Species composition and vertical distribution pattern of α diversity of the Picea crassifolia community in Qilian mountains of Gansu, China
MENG Haojun, LIU Jianquan, LIU Xiande, ZHAO Weijun
Ecology and Environment . 2011, (3): 435 -440 .  DOI: 10.16258/j.cnki.1674-5906(2011)03-0435-06

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