摘要
利用重合度理论讨论了稀疏效应下Holling第Ⅱ型功能性反应 2种群捕食者 食饵周期系统的正周期解 。
By using analysis technique and the method of coincidence degree,the existence of the periodic solution for an nonautonomous predator prey system with sparssing effect and Holling type Ⅱ funcional response is established.
出处
《河北师范大学学报(自然科学版)》
CAS
2003年第4期327-330,336,共5页
Journal of Hebei Normal University:Natural Science