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论文类型：期刊论文

发表时间：2006-05-01

发表刊物：INTERNATIONAL JOURNAL OF MODERN PHYSICS C

收录刊物：SCIE、Scopus

卷号：17

期号：5

页面范围：711-720

ISSN号：0129-1831

关键字：predators and prey; Monte Carlo; odor

摘要：The model of predators and prey, in which the predator judges the direction of prey's movement on the basis of the density of prey's odor will be researched in this article. The predator's sensitivity to prey's odor is defined, so that can be simulated by Monte Carlo in L x L. It suggests the relationship between system stability and each value of Predator's sensitivity. We get three system states for different value of alpha (predator's sensitivity): the grass only, prey and the grass, three species in coexistence, with predators, prey and grass. But the probability of each system state is different. Their corresponding distribution will be given in this article.