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我国西北、华北、东北(三北)防护林工程内的林业,主要是干旱半干旱地区林业。为使这个地区的林业得到更大发展,应该充分利用现有的产品、技术和劳动力,与世界各国进行林业贸易往来及合作。这是重要的战略问题,应该受到极大的重视。一、“三北”林业发展外向型经济的重要性“三北”防护林建设于1985年结束了为期8年的第一期工程,第二期工程已从1986年开始,将在10年左右完成。此项工程建设范围包括13个省(区、市)的152个县(旗),治理面积为400万平方公里,占我国国土面积的41％。不言而喻,进行如此广大范围内的造
Forestry in Northwest, North China and Northeast (Three North) shelterbelt in China is mainly arid and semi-arid areas. In order to achieve greater development of forestry in this area, it is necessary to make full use of existing products, technologies and labor resources to conduct forestry trade and cooperation with other countries in the world. This is an important strategic issue that deserves great attention. I. The Importance of “Three Norths” Forestry to Develop an Export-oriented Economy The construction of the “Three Norths” shelterbelt ended its first phase of eight years in 1985 and the second phase of the project started in 1986 and will be completed in about 10 years . The scope of this project includes 152 counties (banners) in 13 provinces (autonomous regions and municipalities) with a governance area of 4 million square kilometers, accounting for 41% of China’s total land area. It goes without saying that such a wide range of manufacturing