APPROACH TO THE REGIONALIZATION OF AGRICULTURAL PASTURALIZATION AROUND CHANGSHAN ISLANDS IN NORTHERN YELLOW SEA

摘要

Based on the data of resources, environment and foundation of production, applying principal components-clustering quantitative analysis, this article divides the maritime space of Changshan Islands into three regions ofagricultural-pasturalization, providing a scientific basis for the rational distribution of marine cultivation. The three regions are as follows: 1 )The region of an agricultural-pasturalization in the northern part of maritime space. It includes DaWangjia and Shicheng islands. The main production is cultivation of prawn and molluscs in sea beach, float raft cultureof mussel in shallow sea and scallop, and breeding of sea cucumber in submarine. 2) The region of agricultural-pasturalization in the middle western part of maritime space. It includes Da Changshan and Guanglu islands, and westem part of Xiao Chengshan Island. The main production is float raft culture of mussel and scallop in shallow sea, and breeding of sea cucumber in submarine. 3)The region of agricultural-pasturalization of the southeastern part of maritime space.It includes the eastern part of Xiao ChangShan Island, Haiyang and Zhangzi islands. The main production is breeding ofabalone, sea cucumber, algaes and fish.