海坛岛风成沙基本特征及其开发利用意义

海坛岛是福建省的主要风沙分布区,风成沙同花岗岩、风力并列为岛上的三大自然资源。风成沙是海坛岛风沙土的成土母质,也是高质量的石英砂矿源,但是如果开发利用不当极易酿成沙害。根据风沙地貌类型及其分布特征、风成沙成分特征等,提出了以防风固沙为前提,把风沙地划分为东部沿岸防护林区、内侧农业开发区和西部砂矿开采区三个不同功能区。

THE MAIN CHARACTERISTICS AND THE SIGNIFICANCE OF THE EXPLOITATION, UTILIZATION OF EOLIAN SANDS IN HAITAN ISLAND, FUJIAN PROVINCE

Haitan Island is a main district with eolian sands in Fujian Province.Eolian sands,granites and wind power are the three major natural resources in the island.Some eolian sands are the parental substances of soils,and are the high qualitative sand deposits too.If one doesn't make uses of eolian sands rationally,it will lead to wind-sand disaster easily.According to the type and distribution of eolian landforms,taking sand-fixation forest as premise,this paper divides the eolian sand district inito three different functional areas which including the area of sand-fixation forest along the east coast,the area of interior agricultural exploit,and the area of the west sand ore deposits.