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Bifurcations of a Ratio-Dependent Holling-Tanner System with Refuge and Constant Harvesting

机译:具有避难所和恒定收获的比率相关的Holling-Tanner系统的分叉

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摘要

The bifurcation properties of a predator prey system with refuge and constant harvesting are investigated. The number of the equilibria and the properties of the system will change due to refuge and harvesting, which leads to the occurrence of several kinds bifurcation phenomena, for example, the saddle-node bifurcation, Bogdanov-Takens bifurcation, Hopf bifurcation, backward bifurcation, separatrix connecting a saddle-node and a saddle bifurcation and heteroclinic bifurcation, and so forth. Our main results reveal much richer dynamics of the system compared to the system with no refuge and harvesting.
机译:研究了具有避难和持续收获的捕食系统的分叉性质。平衡数和系统性质将因避难和收获而改变,从而导致发生多种分叉现象,例如,鞍节点分叉,Bogdanov-Takens分叉,Hopf分叉,向后分叉,连接鞍节点和鞍分叉以及异斜叉分叉的等分。与没有庇护和收获的系统相比,我们的主要结果表明该系统具有更丰富的动力。

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