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祁连山北坡水源涵养林,位于河西走廊的南部,是疏勒河、黑河及石羊河等三大内陆水系及其大大小小七十多条支流的发源地。年平均总迳流量达70多亿立方米。它不仅直接影响到我省河西地区,工业生产、农林牧业生产、以及人民生活用水;而且对于调节气候,改善河西地区的水文状况,促进生态平衡,保障河西地区商品粮基地建
The water conservation forest on the northern slope of the Qilian Mountains is located in the southern part of the Hexi Corridor and is the birthplace of three major inland water systems including the Shulehe River, the Heihe River and the Shiyang River and its more than 70 tributaries of all sizes. The average annual total 迳 flow of more than 70 billion cubic meters. It not only directly affects the Hexi area, industrial production, agriculture, forestry, animal husbandry and production, as well as water for people’s daily life; but also plays an important role in regulating climate, improving the hydrological conditions in Hexi area, promoting ecological balance and protecting the commodity grain base in Hexi area