黄土高原退耕还林(草)环境效应分析

Analysis on Environment Effect of the Returning Farmland into Forest and Grassland on the Loess Plateau

退耕还林(草)是黄土高原恢复植被、改善生态的重要措施之一。随着退耕还林(草)工程的深入,其产生的经济、社会和生态效应也越来越广泛地受到人们的关注。对黄土高原退耕还林(草)影响下的土地利用格局演变、生态和社会效应进行了分析,提出了黄土高原尚待或进一步深化研究的几个问题。

The returning farmland into forest and grassland is one of the important measures of resuming vegetation,improving ecology on the Loess Plateau. On its going on,its economy,society and ecology effect is gotten more and more attention.The authors analyze evolvement on land use pattern,ecology effect and society effect affected by the returning farmland into forest and grassland,and put forward several questions of stand-to or deepening study in the returning farmland into forest and grassland on the Loess Plateau.