National Forest Inventory 3 (1997-2006)

Mapping of National Forest Inventory No. 3, at 1:50,000 scale, prepared by the Ministry of Environment and Rural and Marine Affairs for the study of the probable evolution and production capacity of all types of goods in the Spanish mountains. The organisation of the documentation is by province and the review of the data is decennial.本数据集为西班牙环境与农村和海洋事务部（Ministry of Environment and Rural and Marine Affairs）为研究西班牙山地各类物产的潜在演化趋势与生产能力，编制的1:5万比例尺第三次全国森林清查（National Forest Inventory No.3）专题地图。该数据集的文档按省份进行组织，数据评审每十年开展一次。