Life form spectra, leaf character, and hierarchical-synusia structure of vascular plants in Thuja sutchuenensis community. Specific diversity and distribution characteristics of annual synusia in Alashan desert The compensatory growth of plant community, synusia and species under different clipping intensity Grazing Dynamics of the Species Diversity in Aneurolepidium Chinese Steppe and Stipa Grandis Steppe GROUND BRYOPHYTE COMPOSITION AND SYNUSIA STRUCTURE UNDER SIX TYPES OF YOUNG CONIFEROUS FOREST PLANTATIONS IN THE UPPER MINJIANG RIVER