依据南水北调西线工程涉及阿坝州四个县的历史资料和现地调查资料,结合工程概况和生态区位,着重从工程对植被的影响、对生态因子的影响、对环境的影响等区域生态系统的影响,同时对天然林保护工程、退耕还林工程、种苗业等林业产业建设方面的影响,提出了工程建设中及建成后的对策措施。 According to the historical data and the spot investigation data related to the west line project of South-North Water Diversion Project in four counties in Aba Prefecture, with the general situation of the project and the ecological location, the impacts of the project on the vegetation, the impact on the ecological factors and the impact on the environment are emphasized Influence, at the same time on the natural forest protection project, the project of conversion of cropland to forest, seedling industry and other forestry industry construction, put forward the project construction and after the completion of the countermeasures.