【摘要】 松嫩沙地位于欧亚大陆中纬度巨型沙带的东部边缘，也是我国沙漠化土地的东缘，其独特的生物气候条件、发育历史与区位条件，使松嫩沙地具有不同于其它沙地的特点。本文较系统地论述了该沙地沙漠化的生态系统条件与特点，并在此基础上提出了相应的沙地整治与开发对策。更多还原

【Abstract】 Songnen Sandy Land lies in the eastern fringe of huge sandy belt of middle latitude in Eurasia Continent.Here is also the eastern fringe of desertization land in P.R.China.Its special conditions such as biology and climate,the historical development of sandy land and its location make it possess different features from other sandy lands. In this article features of ecoeogical system of desertization in Songnen Sandy Land are systematically discussed, some counter-advice is also given for the rehabilitation and development in this area. \ \更多还原