青海省坡改梯效益分析评价

Analysis and Evaluation on Project of Transforming Slope into Terrace in Qinghai Province

根据调查和试验资料，对青海省１９９４年前所修的１２．４３万ｈｍ２坡改梯工程，据有关指标作了投入产出定量分析，从而较科学地肯定了坡改梯的社会效益、经济效益和生态效益。通过分析评价，充分说明坡改梯工程，对控制水土流失，改善生态环境起着十分重要作用，它对促进青海省粮食产量再上新台阶，促进经济发展，及山区群众脱贫致富均具有一定的现实意义。

Based on the material of investigation and experment,according to some relevant indexs,12.43×104hm2 of transforming slope into terrace project in Qinghai province which constrcted in 1994, is quantitatively analysized about the input and output.Thereby,the benefits of socity,economy and ecology of the project is confirmed scientifically.It is fully illustrated that the project play an very important role in controlling soil and water loss,in improving the ecoevironment,it has a practical significance for promoting the crop yield of Qinghai province to reach a new step,and for promoting the economical development and taking the mountainous people from poverty to wealth.