Abstract:To explore the property and characteristics of the rare plant communities in the mixed forests of evergreen and deciduous broadleaved trees in the mountain area of Chinese subtropical region,6 types of rare plant communities at Dalaoling region in the Three Gorges were surveyed.Their flora,species diversity,community structure,relationship between species,spatial pattern,as well as population structure and the trend of community succession were analyzed here.The results suggested that:①The ratio of the more...