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.

• 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。