Population structure and demography of Populus euphraticu in upper and middle reaches of Tarim River Population structure and dynamics of the endemic plant Acer guizhouense in Guizhou Province Effects of different maize hybrids (inbreds) on the growth, development and population dynamics of Rhopalosiphum maidis Fitch Population Structure and Dynamic Analysis of the Rare and Endangered Plant Camellia longistyla The Life Table and Dynamics of Populations of Monimopetalum chinense, an Endangered Plant SURVIVAL ANALYSIS OF ABIES FAXONIANA POPULATIONS NEAR TIMBERLINE ON THE UPPER MINJIANG RIVER ECOLOGICAL CHARACTERISTICS OF A SABINA SALTUARIAPOPULATION AT TIMBERLINE ON THE SOUTH-FACING SLOPE OF BAIMA SNOW MOUNTAIN, SOUTHWEST CHINA An improvement on life table of experimental population:example from Cyrtorrhinus lividipennis Reuter (Hemiptera: Miridae)