Eight characteristic deserted grasslands at alpine meadow,alpine grassland in Qumalai of Yushu state,Maduo and Dari of Guoluo state,and the species diversity in there were researched.

• 在江河源地区的高寒草甸、高寒草原中选择8个具有代表性的荒漠化草地进行物种多样性研究,其中对玉树州曲麻莱县郊、果洛州玛多县郊、果洛州达日县窝赛乡三个地区进行了不同演替梯度下的物种多样性分析。