期刊
JOURNAL OF THEORETICAL BIOLOGY
卷 235, 期 4, 页码 495-503出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtbi.2005.02.003
关键词
impulsive biological control; Holling II functional response; permanence; extinction
In this paper, one investigates the dynamic behaviors of one-prey multi-predator model with Holling type II functional response by introducing impulsive biological control strategy (periodic releasing natural enemies at different fixed time). By using Floquet theorem and small amplitude perturbation method, it is proved that there exists an asymptotically stable pest-eradication periodic solution when the impulsive period is less than some critical value and permanence condition is established via the method of comparison involving multiple Liapunov functions. It is shown that multi-predator impulsive control strategy is more effective than the classical and single one. (c) 2005 Elsevier Ltd. All rights reserved.
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