摘要
通过运用差分方程的比较原理,获得具有单调功能反应的离散时间比率依赖的捕食-被捕食模型持久性的充分条件.
By applying the comparison theorem of difference equation, we obtain sufficient conditions for the permanence of a discrete-time ratio-depedent predator-prey model with monotonic functional responses.
出处
《甘肃高师学报》
2013年第5期18-20,共3页
Journal of Gansu Normal Colleges
关键词
捕食-被捕食模型
比率依赖
单调功能反应
持久性
predator-prey model
ratio-dependent
monotonic functional responses
permanence.