开发西部切入点的研究──以黄土高原生态环境建设切入点为例

本本文以黄土高原为例，讨论了生态环境建设作为开发西部切入点的科学和实际意 义。从黄土高原毁林毁草耕垦和人为加速侵蚀的发展，剖析了退耕还林还草作为生态环境建 设切入点的科学依据。在此基础上，又进一步剖析了退耕还林还草的切入点及其实施对策。

The western development is an important strategy task in our country ,but it is limited by soil erosion and land desertification, so the key point to carry out the western development is defined by the preservation and construction of eco- environment. According to the occurrence and development of soil erosion process, the key point to carry out the eco-environment construction has been studied and analyzed further in the paper. The natural erosion changing into the accelerated erosion was also demonstr...