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防护林建设是国土整治的一项重要内容,具有重大的生态效益、社会效益和经济效益.随着全球性经济建设的发展和人类社会进步,作为地球陆地主要生态系统的森林,在保护环境、净化大气、维护生态平衡、保障工农业生产和人类生活等方面,有着重要的意义和影响.森林的多种公益效能,日益得到很高的评价,森林对于人类赖以生存的环境保护作用,
The construction of shelterbelts is an important part of land remediation and has significant ecological, social and economic benefits.With the development of global economic construction and the progress of human society, as the main land ecosystem of the Earth, The atmosphere, the maintenance of ecological balance, the protection of industrial and agricultural production and human life, etc. It has an important significance and impact on many kinds of public welfare performance of forests and has been increasingly highly appraised. The forest plays an important role in protecting the environment on which mankind depends,