海洋农牧化就是要在海域中,对贝、藻、鱼、虾类生物资源进行人工养殖、增殖以提高资源量。从捕天然生物资源转变成为以捕增养殖资源为主的生产方式。通过对长山群岛海域发展海洋农牧化的海域环境以及海水的理化因子等进行评价,并对该海域海水增养殖的发展状况、养殖品种及构成变化特征进行了分析,最后,应用主成份—聚类分析方法,将长山群岛海域环境划分为三个海洋农牧化区域,为因海制宜、合理布局海水增养殖生产提供科学依据。

Marine agricultural-pastoralization is a production mode used in marine region,which exploits resources from reproduction,instead of natural biology,through artificial cultivation of biological resources such as shell,algae,fish,shrimp and so on.At first,this paper appraises the factors such as maritime spatial environment and physic chemistry to develop marine agricultural-pastoralization in marine region of Changshan Islands.Then the authors gave an analysis oh marine reproduction,the developing situation and types of the marine farming,as well as the trend of changes of constitution.In the end,the maritime spatial environment of Changshan Islands is divided to three regions by the method of principal component-cluster analysis,which provides a scientific basis to marine farming for reasonable layout.