Foliage Physiological Response to Increase of Atmospheric CO2 Concentration Reflected by δ13C Series of Tree Ring in Tianmu Mountains
ZHAO Xing-Yun, WANG Jian, SHANG Zhi-Yuan, WANG Zu-Liang, QIAN Jun-Long
SCIENTIA GEOGRAPHICA SINICA . 2008, (5): 698 -702 .  DOI: 10.13249/j.cnki.sgs.2008.05.698