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Bistability and Hopf bifurcation of a tritrophic system with Holling functional responses.

ABSTRACT: In this paper we analyze the dynamics of a tritrophic food chain, with functional responses of Holling type III and II for the mesopredator and superpredator respectively and logistic growth rate for the prey. We show that there are parameter conditions for which the system has up to three equilibrium points. When three equilibrium points appear we show that each one of them exhibits a supercritical Hopf bifurcation. Moreover we can also show that there is a set of parameters for which the system exhibits a simultaneous Hopf bifurcation.

SUBMITTER: Ble G 

PROVIDER: S-EPMC7902555 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Bistability and Hopf bifurcation of a tritrophic system with Holling functional responses.

Blé Gamaliel G   Castellanos Víctor V   Castillo-Santos Francisco Eduardo FE  

Heliyon 20210217 2

In this paper we analyze the dynamics of a tritrophic food chain, with functional responses of Holling type III and II for the mesopredator and superpredator respectively and logistic growth rate for the prey. We show that there are parameter conditions for which the system has up to three equilibrium points. When three equilibrium points appear we show that each one of them exhibits a supercritical Hopf bifurcation. Moreover we can also show that there is a set of parameters for which the syste  ...[more]

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