Taking Liancheng County,Fujian Province as an example,the spatial analysis method was used to overlay and analyze the data from the forestry forest resource survey and the national land survey of the natural resources department.The differences in overall land classification recognition between the two databases were statistically analyzed,as well as the differences in land classification recognition within the current forest management area.Based on the comparative analysis of data from forestry surveys and land resource surveys from 2018 to 2021,the reasons for the differences in survey data between the two departments were analyzed,including differences in data accuracy requirements,differences in data classification and management perspectives,etc.And under the existing investigation policies and technologies,propose methods to solve the problem of survey data differences,providing reference significance for the gradual unification and standardization of survey data between the two departments.
万方数据
