The Grey Relatedness Analysis between the Modular Structure of Clonal Population of Calligonum mongolicum and the Environmental Factors in the Minqin Desert Vegetative propagation characters of clonal populations of Hierochloe glabra in Songnen Plain Density dependence of Phalaris aruandinacea clonal population on middle mountain region of subtropical zone of China FRACTAL PROPERTIES OF DISTRIBUTION PATTERNS OF TAXUS CHINENSISVAR. MAIREI CLONAL POPULATIONS IN THE YUANBAOSHAN MOUNTAIN, CHINA Structure and dynamics of Taxus chinensis var. mairei clonal population Age structures of modules on Leymus chinensis clonal populations in the process of restoration succession after the flooded meadow in the Songnen Plains, China The Effects of Grazing on Age Structure in Clonal Populations of Agropyron michnoi STUDIES ON THE ENERGY OF NEOSINOCALAMUSAFFINIS CLONAL POPULATION Comparative studies on the growth of Acanthopanax brachypus clone in two habitats of Quercus liaotungensis forest and open land Analysis of clonal growth patterns and branching architecture of Nitraria tangutorum clonal ramet in the Southern margin area of the Tengger Desert Comparitive Study on Characters of Two Divergence Types of the Clone Population Leymus chinensis in the Songnen Plain of China