中文摘要：

人地关系是地理学研究的核心内容，海洋作为整个地球表层系统的重要组成部分一直与人类社会的发展息息相关。人海关系是广义人地关系组成部分和延展，开展人海关系研究具有丰富人地关系理论和引导海洋可持续发展的双重价值。阐述人海关系与人海关系地域系统的内涵与特性，并分析人海关系地域系统的空间结构和地域类型。进而从人类对海洋资源的开发利用强度角度，简要论述人海关系地域系统的演化，并分析其演化机制。

英文摘要：

The core content of the geography study is man-land relation. The ocean is a very important component of the earth system as a whole. It has been closely connected with the development of human society. Having reviewed a considerable amount of literature concerning man-land relation and marine studies, this paper attempts to study the interaction between human society and the sea on a geographic perspective, namely man-sea relation. Man-sea relation is part and extension of the man-land relation in a broad sense. Studies carried out in this field are of significance to not only the enrichment of the theories of man-land relation, but also marine sustainable development. In the beginning this paper expounds the meaning and characteristics of man-sea relation and regional system of man-sea relation. Then the spatial structure and areal types of the regional system of man- sea relation is discussed. In the end the evolution of the man-sea relation and in the terms of man＇ s exploitation of marine resources. mechanism are briefly analyzed