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author:

Li, Qianqian (Li, Qianqian.) [1] | Kashyap, Ankur Jyoti (Kashyap, Ankur Jyoti.) [2] | Zhu, Qun (Zhu, Qun.) [3] | Chen, Fengde (Chen, Fengde.) [4] (Scholars:陈凤德)

Indexed by:

Scopus SCIE

Abstract:

Amensalism, a rare yet impactful symbiotic relationship in ecological systems, is the focus of this study. We examine a discrete-time amensalism system by incorporating the fear effect on the first species. We identify the plausible equilibrium points and analyze their local stability conditions. The global attractivity of the positive equilibrium, E*, and the boundary equilibrium, E1, are analyzed by exploring threshold conditions linked to the level of fear. Additionally, we analyze transcritical bifurcations and flip bifurcations exhibited by the boundary equilibrium points analytically. Considering some biologically feasible parameter values, we conduct extensive numerical simulations. From numerical simulations, it is observed that the level of fear has a stabilizing effect on the system dynamics when it increases. It eventually accelerates the extinction process for the first species as the level of fear continues to increase. These findings highlight the complex interplay between external factors and intrinsic system dynamics, enriching potential mechanisms for driving species changes and extinction events.

Keyword:

amensalism chaos control fear effect flip bifurcation global attractivity transcritical bifurcation

Community:

  • [ 1 ] [Li, Qianqian]Fuzhou Univ, Sch Math & Stat, Fuzhou 350108, Peoples R China
  • [ 2 ] [Zhu, Qun]Fuzhou Univ, Sch Math & Stat, Fuzhou 350108, Peoples R China
  • [ 3 ] [Chen, Fengde]Fuzhou Univ, Sch Math & Stat, Fuzhou 350108, Peoples R China
  • [ 4 ] [Kashyap, Ankur Jyoti]Girijananda Chowdhury Univ, Dept Math, Gauhati, Assam, India

Reprint 's Address:

  • [Chen, Fengde]Fuzhou Univ, Sch Math & Stat, Fuzhou 350108, Peoples R China;;

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Source :

MATHEMATICAL BIOSCIENCES AND ENGINEERING

ISSN: 1547-1063

Year: 2024

Issue: 1

Volume: 21

Page: 832-860

2 . 6 0 0

JCR@2022

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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