It has fragile ecology , prone mountain hazards , high watershed sediment yield and vegetation coverage .
生态环境脆弱,山地灾害多发,河流产沙量高,植被覆盖度高。
Study on Small Watershed Single Storm Erosion Sediment Yield in Loess Region
黄土地区小流域次暴雨侵蚀产沙研究