Water use efficiency of six woody species in relation to micro-environmental factors of different habitats Photosynthetic Pathway of Three Rattan Species in South China Response of leaf δ13C to altitudinal gradients and its mechanism Association Analysis of Polymorphisms in PnEXPA1 Gene with Carbon Isotope Ratios in Black Poplar (Populus nigra L.) The Carbon Isotope Ratios and Centents of Mineral Elements in Leaves of Chinese Medi cinal Plants Indicative effect of the anatomical structure of plant photosynthetic organ on WUE in desert region δ13C Values and Water Use Efficiency of the Leaves and Assimilating Shoots of Desert Plants Response patterns of foliar δ13C and δ15N to environmental factors for the dominant plants in Inner Mongolia steppe, China Photosynthesis and Water Use Efficiency in Wheat Varieties Differing in Phosphate Use Efficiency Foliar stable carbon isotope ratios of Phragmites australis and the relevant environmental factors in marsh wetlands in Tianjin 13C and 15N isotopic signatures of plant-soil continuum along a successional gradient in Ding-hushan Biosphere Reserve Identifying sources of particle organic carbon in surface water based on stable isotope tracing in the Jinshui River EFFECT OF GROWTH IRRADIANCE ON STABLE CARBON ISOTOPE RATIO, INTERCELLULAR COsub>2 CONCENTRATION AND WATER-USE EFFICIENCY OF TWO WOODY PLANT IN SUBTROPICAL NATURAL FOREST Influences of Drought Stress on Photosynthetic Characteristics and Water Use Efficiency of 4 Tree Species under Elevated CO2 Concentration Foliar δ13C Within Temperate Deciduous Forest: Its Spatial Change and Interspecies Variation