Effects of the thinning intensity on the diversity of undergrowth vegetation in Pinus tabulaeformis plantations
XU Yang1, LIU Yong1*, LI Guo-lei1, GUO Bei1, LI Rui-sheng2
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2008, (03): 135 -138 .  DOI: 10.3969/j.jssn.1000-2006.2008.03.032