【摘要】 中国西北干旱区是我国进行西部大开发的重要区域之一 ,占据全国 1 /4的面积 ,资源相对丰富 ,是我国经济发展的后劲所在。然而 ,西北干旱区气候干旱、生态环境脆弱 ,人地关系较为复杂 ,矛盾突出 ,许多生态环境问题不得不给予足够的重视。本文从生态环境赖以形成的地质历史出发 ,分析了西北干旱区生态环境的特点及现存的若干问题 ,并提出了相应的建议。更多还原

【Abstract】 The arid land of the north-western China has been designed to be one of the most important region in west exploiting,because there are not only 25 percent of the whole country’s area,but also with more abundance of natue resource. Moreover,it was regarded as the potential advantages to develop our country’s economics. However,it is well known that the ecological environment of arid land is very vulnerable (such as the dry climate), and its relationship between man and nature is very complex.According to this,we must put important on the ecological environment of arid land.So,in this article,we depend on the geological history of ecological environment,analyzing the character and some existing problems of ecological environment.At last,we put up the coordinately suggestion.更多还原