Effect of restorative measures on quantitative characters of reproduction for Leymus chinensis population in the degenerated grassland BIOMASS AND ENERGY ALLOCATION IN LEYMUS CHINENSIS POPULATION Energy allocation to growth and reproduction in Leymus chinensis population Effect of grazing on reproduction in Leymus chinensis population Biomass formation dynamics of Leymus chinensis population affected by grazing Variations of Water-Soluble Carbohydrate Contents in Different Age Class Modules of Leymus chinensis Populations in Sandy and Saline-Alkaline Soil on the Songnen Plains of China DYNAMICS OF A CLONAL LEYMUS CHINENSIS POPULATION IN THE SONGNEN STEPPE IN NORTHEASTERN CHINA Foraging Growth Patterns and Resource Allocations of Clonal Leymus chinensis Population in the Sungnen Steppe THE STUDY OF THE REALATIONSHIP BETWEEN LEYMUS CHINENSIS POPULATION GROWTH AND ENVIRONMENT ON THE GRASSLAND IN THE NORTHEAST CHINA Genetic Variation and Clonal Diversity of the Two Divergent Types of Clonal Populations of Leymus chinensis Tzvel on the Song Liao Steppe in the West of Northeastern China Preliminary studty on biomass reproductive allocation in Leymus chinensis population Comparative study on clonal and sexual reproductive traits of Leymus chinensis populations in different habitats Patterns of Clonal Growth in Leymus chinensis Population