论文部分内容阅读
1 成就与效益在我国西北、华北及东北西部(以下简称三北地区)建设大型防护林体系工程是继中华民族引以为荣的万里长城建筑之后,建设的一条更为壮观的具有生命的宏伟长城。其范围东起黑龙江省的宾县,西至新疆维吾尔族自治区的乌孜别里山口,东西长4480km,南北宽560~1460km,总面积406.9万(km)~2,占国土总面积的42.4%,包括陕、甘、宁、青、新、晋、冀、京、津、内蒙古、辽、吉、黑13个省、市、自治区的
Achievements and Benefits The construction of a large-scale shelter forest project in Northwest China, North China and western Northeast China (hereinafter referred to as “the Three North regions”) is a grand and magnificent Great Wall with life after the Great Wall of China, which is proud of the Chinese nation, . Its scope starts from Binxian in Heilongjiang Province to the west of Uzbek Pass in the Xinjiang Uygur Autonomous Region. Its east-west length is 4480km and its width is 560 ~ 1460km from north to south with a total area of 4,069,000 (km) ~ 2, accounting for 42.4% of the total land area. Including Shaanxi, Gansu, Ningxia, Qinghai, Xinjiang, Shanxi, Hebei, Beijing, Tianjin, Inner Mongolia, Liaoning, Kyrgyzstan and