构造了一个具有阶段结构的捕食—食饵模型，并研究了庇护所效应对于该系统平衡点的稳定性、平衡密度及其种群长期续存的影响。
This paper studied the effect of prey refuges on the stage-structured predator-prey model with two life stages-immature and mature, and with a mature prey using refuges.
而蝌蚪年龄、捕食者状况及其交互效应对蝌蚪的行为反应没有显著影响。
Tadpole age and predator presence had no significant effect on anti-predator behavior of tadpoles.
第四章我们建立并系统地分析了脉冲效应对捕食系统持久性和灭绝性的影响。
In chapter 4, the effects of impulses on the persistence and extinction of predator-prey systems are studied thoroughly.
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