在新世纪初 ,党中央作出了实施西部大开发战略的重大决策 ,将生态环境建设作为根本和切入点。目前 ,天然林保护、退耕还林还草、“三北”防护林等重点工程为主要内容的大规模的西部生态环境建设掀起高潮。我省自 2 0 0 0年开始实施退耕还林还草工程试点示范工作 ,两年来 ,根据 At the beginning of the new century, the CPC Central Committee has made major decisions on implementing the strategy of developing the western region in large scale, taking the construction of the ecological environment as the fundamental starting point. At present, the climax of large-scale ecological environment construction in western China, including the protection of natural forests, the return of cultivated lands to forests and grasslands, and the key projects such as the “Three Norths” shelterbelt, has been the culmination. Since 2000, our province has implemented pilot demonstration projects of returning farmland to forest and grassland project. In the past two years,