[1]金莹杉,翟明普*,马润国,等.北京西山风景林林下更新种空间分布特征研究[J].西北林学院学报,2007,22(03):11-15.
　JIN Yingshan,ZHAI Mingpu,MA Runguo,et al.Spatial Distribution of the Regeneration Species under Forest Canopy in Beijing Xishan Scenic Forest[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2007,22(03):11-15.
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北京西山风景林林下更新种空间分布特征研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第22卷
期数:
2007年03期
页码:
11-15
栏目:
森林生物学
出版日期:
2007-06-30

文章信息/Info

Title:
Spatial Distribution of the Regeneration Species under Forest Canopy in Beijing Xishan Scenic Forest
作者:
金莹杉1; 翟明普1*; 马润国2; 王超1; 李涛2
1.北京林业大学 省部共建森林培育与保护教育部重点实验室，北京 100083；2.北京市西山试验林场，北京 100093
Author(s):
JIN Yingshan1;  ZHAI Mingpu1;  MA Runguo2; WANG Chao1;  LI Tao2
1.The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China；2.Beijing Xishan Experimental Tree Farm, Beijing 100093, China
关键词:
更新种; 重要值; 演替
Keywords:
regeneration species;  important value; succession
分类号:
S718.542
文献标志码:
A
摘要:
以北京市西山试验林场为研究区，基于典型样地调查方法，对林下更新种状况进行了分析。其次以种的存在、不存在为应变量，立地因子、林分结构因子、林分密度、人为管理方式为自变量进行Logistic回归分析。分析与更新种出现特性显著相关的影响因子，确定对象种的在、不在和立地、林分结构、人为管理方式之间的关系。结果表明大部分林分处于演替初始阶段，以天然落种为主，不同更新种在不同林分内的更新状况有差异。立地、林分结构、人为管理方式等因子对更新种空间分布的影响因更新种种类的不同有明显区别，元宝枫、臭椿、黑枣更新种空间出现频率随林分郁闭度增加和割灌措施的实施而增加，与立地因子无关；侧柏和刺槐更新种出现频率与土层厚度密切相关；桑更新种出现频率与主林层优势树种密度呈正相关。
Abstract:
Characteristics of regeneration species of the forest in Beijing Xishan Experimental Tree Farm were analyzed based on the method of invetigating typical sample plots.The results showed that most stands were in their initial phases of succession and regenerated by natural seeds falling.Regeneration species were different in different stands.With the method of Logistic regression,in which the dependences were species existence or not,while independences included site, construction,density and artificial management measures of forests,correlated factors with characteristics of regeneration species were researched.The results of regression analysis showed that the influence extents of site,construction and artificial management to spatial distribution of regeneration species were different in different kinds of regeneration species.Appearance frequencies of regeneration species such as Acer truncatum,Ailanthus altissima and Diospyros lotus were positively correlated with crown density and artificial measures such as cutting and irrigation and were not correlated with site factors.Appearance frequencies of platycladus orientalis and Robinia pseudoacacia were closely correlated with the thickness of soil layer.While frequency of Morus alba was positively correlated with density of dominant species.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20061024修回日期：20061120基金项目：北京市自然科学基金资助项目“北京山区风景林抚育理论与技术研究”（6052012）;国家林业局2003年度重点科研项目“北京市山区生态公益林抚育技术试验示范”（2003018L18）作者简介：金莹杉(1977)，女，吉林省蛟河人，博士，主要从事城市林业研究。*通讯作者：翟明普，男，教授，博士生导师,主要研究方向是森林营造、混交林与树种间关系、城市林业。
更新日期/Last Update: 2010-05-04