氮添加对4种森林类型林下植物多样性的影响
胡钧宇,朱剑霄,周璋,李鹏,崔?,唐志尧,方精云
Effects of Experimental Nitrogen Additions on Understory Species Diversity in Four Forests in China
HU Junyu,ZHU Jianxiao,ZHOU Zhang,LI Peng,CUI Jun,TANG Zhiyao,FANG Jingyun
北京大学学报（自然科学版）
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2014, (5): 904
-910
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