With hilly and mountainous degraded land conditions in the middle and lower basin ofYangtze River and the ecological projects construction at the present in China. The ecologicalcharacteristics of community structure, species diversity, its ecological effects on soil health,and eco-system functions of soil water holding capacities, water and soil conservation effectswere studied symmatically in Nverzhai watershed, which was the key experiment anddemonstration spot of the Yangtze River Proctction F...