Variation in species composition and diversity of wetland communities under different disturbance intensity in the Sanjiang Plain β-diversity of Stipa communities in Inner Mongolia Plateau Regional differences in plant diversity in the southern Gurbantonggut desert The response of reed community to the environment gradient of water depth in the Yellow River Delta STUDY ON THE SPECIES DIVERSITY OF THE SCLERATINAN CORAL COMMUNITY ON LUHUITOU FRINGING REEF Species diversity of herbaceous communities in the Yiluo River Basin Species diversity of pteridophytes of tropical montane evergreen broad-leaved forest in Xishuangbanna