Physical and chemical properties of riparian soils in the Taizi River Basin and their relationship with environmental factors Endophytic fungal communities of Stipa sp. roots in different types of steppes in northern China. Environmental factors affecting plant species diversity of understory plant communities in a Castanopsis hystrix plantation chronosequence in Pingxiang, Guangxi, China Spatiotemporal heterogeneity and its formation causes of soil physical properties in karst peak-cluster depression area of northwest Guangxi, China. Environmental Interpretation of Variations on Forest Community and Understory Herbaceous in Taibai Mountain,Shaanxi,China