Spatial heterogeneity of soil nutrients and its impact on tree species distribution in a karst forest of Southwest China
ZHANG Zhong-Hua, HU Gang, ZHU Jie-Dong, NI Jian
Chin J Plant Ecol . 2011, (10): 1038 -1049 .  DOI: 10.3724/SP.J.1258.2011.01038