Analysis of the Dynamical Properties of Discrete Predator-Prey Systems with Fear Effects and Refuges

Wei Li, Chunrui Zhang, Mi Wang and Marek Galewski

Discrete Dynamics in Nature and Society, 2024, vol. 2024, 1-18

Abstract: This paper examines the dynamic behavior of a particular category of discrete predator-prey system that feature both fear effect and refuge, using both analytical and numerical methods. The critical coefficients and properties of bifurcating periodic solutions for Flip and Hopf bifurcations are computed using the center manifold theorem and bifurcation theory. Additionally, numerical simulations are employed to illustrate the bifurcation phenomenon and chaos characteristics. The results demonstrate that period-doubling and Hopf bifurcations are two typical routes to generate chaos, as evidenced by the calculation of the maximum Lyapunov exponents near the critical bifurcation points. Finally, a feedback control method is suggested, utilizing feedback of system states and perturbation of feedback parameters, to efficiently manage the bifurcations and chaotic attractors of the discrete predator-prey model.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:9185585

DOI: 10.1155/2024/9185585

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