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土地变更调查是基于土地利用现状调查的基础上,为了保持土地利用现状调查成果的现势性和准确性,根据《土地调查条例》,国土资源部每年组织开展土地变更调查,更新土地调查数据库。土地变更调查数据作为中国各省、市、区、县土地资源存量和通量的最直观反映,不仅对国土部门在土地管理方面的工作具有重大意义,在其他部门和科研工作中也得到了广泛的应用。
Land use change survey is based on the survey of land use status. In order to maintain the current situation and accuracy of land use status survey results, according to the Land Survey Regulations, the Ministry of Land and Resources organizes an annual survey of land change and updates the land survey database. As the most direct reflection of the stock and flux of land resources in all provinces, cities, districts and counties in China, the data of land change surveys not only have great significance for the work of land administration departments in the land administration but also have been widely used in other departments and scientific research work application.