Study on the plant community structure of park green space in Xuancheng.
The result of the investigation and analysis of plant community structure in 212 sample spots in Xuancheng city parks shows that there are 171 species of garden plants belonging to 121 genera of 69 families, 61.4% of which are native and 38.6% exotic. Trees with largest importance value are camphor trees; shrubs are cuckoos, respectively accounting for 18.949% and 10.173%. There are 6 main types of plant communities, most of which are artificial. The number of sample spots with evergreen defoliate and broadleaved forests takes the largest percentage, accounting for 43.4%, and the evergreen broad-leaved forests of zonal plant type accounting for only about 15.1%. The similarity of plant community is under 0.5, between moderate dissimilarity is dissimilarity. Jingtinghu Park and Meixi Park has the greatest similarity. That is 0.409. And Xiangshan Park and Fushan Square have the minimum similarity, only 0.047.