[1]闫东锋,王亚南,杨喜田,等. 宝天曼栎类天然次生林主要树木种群结构及空间分布格局[J].西北林学院学报,2012,27(03):155-159.
　YAN Dong-feng,WANG Ya-nan,YANG Xi-tian,et al. Structure and Spatial Distribution Patterns of the Main Woody Plant Populations of Oak Natural Secondary Forests in Baotianman Nature Reserve, Henan Province[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(03):155-159.
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 宝天曼栎类天然次生林主要树木种群结构及空间分布格局()
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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03期
页码:
155-159
栏目:
出版日期:
2012-05-31

文章信息/Info

Title:
 Structure and Spatial Distribution Patterns of the Main Woody Plant Populations of Oak Natural Secondary Forests in Baotianman Nature Reserve, Henan Province
文章编号:
1001-7461(2012)03-0155-05
作者:
 闫东锋; 王亚南; 杨喜田; 何晓旭; 李纪亮
 （1.河南农业大学 林学院,河南 郑州 450002;2.郑州市惠济区林业局,河南 郑州 450045）
Author(s):
 YAN Dong-feng;  WANG Ya-nan;  YANG Xi-tian;  HE Xiao-xu;  LI Ji-liang
 (1.College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China; 2.Huiji District Forestry Bureau, Zhengzhou, Henan 450045, China)
关键词:
 ; 栎类天然次生林; 林分结构; 林木空间分布格局; 宝天曼
Keywords:
 ; natural oak secondary forest;  forest structure;  spatial distribution of trees;  Baotianman
分类号:
S718.54
文献标志码:
A
摘要:
 以宝天曼国家级自然保护区正在恢复过程中的栎类天然次生林作为研究对象，通过每木定位，并利用MAPGIS7.0对坐标信息分割，研究了主要树木种群的结构特征及空间分布格局。结果表明：锐齿栎的重要值为0.589 6，为当地的绝对优势种群；6种聚集度指标计算结果表明，栎类种群主要呈均匀分布；不同胸径大小级的栎类种群空间分布格局呈现一定规律，即随着栎类种群平均胸径的增加，空间分布格局从聚集分布向随机分布状态发展，而最近邻体平均距离从0.75 m增加到1.42 m；0~1 m和1~2 m距离范围内的林木株数比例分别从45%和46%递减到42%和33%。随着恢复过程的向前发展，该地栎类种群聚集程度逐渐减小，林分趋于动态平衡。

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