摘要
主要研究了具有Holling Ⅳ型功能反应的非自治三种群食物链离散系统,并且运用差分方程的比较原理和数学分析方法,得到了该系统一致持久的充分条件.
The paper discusses the discrete three-species food-chain system with the Holling IV functional responses.By applying the comparison theorem of difference equation and the mathematical analysis method,sufficient conditions are established for the permanence of the obtained results.
作者
张玲
ZHANG Ling(Department of Science,Dingxi Campus of Gansu University of Traditional Chinese Medicine,Dingxi,Gansu 743000,China)
出处
《伊犁师范学院学报（自然科学版）》
2018年第3期5-9,共5页
Journal of Yili Normal University：Natural Science Edition
