河西走廊将大规模退耕还林2003年甘肃省将在河西走廊退耕还林108.57亩。由于河西水资源极缺，地下水逐年减少，将主要发展草业，栽种乔、灌木，尤其是成活率高、吸取地下水较少的红柳。对大面积荒滩，宜林则林，宜封则封，将封滩育林与退耕还林相结合。《甘肃敦煌莫高窟保护条 Hexi Corridor will be a large-scale conversion of farmland to forests In 2003, Gansu will return 108.57 mu of farmland to forests in the Hexi Corridor. Due to the shortage of water resources in Hexi and the decreasing groundwater year by year, we will mainly develop grass industry and planted Joe and shrubs, especially those with low survival rate, which will attract more groundwater. On a large area of ​​wasteland, the forest is Lin, Yi Feng seal, will seal the beach and returning farmland to forest combined. Gansu Dunhuang Mogao Grottoes