Plant Species Diversity in Wetlands in Source of Qiupu River

Using TWINSPAN and principal component analysis methods,the plant species diversity in the wetlands in the source of Qiupu River was studied,and 34 quadrats at 6 sampling sites were sequenced.The results showed that 38 dominant plant species were found in 34 quadrats which could be classified as 11 plant associations;and the plant communities surveyed could be categorized into aquatic plant community,marsh plant community and beach plant community.