利用竞争指数评价水曲柳落叶松种内种间空间竞争关系
王政权, 吴巩胜, 王军邦
Application of competition index in assessing intraspecific and interspecific spatial relations between manchurian ash and dahurian larch
WANG Zhengquan, WU Gongsheng, WANG Junbang
应用生态学报
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2000, (5): 641
-645
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