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标题：Stage-Structured Impulsive <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>S</mml:mi><mml:mi>I</mml:mi></mml:mrow></mml:math> Model for Pest Management
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作者：Ruiqing Shi ; Lansun Chen
期刊名称：Discrete Dynamics in Nature and Society
印刷版ISSN：1026-0226
电子版ISSN：1607-887X
出版年度：2007
卷号：2007
DOI：10.1155/2007/97608
出版社：Hindawi Publishing Corporation
摘要：An SI epidemic model with stage structure is investigated. In the model, impulsive biological control is taken, that is, we release infected pests to the field at a fixed time periodically. We get a sufficient condition for the global asymptotical stability of the pest-eradication periodic solution (0,0,I˜(t)), and a condition for the permanence of the system. At last, a brief discussion shows that our results will be helpful for pest management.