具有完全杂食性的四种物种食物链的持久性。
Persistence of a four species food chain with full omnivory.
作者信息
Sikder A, Roy A B
机构信息
Department of Mathematics, Jadavpur University, Calcutta, India.
出版信息
Biosystems. 1993;31(1):39-47. doi: 10.1016/0303-2647(93)90015-5.
PMID:8286704
Abstract
We consider here a food chain composed of four species with full omnivory with Lotka-Volterra dynamics. Conditions for uniform persistence and weak persistence of the food chain are derived. It is also shown that the system exhibits a heteroclinic cycle.
摘要
我们在此考虑一个由四个具有完全杂食性且服从洛特卡 - 沃尔泰拉动力学的物种组成的食物链。推导了该食物链均匀持续生存和弱持续生存的条件。还表明该系统呈现出一个异宿环。
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