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自1978年开始,我国相继开展了“十大生态工程”建设,规划总面积705.6万公里,占国土面积的73.5%,囊括了我国重点水土流失区和风沙危害区,构成了我国林业生态建设的主体。1、“三北”防护林体系建设工程。被誉为“中国绿色长城”的此项工程横跨三北地区13个省(区、市),从1978年启动到2050年结束,是当今世界最大的生态工程。到1997年,共完成造林2578万公顷,森林覆盖率由1978年的5.05%提高到9.00%。
Since 1978, China has successively launched the construction of “Top Ten Ecological Projects” with a total planned area of 7,506,000 km, accounting for 73.5% of the total land area, covering key water and soil loss areas and wind-blown hazardous areas in our country. The main body of construction. 1, “Three North ” shelterbelt system construction project. Known as the “Great Green Wall of China”, the project stretches across 13 provinces (autonomous regions and municipalities) in the Three North regions, starting from 1978 to the end of 2050 and is the largest ecological project in the world today. By 1997, a total of 25.78 million hectares of afforestation were completed and the forest coverage rate increased from 5.05% in 1978 to 9.00%.