地块图的编制与讨论——以长武王东沟试验区地块图编制为例

Land Patch Mapping and Discussion——Taking Changwu Experimental Area as an Example

该文以长武王东试验示范区为例,将地块作为地理信息系统中信息采集与存贮的基本单元,对地块的形成、分类、地块图的编制方法及与之有关的几个问题,如地块图的理论基础和实践意义、地块图的显示内容、地块图的稳定性等,进行了初步讨论。

Land patch is a agricultural-landscape unit which has relative uniform phisical and socia-economic features andutility direction. The patch-structure pattern is a historical product and represents theregional character. Land patchmap can be used as the base of thematic series mapping and GIS. In this paper, thd related topics, sudch as thd con-tents, stability, basic principles and means of land patch map are discussed, according to the results from a case studyin Changwu experimental and demonstritive area of Loess plateau.