Effects of plant intraspecific variation on the prediction of C 3/C 4 vegetation ratio from carbon isotope composition of topsoil organic matter across grasslands
Wentao Luo, Xiaoguang Wang, Karl Auerswald, Zhengwen Wang, Michael I. Bird, Christopher J. Still, Xiao-Tao Lü and Xingguo Han
Journal of Plant Ecology . 2021, (4): 628 -637 .  DOI: 10.1093/jpe/rtab022