[1]吕锡芝,范敏锐,余新晓,等.北京百花山核桃楸华北落叶松混交林空间结构特征[J].水土保持研究,2010,17(03):212-216.
　LV Xi-zhi,FAN Min-rui,YU Xin-xiao,et al.Spatial Structure of Juglans Mandshurica and Larix Principis-rupprechtⅡ Mixed Forest in Beijing BaihuaMountain.[J].Research of Soil and Water Conservation,2010,17(03):212-216.
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北京百花山核桃楸华北落叶松混交林空间结构特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年03期 页码: 212-216 栏目: 出版日期: 2010-06-20
Title:
Spatial Structure of Juglans Mandshurica and Larix Principis-rupprechtⅡ Mixed Forest in Beijing BaihuaMountain.
作者:
吕锡芝1, 范敏锐1, 余新晓1, 岳永杰2, 王雄宾1, 焦雪辉3, 周彬1, 张灿1
1. 水土保持与荒漠化防治教育部重点实验室, 北京林业大学 水土保持学院, 北京 100083;
2. 内蒙古农业大学 林学院, 呼和浩特 010019;
3. 北京林业大学 园林学院, 北京 100083
Author(s):
LV Xi-zhi1, FAN Min-rui1, YU Xin-xiao1, YUE Yong-jie2, WANG Xiong-bin1, JIAO Xue-hui3, ZHOU Bin1, ZHANG Can1
1. Key Laboratory of Soil and Water Conservation & Desertification Combating of Ministry of Education, School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China;
2. College of Forestry, Inner Mongolia Agricultural University, Hohhot 010019, China;
3. School of Gardening and Horticulture, Beijing Forestry University, Beijing 100083, China
关键词:
混交度; 大小指数; 角尺度; 百花山自然保护区
Keywords:
mingling degree; uniform angle index; Baihua Mountain Nature Reserve
分类号:
S718.45
摘要:
以百花山自然保护区核桃楸华北落叶松混交林样地的调查数据为基础，利用角尺度、大小比数和混交度3个林分空间结构参数，分析了核桃楸华北落叶松混交林的空间结构特征。结果表明：核桃楸种群密度和断面积占有明显优势，是乔木层的优势种和建群种；核桃楸华北落叶松混交林平均混交度为0.382，林分混交程度低，优势种以零度混交和弱度混交为主，伴生种的混交状况普遍较好；核桃楸和华北落叶松种群在空间结构单元中以优势木、亚优势木和中庸木为主，其他种群的树种优势度不明显；该林分的空间分布格局为聚集分布。
Abstract:
Based on the survey data of Juglans mandshurica and Larix principis-rupprechtⅡ mixed forest plot in Baihua Mountain Nature Reserve, and by using the uniform angle index, neighborhood comparison and mingling degree, this paper analyzed the spatial structural characteristics of J.mandshurica and Larix principis-rupprechtⅡ mixed forest in the reserve. The results showed that J.mandshurica had the obvious advantage in population density and basal area, being the dominant and constructive species of the tree layer. The average mingling degree of the forest was 0.382, suggesting the low mingling degree of stands. The dominant species was mainly none-or less-mixed, while the accompanying species were generally well-mixed. In the spatial structural units, J.mandshurica and Larix principis-rupprechtⅡ populations were mainly of dominant, sub-dominant, and intermediate trees respectively, while the advantages of other populations were not obvious. The spatial pattern of the stands was of aggregative distribution.

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备注/Memo

收稿日期:2009-11-20。
基金项目:林业公益性行业科研专项经费项目（200804022）
作者简介:吕锡芝（1986- ），男，山东省惠民县人，硕士，主要研究方向：林业生态工程、水土保持。E-mail：nihulvxizhi@163.com
通讯作者:余新晓（1961- ），男，甘肃省平凉市人，博士，教授，主要研究方向：森林水文、水土保持。E-mail：yuxinxiao111@126.com

更新日期/Last Update: 1900-01-01