Research article

Dynamics in a predator-prey model with memory effect in predator and fear effect in prey


  • Received: 14 January 2022 Revised: 02 March 2022 Accepted: 13 March 2022 Published: 18 March 2022
  • The spatial memory effect in predator and fear effect in prey are incorporated in a diffusive predator-prey model. We are interested in studying the dynamics generated by the memory effect and fear effect, and mainly study the local stability of coexisting equilibrium, the existence of Hopf bifurcation and the property of Hopf bifurcation. Through the numerical simulations, we show that increasing memory-based diffusion coefficient is not conducive to the stability of the coexisting equilibrium, and the fear effect has both stabilizing and destabilizing effect on the coexisting equilibrium under different parameters.

    Citation: Ruizhi Yang, Dan Jin. Dynamics in a predator-prey model with memory effect in predator and fear effect in prey[J]. Electronic Research Archive, 2022, 30(4): 1322-1339. doi: 10.3934/era.2022069

    Related Papers:

  • The spatial memory effect in predator and fear effect in prey are incorporated in a diffusive predator-prey model. We are interested in studying the dynamics generated by the memory effect and fear effect, and mainly study the local stability of coexisting equilibrium, the existence of Hopf bifurcation and the property of Hopf bifurcation. Through the numerical simulations, we show that increasing memory-based diffusion coefficient is not conducive to the stability of the coexisting equilibrium, and the fear effect has both stabilizing and destabilizing effect on the coexisting equilibrium under different parameters.



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