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具有Allee效应的Nicholson-Bailey宿主-寄生物模型动态研究 被引量:1

Dynamic Study of Nicholson-Bailey Host-Parasite Model with Allee Effect
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摘要 建立了具有Allee效应的Nicholson-Bailey宿主-寄生物模型,分析了平衡点的稳定性,运用MATLAB模拟研究参数的改变对模型动态的影响,采用分岔图来对比分析有无Allee效应的宿主-寄生物模型的变化,最终得出加入Allee效应的宿主-寄生物模型会加速走向灭绝. In this paper,the Nicholson-Bailey host-parasite model with Allee effect is established and the stability of equilibrium point is analyzed.The influence of the change of parameters on the dynamics of the model is simulated by MATLAB.Bifurcation diagrams are used to show the changes of host-parasite model with and without Allee effect.Finally,it is concluded that the host-parasite model with Allee effect will accelerate toward extinction.
作者 张凯 刘华 马晓璐 叶勇 ZHANG Kai;LIU Hua;MA Xiaolu;YE Yong(School of Mathematics and Computer Science,Northwest Minzu University,Lanzhou 730030,China)
出处 《湖北民族学院学报(自然科学版)》 CAS 2019年第2期169-173,共5页 Journal of Hubei Minzu University(Natural Science Edition)
基金 国家自然科学基金项目(31560127) 西北民族大学中央高校基本科研业务费资金项目(31920180116,31920180044,31920170072) 国家民委中青年英才计划项目((2014)121号) 甘肃省科技计划项目(1610RJZA102) 西北民族大学“双一流”和特色发展引导专项资金项目 西北民族大学中央高校基本科研业务费专项资金资助研究生项目
关键词 动态复杂性 差分方程 平衡点 分岔图 Dynamic complexity difference equation equilibrium point Bifurcation diagram
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