冀北山地白桦典型大小比数与直径生长关系研究
黄龙生, 霍艳玲, 金辉, 李永宁
Relationship between Neighborhood Comparison and Diameter Growth of Secondary Poplar-birch Forest in the Mountains of North Hebei
HUANG Longsheng, HUO Yanling, JIN Hui, LI Yongning
林草资源研究
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2014, (3): 71
-76
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DOI: 10.13466/j.cnki.lyzygl.2014.03.016
