首页> 外文期刊>Discrete and continuous dynamical systems >DYNAMICS OF A PREY-PREDATOR SYSTEM WITH MODIFIED LESLIE-GOWER AND HOLLING TYPE Ⅱ SCHEMES INCORPORATING A PREY REFUGE
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DYNAMICS OF A PREY-PREDATOR SYSTEM WITH MODIFIED LESLIE-GOWER AND HOLLING TYPE Ⅱ SCHEMES INCORPORATING A PREY REFUGE

机译:修正Leslie-Gower模型的HollingⅡ类捕食系统的动力学性质。

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摘要

We study a modified version of a prey-predator system with modified Leslie-Gower and Holling type II functional responses studied by M.A. Aziz-Alaoui and M. Daher-Okiye. The modification consists in incorporating a refuge for preys, and substantially complicates the dynamics of the system. We study the local and global dynamics and the existence of cycles. We also investigate conditions for extinction or existence of a stationary distribution, in the case of a stochastic perturbation of the system.
机译:我们研究了由M.A. Aziz-Alaoui和M.Daher-Okiye研究的具有改进的Leslie-Gower和Holling II型功能性反应的猎物-捕食者系统的改进版本。修改包括合并一个避难所,并大大增加了系统的动力。我们研究了局部和全局动力学以及周期的存在。我们还研究了系统随机扰动情况下灭绝或存在平稳分布的条件。

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  • 来源
    《Discrete and continuous dynamical systems》 |2019年第9期|5003-5039|共37页
  • 作者单位

    Normandie Univ, Lab Raphael Salem, UMR CNRS 6085, Rouen, France;

    Normandie Univ, Lab Raphael Salem, UMR CNRS 6085, Rouen, France|Univ Paris Sud, Univ Paris Saclay, CNRS Cent Supelec, PSA, 3 Rue Joliot Curie, F-91192 Gif Sur Yvette, France|Univ Paris Sud, Univ Paris Saclay, CNRS Cent Supelec, Inria DISCO, 3 Rue Joliot Curie, F-91192 Gif Sur Yvette, France|Univ Paris Sud, Univ Paris Saclay, CNRS Cent Supelec, Lab Signaux & Syst, 3 Rue Joliot Curie, F-91192 Gif Sur Yvette, France;

    Normandie Univ, Lab Raphael Salem, UMR CNRS 6085, Rouen, France|Univ Paris Sud, Univ Paris Saclay, CNRS Cent Supelec, PSA, 3 Rue Joliot Curie, F-91192 Gif Sur Yvette, France|Univ Paris Sud, Univ Paris Saclay, CNRS Cent Supelec, Inria DISCO, 3 Rue Joliot Curie, F-91192 Gif Sur Yvette, France|Univ Paris Sud, Univ Paris Saclay, CNRS Cent Supelec, Lab Signaux & Syst, 3 Rue Joliot Curie, F-91192 Gif Sur Yvette, France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Prey-predator; Leslie-Gower; Holling type II; refuge; Poincare index theorem; stochastic differential; persistence; stationary distribution; ergodic;

    机译:捕食者;Leslie-Gower;Holling II型;避难;Poincare指标定理;随机差异;持久性;静止的分布;ergodic;

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