[1]周蔚,杨华,亢新刚,等. 择伐强度对长白山区天然云冷杉针阔混交林空间结构的影响[J].西北林学院学报,2012,27(04):7-12.
 ZHOU Wei,YANG Hua,KANG Xin-gang,et al. Influence of the Selective Intensity on Spatial Structure of Natural Spruce-fir Mixed Stands of Coniferous and Broad-leaved Trees in Changbai Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(04):7-12.
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 择伐强度对长白山区天然云冷杉针阔混交林空间结构的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年04期
页码:
7-12
栏目:
出版日期:
2012-07-30

文章信息/Info

Title:
 Influence of the Selective Intensity on Spatial Structure of Natural Spruce-fir Mixed Stands of Coniferous and Broad-leaved Trees in Changbai Mountains
文章编号:
1001-7461(2012)04-0007-06
作者:
 周蔚杨华亢新刚 沈林
 (北京林业大学 省部级共建森林培育与保护教育部重点实验室,北京林业大学 林学院,北京 100083)
Author(s):
 ZHOU WeiYANG HuaKANG Xin-gangSHEN Lin
 (Key Laboratory for Silviculture and Conservation of Ministry of Education,College of Forestry,Beijing Forestry University,Beijing 100083,China)
关键词:
 天然云冷杉针阔混交林择伐强度空间结构
Keywords:
 natural mixed spruce-fir forests elective cutting intensity spatial structure
分类号:
S752.2
文献标志码:
A
摘要:
 利用混交度、大小比数、角尺度3个林分空间结构参数,分析研究了不同择伐强度(未择伐、20%、30%、40%)对长白山区天然云冷杉针阔混交林林分空间结构的影响。结果表明:20%择伐强度的样地平均混交度最大,30%择伐次之,40%择伐样地平均混交度最小;不同择伐强度对林木大小分化程度影响不是太大:20%择伐样地林木成均匀分布,未采伐样地和30%采伐样地林木成随机分布,40%择伐样地林木成团状分布。总的来说,20%择伐更有利于云冷杉针阔混交林林分空间结构的优化。

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