Variations of Leymus chinesis community, functional groups, plant species and their relationships with climate factors Effects of Long-Term Variability of Plant Species and Functional Groups on Stability of a Leymus chinensis Community in the Xilin River Basin, Inner Mongolia Comparative Studies on the Temporal and Spatial Distribution of Calcium in Leymus chinensis Community and Chloris virgata Community In The Song-Nen Plain China Studies on Evapotranspiration from Different Plant Communities in Steppe Region of Inner Mongolia Primary Study on Characteristics of Leymus chinensis in Two Soil Types Comparative Study on the Sampling Methods of the Leymus chinensis Grassland of Inner Mongolia Autonomous Region EFFECTS OF NITROGEN ADDITION ON NET NITROGEN MINERALIZATION IN LEYMUS CHINENSIS GRASSLAND, INNER MONGOLIA, CHINA Water Use of Leymus chinensis Community EFFECTS OF SOIL SALINIZATION AND NONCAPILLARY POROSITY ON THE BIOMASS FORMING AND ECOLOGICAL DOMINANCE OF LEYMUS CHINENSIS COMMUNITY