兴国县芦溪小流域,面积5.25平方公里,其中山地占64.6%,耕地占14.7%.流域内有龙口乡的芦溪、中岭、嶂下、都田等四个村,1518人,其中芦溪村的人口占95%.治理区地势西高东低,海拔161.3～475.3米,多为中、低丘陵,属于花岗岩地区,山地土壤为花岗岩风化后形成的红壤.治理前,水土流失极为严重,其中强度与剧烈流失面积占山地面程的80%,生态失调(?) Xingguoxi Luxi Small Watershed covers an area of ​​5.25 square kilometers, of which 64.6% is mountainous and 14.7% is cultivated land. There are 1518 people in Luxi, Zhongling, Xunxia, ​​and Dutian in Longkou Township, of which Luxi Village Of the total population is 95% .Theconstruction area is high in the west and low in the east, 161.3 ~ 475.3 meters above sea level, mostly in the middle and low hills, belonging to the granite area, and the mountainous soil is the red soil formed after the weathering of the granite.The soil erosion before the management is very serious, With severe loss of surface area accounted for 80% of the surface, ecological disorders (?)