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云南省东北部的小江流域是我国暴雨型泥石流集中发育的地区之一。在其主河两侧有较大的泥石流沟50多条,其中规模大、危害严重的有蒋家沟、大桥河、大白泥沟、小白泥沟和老干沟等。十多年来,为了发展工农业生产,以及交通运输事业的需要,对泥石流进行了治理。小江泥石流的治理主要包括危害农田、公路和铁路三方面的泥石流治理。
The small river basin in the northeast of Yunnan Province is one of the areas where the rainstorm-type debris flow concentrated in our country. There are more than 50 debris flow ditches on both sides of its main river, of which large scale and serious harm include Jiangjiagou, Daqiaohe, Dachai muddy ditch, Xiaobai muddy ditch and Laojiangou. For more than a decade, in order to develop industrial and agricultural production, as well as the needs of transportation, the debris flow was governed. The management of debris flow in Xiaojiang mainly includes the control of debris flow in the three aspects of farmland, road and railway.