论文部分内容阅读
沙棘在植物学分类上属胡颓子科沙棘属。沙棘又名酸刺(陕西)、醋柳(山西)、黑刺(青海),广泛分布于我国北部和西南部的辽宁、河北、内蒙古、山西、陕西、甘肃、宁夏、青海、四川、云南、西藏等十几个省(区)。垂直分布于海拔1000—4000米之间,多生于河漫滩、河谷阶地、洪积扇、山麓、丘陵河谷以及草原边缘和沙区的丘间低地。沙棘是干旱、半干旱地区造林的优良树种。它在年降水量为200毫米的地区可以生长,能耐-50℃的严寒和60℃的高温。既耐水湿盐碱,又抗干旱瘠薄,不同海拔、不同立地
Seabuckthorn in the botanical classification is Elaeagnus Sophora. Seabuckthorn, also known as sour thorns (Shaanxi), vinegar willow (Shanxi), black thorn (Qinghai), widely distributed in northern and southwestern Liaoning, Hebei, Inner Mongolia, Shanxi, Shaanxi, Ningxia, Qinghai, Sichuan, Yunnan, Tibet and more than a dozen provinces (districts). Vertical distribution at an altitude of 1000-4000 meters, mostly born in the floodplain, valley terrace, alluvial fan, foothills, hilly valleys, and grassland edge and sand dune lowland. Seabuckthorn is an excellent species for afforestation in arid and semi-arid areas. It grows in areas with an annual rainfall of 200 mm and is able to withstand the cold at -50 ° C and the hot at 60 ° C. Both water and salt wet and dry, barren and drought-resistant, different elevation, different sites