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CANONICAL CORRELATION ANALYSIS BETWEEN SPECIES DIVERSITY IN SHRUB LAYER AND STAND VARIABLES IN OVER-LOGGED FORESTS IN NORTHEASTERN CHINA
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF APPLIED & ENVIRONMENTAL BIOLOGY
- Issue:
- 4
- DOI:
- 10.3321/j.issn:1006-687X.2002.04.003
- Key Word:
- 林分因子;灌木层物种多样性;典型相关分析;东北过伐林
Abstract： 研究林分特征尤其是经营上可以控制的因子对生物多样性的影响,将有助于制定合理的经营措施来维持和保护生物多样性.本文作者以我国东北过伐林区3种典型天然林类型为对象,采用典型相关分析方法,研究影响灌木层物种多样性的主要因子.结果表明:影响灌木层物种多样性的主要因子包括土壤含水率、树种多样性和林分密度;灌木层多样性组的变异被林分组第一典型变量解释的比例为68.32%,仍有31.68%的变异不能得到解释.表8 参12
- [1]Brosofske KD,Crow TR,Chen J.Understory vegetation and site factors: implications for a managed Wisconsin landscape[J].2001,146(1).
- [2]Sullivan TP,Lindgren PMF.Influence of alternative vegetation management treatments on conifer plantation attributes: abundance, species diversity, and structural diversity[J].2001,142(1).
- [3]钱迎倩, 马克平主编.生物多样性研究的原理与方法[M].1994.
- [4]胡良平主编.现代统计学与SAS应用[M].2000.
- [5]蒋有绪.国际森林可持续经营的标准与指标体系研制的进展[J].1997,(2).