21世纪是绿色文明的世纪,面对人类社会可持续发展的要求和趋势,世界各国政府和人民都在积极致力于改善生存环境,加强生态建设。我们吉林省是环境与资源相对较好的地区,全省由东向西形成明显的东部森林、中东部低山丘陵、中部平原和西部草原湿地4个生态区,生态环境的多样性、整体性、可恢复性特点比较典型。多年来,我省生态建设工作者同西部人民一道与风沙和荒漠进行着坚持不懈、艰苦卓绝的斗争,通过反复探索和实践,下功夫探索防风固沙的学问,研究 The 21st century is a century of green civilization. Faced with the requirements and trends of sustainable development of human society, governments and people of all countries in the world are actively committed to improving the living environment and strengthening ecological construction. Jilin Province is a region with relatively good environment and resources. There are four ecological zones in the eastern part of the province, including the eastern forest, the hilly areas in the central and eastern regions, the central plains and the western grassland wetlands. The diversity, , Recoverability is more typical. Over the years, the ecological construction workers in our province, together with the people in the west, have been persecuted and arduous in fighting hardships and deserts. Through repeated exploration and practice, they have made efforts to explore the knowledge of windbreak and sand fixation,