知识与财富的链接
以莱西市第二次土壤普查数据资料,野外采样分析资料,土壤与土地利用状况调查资料为依据,通过MAPGIS软件平台,建立了以村级土种类型图斑为基本单元的空间数据库.应用Visual FoxPro数据库软件输入相关属性数据,采用"村名+土种类型+数字"方法建立关键字段,连接属性数据库与空间数据库,构建了莱西市土壤数据库.探讨了建立莱西市土壤数据库的流程和技术要点,可为莱西市土壤资源管理与决策服务,并为其它县域土壤数据库的建立提供参考.
Take the soil database establishment of Laixi City as an example, this article elaborates the essential techniques and process on how to establish soil database. After field sampling and investigation, the soil database of Laixi City was established on the basis of soil and land use status investigation data. Soil database of Laixi City consists of soil spatial database and soil attribute, component which were structured by the technique of MAPGIS and Visual FoxPro. Basic unit of soil spatial database is grid map that each village was allocated one type of soil species. Soil attribute database and spatial database is connected by the key fields of"village, soil species and the corresponding number". This research probably can offer service for soil resource management and decision of Laixi City and provide some references for the soil database establishment of other counties.
