Abstract
In this paper, we revisit the algal blooms model of plankton interactions initially proposed by Das and Sarkar (DCDIS-A, 14(3):401–414, 2007), where the oscillatory mode in the interaction between phytoplankton and zooplankton is observed. We provide a detailed analysis of the dependence of the equilibria and their stability on various parameters in the model. The bifurcation behaviors around equilibrium (e.g., Hopf bifurcation, Bogdanov–Takens bifurcation) are further found. Meanwhile, numerical simulations verify and illustrate the effectiveness of our theoretical results.
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Funding
The authors gratefully acknowledge support of the National Natural Science Foundation of China [Grant Numbers 11871415, 12271466], Youth Sustentation Fund of **nyang Normal University[Grant Numbers 2023-QN-051], and the Henan Province Distinguished Professor program.
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Appendices
Appendix 1. Coefficients in the proof of Theorem 4.4
Here we give the expression of coefficients, which are used in the proof of theorem 4.4.
Appendix 2. Coefficients in the proof of Theorem 4.5
We provide the expression of some coefficients which are used in the proof of Theorem 4.5 in the following.
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Wei, Q., Cai, L. Bifurcation analysis of an algal blooms dynamical model in trophic interaction. J. Appl. Math. Comput. (2024). https://doi.org/10.1007/s12190-024-02095-3
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DOI: https://doi.org/10.1007/s12190-024-02095-3