【摘要】 大田县坡耕地水土流失严重 ,直接制约农业生产和农村经济的发展。2 0世纪 80年代以来实施了退耕还林 ,累计退耕 4 30 0 hm2 ,占坡耕地面积 71.7% ,有效地控制了水土流失。在深入实地调查的基础上 ,剖析了退耕还林成因 ,并就退耕还林成果及其生态、社会和经济效益进行分析 ,为综合治理福建省坡耕地水土流失提供科学依据。更多还原

【Abstract】 Datian county with serious soil and water loss in cultivated land,it directly restricted agricultural production and the development of countryside economy.Since 1980s 4 300 hm~2 cultivated land has been converted to forests,accounting for (71.7%) of the total sloping cultivated land,and soil and water loss has been effectively controled.The authors dissected the contributing factor of returning cultivated land to forests,and analysed the achievements and the benefits of eco-environment,society and economy on the foundation of investigation,these provide scientific basis for comprehensive control of soil erosion on sloping cultivated land in Fujian Province.更多还原