Study on Dynamics of Juglans mandshurica Population from Changbai Mountain The effect of salinity and temperature on survivorship and food intake of tiger crab, Orithyia sinica The demography and age structure of the endangered plant population of Cathaya argyrophylla DENSITY, STRUCTURE AND BIOMASS OF PARASHOREA CHINENSIS POPULATIONS IN DIFFER ENT PATCHES IN XISHUANGBANNA, SW CHINA STUDIES ON NAUPLIAR GROWTH AND SURVIVORSHIP OF THREE SPECIES OF ARTEMIA DURING STARVATION Study on Population Life Table and Survivorship Curves of Adenophora lobophylla, an Endangered Species, Compared with A. potaninii, a Widespread Species Judging method of individual age and age structure of Stellera chamaejasme population in degraded steppe Effects of Different Management Practices on Population Structure and Dynamics of Quercus liaotungensis Thermal effects of temperature on two commercially important shrimp species in Daya Bay Population Structure and Distribution Pattern of Pinus massoniana on Laoshan Island of Qiandao Lake Region The Life Table and Dynamics of Populations of Monimopetalum chinense, an Endangered Plant Population structure and demography of Populus euphraticu in upper and middle reaches of Tarim River Effects of Thinning Intensity on Structure Characteristics and Spatial Distribution of Quercus wutaishanica Populations