Divergent patterns of foliar δ13C and δ15N in Quercus aquifolioides with an altitudinal transect on the Tibetan Plateau: an integrated study based on multiple key leaf functional traits
Litong Chen, Dan F. B. Flynn, Xiaowei Zhang, Xianliang Gao, Ling Lin, Jian Luo, Changming Zhao
J Plant Ecol . 2015, (3): 303 -312 .  DOI: 10.1093/jpe/rtu020