三北地区灌木种类繁多,灌木具备适生范围广,适应性强,根系繁茂,耐寒耐旱、耐瘠薄、抗盐碱、水湿、易成活,经济效益显著,营造成本低等许多特殊的生物学和生态学特性,是三北地区大面积困难地段造林的先锋树种。其在三北工程建设中具有重要的地位与作用。 There are many shrubs in the Three North Regions. Shrubs have a wide range of suitable habitats, strong adaptability, lush roots, cold and drought tolerance, infertility, salt and alkali resistance, water wet, easy survival, significant economic benefits, creating low cost and many other special organisms Learning and ecological characteristics, is a pioneer tree species afforestation in three large areas of difficult areas. It has an important position and role in the construction of the Three North Project.