Dynamic Behaviors of a Discrete Two Species Predator-Prey System Incorporating Harvesting

Ting Wu

Discrete Dynamics in Nature and Society, 2012, vol. 2012, 1-12

Abstract:

A discrete two species predator-prey captured system is studied. Firstly, a sufficient condition of a positive equilibrium point for this system is obtained. Secondly, we observe that the two nonnegative equilibriums of the system are unstable through the eigenvalue discriminant method, and the positive equilibrium point is asymptotically stable by Jury criterion. Lastly, we obtain the optimal capture strategy of the system from the maximum principle by constructing a discrete Hamiltonian function. To show the feasibility of the main results, a suitable example together with its numerical simulations is illustrated in the last part of the paper. The example with certain practical significance might give an optimal scheme of the greatest economic benefits for the captors.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:429076

DOI: 10.1155/2012/429076

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