Modeling and Analyzing the Influence of Fear on the Harvested Modified Leslie-Gower Model
Keywords:Bifurcation, Fear, Leslie-Gower model, Permanence, Quadratic fixed effort harvesting, Stability
A modified Leslie-Gower predator-prey model with a Beddington-DeAngelis functional response is proposed and studied. The purpose is to examine the effects of fear and quadratic fixed effort harvesting on the system's dynamic behavior. The model's qualitative properties, such as local equilibria stability, permanence, and global stability, are examined. The analysis of local bifurcation has been studied. It is discovered that the system experiences a saddle-node bifurcation at the survival equilibrium point whereas a transcritical bifurcation occurs at the boundary equilibrium point. Additionally established are the prerequisites for Hopf bifurcation existence. Finally, using MATLAB, a numerical investigation is conducted to verify the validity of the theoretical analysis and visualize the model dynamics.
Received 16/5/2022, Revised 18/7/2022, Accepted 19/7/2022, Published Online First 20/2/2023
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