根据北方沙岸的地形立地及海洋性灾害特点,因地制宜、因害设防,建成由灌草带、基干林带、经济林木种植带、农田林网、梯田地埂水保林、山地水源涵养林构成的沙质海岸防护林体系,具有多树种、多林种、多层次、多功能,取得了明显的生态、经济和社会效益,并形成了系统科学的建造技术。 According to the topography of the northern sand bank and the characteristics of marine disasters, the project is composed of shrub-grass belt, basic forest belt, economic forest planting belt, farmland forest net, terraced field water conservation forest and mountain water conservation forest according to local conditions and fortification. The sandy coastal shelterbelt system has many species, multi-forest species, multi-level and multi-functions, and has obtained obvious ecological, economic and social benefits, and has formed a systematic and scientific construction technology.