GLOBAL ATTRACTIVITY OF A STAGE-STRUCTURE VARIABLE COEFFICIENTS PREDATOR-PREY SYSTEM WITH TIME DELAY AND IMPULSIVE PERTURBATIONS ON PREDATORS

被引:65
作者
Jiao, Jianjun [1 ,2 ]
Chen, Lansun [2 ]
机构
[1] Guizhou Coll Finance & Econ, Sch Math & Stat, Guiyang 550004, Peoples R China
[2] Dalian Univ Technol, Dept Appl Math, Dalian 116024, Peoples R China
基金
中国国家自然科学基金;
关键词
Stage-structured; time delay; impulsive; global attractivity; prey-extinction;
D O I
10.1142/S1793524508000163
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
In this work, we consider a delayed stage-structured variable coefficients predator-prey system with impulsive perturbations on predators. By using the discrete dynamical system determined by stroboscopic map and the standard comparison theorem, we obtain the sufficient conditions which guarantee the global attractivity of prey-extinction periodic solution of the investigated system. We also prove that all solutions of the system are uniformly ultimately bounded. Our results provide reliable tactic basis for the practical pest management.
引用
收藏
页码:197 / 208
页数:12
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