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一、自然環境与农业生产河西走廊位于甘肃省黄河以西,东南起烏鞘嶺,西至敦煌古玉門关,合黎山、馬鬃山脈綿亘于北,祁連山迤邐其南,为一东西长約1200公里的狹长地帶。祁連山脈常年积雪,为本区各河系水流的主要来源,依着南北山脈分合,地势高低起伏,明显地構成了石羊、黑河及疏勒河三个內陆流域。各流域分別匯聚着若干較小河流或潛流,蜿蜒隐現于荒漠沙丘中。
First, the natural environment and agricultural production Hexi Corridor is located in the west of the Yellow River in Gansu Province, southeast Wushaoling, west to Dunhuang ancient Yumen pass, combined Li Shan, Mama mountain stretches in the north, north Qilian Qionglai, for a thing about 1200 Km of narrow strip. The perennial snow cover in the Qilian Mountains is the main source of water flow in the rivers in the area. According to the division of the mountains between the North and the South, the terrain fluctuates and obviously constitutes the three inland basins of Shiyang, Heihe and Shulehe. Each catchment has a number of smaller rivers or undercurrent, meandering in the desert dunes.