A comprehensive analysis was made on the five-year monitoring data of 11 fixed soil erosion monitoring sites of newly established cash crop tree plantations and rehabilitated bamboo forests in eight provinces or autonomous regions of China,which were constructed under the Forestry Development in Poor Area Project ( FDPA) financed by the World Bank.The results show that the afforestation and cultivation operations for the cash crop tree plantations and rehabilitated bamboo forests have resulted in soil erosi...