The structure and dynamics of natural population of the endangered plant Euryodendron excelsum H. T. Chang Population Structure and Dynamic Characteristics of Pinus densata in Southeast Tibet ANALYSIS ON THE DYNAMIC OF ABOVEGROUND BIOMASS INCREMENT AND TIME SEQUENCE OF DIFFERENT DEYEUXIA ANGUSTIFOLIA POPULATIONS Structure and Dynamics of China Rare Plant Ammodendron bifolium (Pall.) Yakovl Natural Population ANALYSIS ON THE DYNAMIC OF ABOVEGROUND BIOMASS AND TIME SEQUENCE OF DIFFERENT DEYEUXIA ANGUSTIFOLIA COMMUNITIES IN SANJIANG PLAIN Population dynamics of endangered plant species Abies chensiensis Effects of Different Management Practices on Population Structure and Dynamics of Quercus liaotungensis Structure and Dynamics of Natural Pinus tabulaeformis f.shekannesis Populations in Ziwuling Forest Region of the Loess Plateau AGE STRUCTURE DYNAMICS OF EUPATORIUM ADENOPHORUM POPULATIONS AND ITS IMPLICATIONS FOR CONTROL Structure and dynamic characteristics of Gymnocarpos przewalskii in different habitats Structure and dynamic characteristics of Calligonum mongolicum population in the desert-oasis ecotone