借鉴生态学中的群落交错区边缘效应理论,探讨信息群落交错区边缘效应的概念、表现及其影响因素。信息群落交错区指两个或多个信息群落里同时拥有的信息人所构成的区域,信息人的多样性信息结构有助于边缘效应的产生,表现为集肤、加成、协同等作用,信息群落的发展程度、信息人生态位宽度和信息群落交错区的大小会影响边缘效应的强弱。 Using the edge effect theory of ecotones in the ecotones, the concept, the performance and the influential factors of the fringe effect in the ecotone community are discussed. The intersection of communities of information refers to the area formed by two or more information people in the information community at the same time. The information structure of information diversity contributes to the emergence of marginal effects, which are manifested as the functions of skin collection, addition and coordination, The development of information community, the niche width of informants and the size of the interlaced area of ​​information communities will affect the strength of the fringe effects.