[1]刘淑燕,余新晓,陈丽华.北京山区天然林乔木树种种间联结与生态位研究[J].西北林学院学报,2009,24(05):26.
 LIU Shu-yan,YU Xin-xiao,CHEN Li-hua.Interspecific Association and Niche Research of Natural Forest in Beijing Mountainous Area[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2009,24(05):26.
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北京山区天然林乔木树种种间联结与生态位研究 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第24卷
期数:
2009年05期
页码:
26
栏目:
森林生物学
出版日期:
2009-09-30

文章信息/Info

Title:
Interspecific Association and Niche Research of Natural Forest in Beijing Mountainous Area
作者:
刘淑燕; 余新晓; 陈丽华
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
Author(s):
LIU Shu-yan; YU Xin-xiao; CHEN Li-hua
关键词:
种间联结 生态位 Pearson相关系数 Spearman秩相关系数
分类号:
S718.551.1
文献标志码:
A
摘要:
应用Pearson相关系数和Spearman秩相关系数检验,研究了北京山区天然林群落13个乔木种群的种间关联(或相关)性,并对13种植物种群的生态位宽度和生态位重叠进行研究.结果表明:(1)在种间联结方面,山杨和色木槭、白桦和黒桦、白桦和色木槭、白桦和山杨、白蜡与胡桃楸等这些种群形成显著的正联结.在总的种群中,总体上呈现负联结趋势,呈极显著和显著正联结的种群所占比率较低,说明北京山区以天然次生林为主的森林群落仍然处于不断的发展演替过程之中.(2)在生态位方面,白桦、槲栎、白蜡、黑桦的生态位宽度较大,而色木槭、大果榆、山杏、侧柏的生态位宽度较小.(3)在生态位重叠指数中,白桦和山杨、色木槭和白桦、白蜡和胡桃楸、色木槭和山杨生态位重叠较大,而侧柏、槲栎、臭椿和大果榆与其他的多个主要树种的生态重叠指数较小.

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备注/Memo

备注/Memo:
国际科技合作项目(2006DFA01780).
更新日期/Last Update: 2010-05-04