UNRAVELING THE IMPACT OF THE MEMORY, THE COMPETITION, AND THE LINEAR HARVESTING ON A LOTKA-VOLTERRA MODEL

Authors

  • HASAN S. PANIGORO Universitas Negeri Gorontalo
  • EMLI RAHMI
  • DIAN SAVITRI
  • LAZARUS KALVEIN BEAY

DOI:

https://doi.org/10.25077/jmua.13.4.257-269.2024

Keywords:

Caputo fractional derivative, Harvesting, Lotka-Volterra

Abstract

The harvesting of population has a dominant influence in balancing the ecosystem. In this manuscript, the impact of harvesting in addition to competition, and memory effect on a prey-predator interaction following the Lotka-Volterra model is studied. The mathematical validation is provided by proofing that all solutions of the model are always exist, non-negative, and bounded. Obeying Matignon condition, Lyapunov function, and generalized LaSalle invariance principle, the local and global stability are investigated. To complete the analytical results, some numerical simulations are given to show the occurrence of forward bifurcation and the impact of the memory index. All results state that three possible circumstances may occur namely the extinction of both populations, the prey-only population, and the co-existence of both populations.

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Published

31-10-2024

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Vol. 13 No. 4 (2024)

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