, Xiaokun Zheng and Daqing Jiang

Abstract and Applied Analysis, 2013, vol. 2013, 1-13

Abstract:

In this paper, a two-species nonautonomous stochastic mutualism system is investigated. The intrinsic growth rates of the two species at time are estimated by respectively. Viewing the different intensities of the noises , as two parameters at time , we conclude that there exists a global positive solution and the th moment of the solution is bounded. We also show that the system is permanent, including stochastic permanence, persistence in mean, and asymptotic boundedness in time average. Besides, we show that the large white noise will make the system nonpersistent. Finally, we establish sufficient criteria for the global attractivity of the system.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:256249

DOI: 10.1155/2013/256249

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