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1崔河小流域基本情况崔河小流域位于河南省革命老区信阳市光山县东南部斛山乡和砖桥镇境内,淮河一级支流小潢河的上游,流域面积48.50km~2,人口14101人,属北亚热带季风气候区,年均降水量1150mm,年内分配不均,年际变化较大。流域地貌类型属大别山浅山丘陵区,地势东南高西北低,地质岩性多为片麻岩和砂岩,主要土壤有黄棕壤和粗骨性黄棕壤。受自然和人为等多种因素的综合作用影响,流域内水土流失十分严重,2008年实施综合治理
1 Cuihe small watershed basic situation Cuihe small watershed is located in revolutionary old district of Xinyang City, Henan Province, Guangshan County, southeastern Gushan Township and brick Qiaoxian Huaihe tributary of the upper reaches of the small Huanghe River basin area of 48.50km ~ 2, population 14101 People, belongs to the northern subtropical monsoon climate zone, with an average annual rainfall of 1150mm, uneven distribution during the year, interannual variation. The basin landform belongs to the shallow hills in the Dabie Mountains. The terrain is low in the southeast and high in the northwest. The geologic lithology is mostly gneiss and sandstone. The main soil is yellow brown soil and coarse-grained yellow-brown soil. Affected by the combined effects of natural and man-made factors, the soil and water loss in the basin is very serious. In 2008, comprehensive management was implemented