Analysis of Greening and Species Diversity of Campus Communities in Changsha of Hunan Province

A survey on plant species used in campus of 9 universities in Changsha was carried out,combined with SBE method,the quality of campus landscape greening was evaluated.① There were 224 kinds of tree species,including 80 kinds of trees,118 kinds of shrubs,10 kinds of vine applied in university campus in Changsha.②Simpon index on the tree layer of nine universities showed a even distribution of the species and there are no clear dominant species,shrubs layer showed a greater dominance.③ Pielou index of tree layer and shrub layer showed a significant difference between schools,Pielou index of Hunan University,Central South University which are old campus was significantly higher than other new campus.SBE results showed that universities which have a long history have better views.The lower level of the biodiversity and unreasonable planting design were the most key problems in campus greening in Changsha,and the suggestions and countermeasures were put forward.