新疆境内伊犁河流域位于天山北支婆罗科努山与南支哈尔克山之间,中国天山水资源最丰富山段,伊犁河为新疆径流量最丰富河流。新疆集水区面积约5.7万平方公里,占新疆面积3.5%。 年径流量153亿立方米(已扣除从哈萨克斯坦流入的水量14亿立方米),占新疆地表径流总量19%;年均径流深268毫米,为新疆平均值的5.7倍,接近于全国年均径流深值。
伊犁河流域光热资源充分,尤以降水充沛而成为新疆及亚洲中部干旱区的“湿岛”。
The sunshine and heat resources are very abundant in Yili river basin, especially because of its flush precipitation it becomes the damp island in arid region of middle Asia.
研究结果表明:伊犁河流域内分布最多的是草地,草地是景观基质,广泛分布于流域内各种地貌类型;
The results indicated that grasslands were the main landscape type in plain and hilly land of Yilihe watershed.
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