一、生态学特性及分布 沙棘(Hippophae rhamnoides L.),胡颓子科沙棘属;是具有共生固氮能力的野生落叶灌木或乔木。 沙棘喜光,叶片光补偿点 150～160呎烛光,生长快,适应性强,抗风耐沙,耐盐碱(pH=9),耐水湿,可忍受-50℃的低温,喜生长于高山河流两岸冲积滩地、草原或沟谷。在西北黄土丘陵地区常生长在向阳处。从叶部水分测定结果看,沙棘至少与 First, the ecological characteristics and distribution Hippophae rhamnoides L., Elaeagnus Sophora; is a symbiotic nitrogen fixation of wild deciduous shrubs or trees. Seabuckthorn hi light, leaf light compensation point of 150 to 160 feet of candle light, fast growth, adaptability, resistance to wind and sand, salinity (pH = 9), water wet, can withstand low temperatures of -50 ℃, hi grows in the mountains and rivers Alluvial beaches, grasslands or valleys across the Taiwan Strait. In the northwestern loess hilly areas often grow in sunny place. From the leaf moisture measurement results, seabuckthorn at least with