ECOLOGICAL DOMINANCE OF PLANT COMMUNITY AND ALTITUDINAL GRADIENT ON SOUTHERN OF QINGHAI LAKE BASIN The Quantitative Characters of Organization of Forest Communities in Guangdong Analysis of the Species Diversity of Bush Communities of Jiulongshan in Beijing Primary Study on Interrelation Between Plant Communities and Environmental Factors in the North Shore of Qinghai Lake The Ecological and Physiological Adaptation of Kochia sieversiana and the Characteristics of the Communities Edge Effect of Gaps in Cunninghamia lanceolata Plantation in Ancaoxia, Fujian Province