Relationship of ecosystem primary productivity to species diversity and functional group diversity: evidence from Stipa breviflora grassland in Nei Mongol
MA Wen-Jing,ZHANG Qing,NIU Jian-Ming,KANG Sarula,LIU Peng-Tao,HE Xin,YANG Yan,ZHANG Yan-Nan,WU Jian-Guo
Chin J Plant Ecol . 2013, (7): 620 -630 .  DOI: 10.3724/SP.J.1258.2013.00064