TY - Chin J Plant Ecol A1 - HE Qian, LI Ji-Yue, SHEN Ying-Bai, CHEN Xiao-Yang, SHANG Fu-Hua, HU Lei, ZHANG Zhi-Yi T1 - Difference in δ13C and gas exchange parameters among Populus tomentosa clones Y1 - 2010-11-07 JF - Chinese Journal of Plant Ecology JO - Chin J Plant Ecol SP - 144 EP - 150 VL - 34 IS - 2 UR - https://www.plant-ecology.com N1 - 10.3773/j.issn.1005-264x.2010.02.005 ER -