对具阶段结构和生育脉冲的种群模型脉冲喷洒杀虫剂的动力学性质(英文)Dynamic Behaviors of Impulsive Spraying Pesticide on a Population Model with Stage-structured and Birth Pulse
侯娟;刘兵;
摘要(Abstract):
研究了一个具有阶段结构,脉冲生育及在固定时刻对其喷洒杀虫剂的害虫种群模型的动力学性质.运用由频闪映射决定的离散动力系统,得到了具R icker功能函数系统的精确1-周期解,并讨论了它在临界条件下的稳定性.通过证明喷洒杀虫剂的时间对成年害虫有巨大的影响,得出结论喷洒杀虫剂的最好时间在季末,即在临近生育时期.
关键词(KeyWords): 阶段结构;生育脉冲;脉冲喷洒杀虫剂;分支
基金项目(Foundation): This work was supported by The National Natural Science Foundation of P.R.China(10361004),The Major Project of The Ministry of Education and The Natural Science Foundation of Xinjiang University.
作者(Authors): 侯娟;刘兵;
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