摘要
讨论了一类被捕食者种群为非线性密度制约,捕食者种群无密度制约且具Ivlev功能性反应的捕食者-食饵两种群模型,得到系统不存在极限环和至少存在一个极限环的条件.
Qualitative analysis of a Prey Predatory system with Ivlevs functional response is studied in this paper. The conditions of the existence and nonexistence of limit cycle are given for such system.
出处
《北华大学学报(自然科学版)》
CAS
2002年第5期381-384,共4页
Journal of Beihua University(Natural Science)