Global asymptotical stability for a fishery model with seasonal harvesting
JOURNAL OF APPLIED ANALYSIS AND COMPUTATION(2024)
摘要
A new fishery model is proposed by using the strategy of seasonal harvesting. Sufficient and necessary conditions are established to ensure the existence of a unique equilibrium or a periodic solution by the approach of Poincare maps. It is shown that the equilibrium or the periodic solution is globally asymptotically stable. Numerical examples are provided to demonstrate the model dynamics and some biological implications are given as well.
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关键词
Seasonal harvesting,fishery model,Poincare<acute accent> map,periodic solu- tion,global stability
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