胡杨为中生阳性树种,天然分布于荒漠河谷两岸,具有较强的耐旱、抗盐碱能力,是盐碱地造林、改造戈壁荒滩的优良树种。它抗风蚀,耐沙埋,是营造防风固沙林难得的好树种。胡杨材质细腻,不变形,是建筑、家具的好材料。它用途广泛,深受群众欢迎。我区额济纳河流域分布有三十三万亩胡杨林,当地群众把它看做是生产、生活不可缺少的重要资源。这片胡杨林也是我区仅有的一片分布集中、面积较大的木本植物种群。五十年代后期,这片林地由于管理、利用不当,大部分已成衰 Populus euphratica positive species, natural distribution in the two sides of the desert valley, has strong drought tolerance, resistance to salt and alkali, is the saline-alkali afforestation, transformation of the Gobi desert beach excellent tree species. It is resistant to wind erosion, sand buried, is to create a good windbreak sand plant good species. Populus delicate material, not deformed, is a good building materials, furniture. It is widely used, welcomed by the masses. There are 333,000 mu Populus euphratica distributed in the Ejin River Basin in our district, and the local people regard it as an indispensable important resource for production and life. This piece of Populus euphratica is also the only distribution of a large area, the woody plant population. In the late fifties, most of the woodland was in decline because of its management and misuse