Based on the inquisitional data of sampling sites, the biodiversity of the natural plant community in Aral area is analyzed by adopting diversity index, richness index and evenness index.

• 根据对样地的实际调查资料，采用物种多样性指数、丰富度和均匀度指数对塔里木河上游阿拉尔地区的天然植被的物种多样性进行了分析。