东川区第三次全国国土调查与森林资源管理“一张图”数据对比研究

Study on differences between the third nationwide land survey and forest resources map in Dongchuan district

论文以东川区为例,对第三次全国国土调查和森林资源管理"一张图"成果进行空间叠加分析,并找出其中差异和原因。结果显示,成果数据在林地面积、森林面积、公益林面积、天然林面积等方面差异较大,对林地保有量、森林覆盖率、生态效益补偿、天然林保有量等指标产生较大影响。建议各行政主管部门加强合作,进一步核实差异图斑,为新一轮林地保护利用规划和优化完善相关成果提供科学依据。

Taking Dongchuan district as example,comparing with the third nationwide land survey and forest resources map,the difference of land scope were found by superposition.The results manifested that there were great differences among forest land area,forest area,public welfare forest area and natural forest area.The different data influenced on forest land,retention forest coverage,ecological benefit compensation,natural forest conservation and other factors.It is suggested that the administrative departments should strengthen cooperation and further verify the different spots,which would provide scientific support to the new round of forest land conservation and utilization plan,improve relevant achievements.