摘要
讨论了一类具有第Ⅱ类功能反应函数的三种群离散捕食系统,应用差分方程比较原理得到了三物种持续生存的充分条件.
A discrete predator-prey system with Holling Ⅱ functional response of three species was considered.By applying the comparison theorem of difference equation,sufficient conditions were obtained for the permanence of the system.
出处
《南阳师范学院学报》
CAS
2011年第9期1-3,共3页
Journal of Nanyang Normal University
基金
河南省自然科学基金项目(2009A110016)
关键词
离散系统
持久性
功能函数
discrete system
permanence
power function
