三北防护林体系建设五期工程中期评估范围县

该数据为三北防护林体系建设五期工程中期评估范围县的空间分布数据。数据来源于国家林业局西北华北东北防护林建设局和国家林业局西北林业调查规划设计院编著的《三北防护林体系建设五期工程中期评估报告》，根据中国县级行政区划矢量边界整理成图。数据为矢量数据，包括行政区划代码、行政区划名称、防护林体系建设地区类型等属性字段。该数据为三北地区生态保护、建设管理等提供数据支撑服务。

This dataset contains spatial distribution data of counties within the mid-term assessment scope of the Three-North Shelter Forest Program Phase V. The data is derived from the *Mid-term Assessment Report of the Three-North Shelter Forest Program Phase V* compiled by the Bureau of Shelter Forest Construction in Northwest, North and Northeast China and the Northwest Forest Inventory and Planning Institute under the National Forestry and Grassland Administration, and was processed into vector data based on the vector boundaries of China's county-level administrative divisions. This is vector data with attribute fields including administrative division code, administrative division name, regional type of shelter forest system construction and other relevant attributes. This dataset provides data support and services for ecological protection, construction management and other related work in the Three-North region.

搜集汇总

背景与挑战

背景概述

该数据集为三北防护林五期工程中期评估范围县的空间分布数据，包含矢量格式的行政区划信息和防护林类型属性，主要用于生态保护和建设管理。数据来源于官方评估报告，质量良好，覆盖中国三北地区。