Effects of solar UV-B radiation on the efficiency of PSII photochemistry in the alpine plant Saussurea superba under different weather conditions in the Qinghai-Tibet Plateau of China
SHI Sheng-Bo, SHANG Yan-Xia, ZHU Peng-Jin, YANG Li, ZHANG Bo
Chin J Plant Ecol . 2011, (7): 741 -750 .  DOI: 10.3724/SP.J.1258.2011.00741