Soil nitrogen dynamics and productivity of snowpack Sanguisorba sitchensis community in alpine tundra of Changbai Mountain, China
XU Qian-Qian, LIU Qi-Jing, ZHANG Guo-Chun
Chin J Plant Ecol . 2011, (2): 159 -166 .  DOI: 10.3724/SP.J.1258.2011.00159

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