Relationship between arborous layer productivity and climatic factors in Pinus tabulaeformis natural forests and plantations in Beijing
CHENG Zehu,DING Kunyuan,LIU Yanhong
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2016, (05): 177 -183 .  DOI: 10.3969/j.issn.1000-2006.2016.05.028