摘要
对环境容量很大且被污染的三种群时变系统进行了研究，给出了三维时变Ｖｏｌｔｅｒｒａ 捕食－被捕食系统弱平均持续生存与绝灭的充分条件．
This paper studies a predator-prey volterra time-varying system of three species in a large capacity polluted enviroment. The sufficient conditions of persistence and extinction for each population have been obtained.
出处
《生物数学学报》
CSCD
2000年第4期413-419,共7页
Journal of Biomathematics
