【摘要】 胡杨是古地中海残遗植物种 ,胡杨林生态系统在绿洲演替与发展的不同阶段发挥着主要作用。额济纳胡杨林是我国第二大胡杨林 ,是维系额济纳绿洲存在的重要天然屏障。本文通过对胡杨林生态效益的评价 ,提出胡杨林不仅在生态系统方面有重要作用 ,而且对当地及周边地区的经济、社会发展也有不可替代的作用。并对当前胡杨林存在的问题 ,利用保护生物学和恢复生态学加以研究 ,为胡杨林的保护提出一些措施。更多还原

【Abstract】 Populus euphratica is surviving plant of ancient Mediterranea sea and natural barrier to remain E Ji Na oasis. It plays an important role in function and evolution of Populus euphratica forest ecological system. This thesis draws up the function of Populus euphratica forest ecological system and so on economy and Society furtion to native and all round areas by evaluating its ecological beneficial. Utilizing Conservation Biology and Restoration Ecology to handle the present problem of Populus euphratica and put forward Populus euphratica forest protecting view.更多还原