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小兴安岭天然林红松活立木腐朽率的调查研究

王玉婷 徐华东 王立海 李凤日 孙虎

王玉婷, 徐华东, 王立海, 李凤日, 孙虎. 小兴安岭天然林红松活立木腐朽率的调查研究[J]. 北京林业大学学报, 2015, 37(8): 97-104. doi: 10.13332/j.1000-1522.20150015
引用本文: 王玉婷, 徐华东, 王立海, 李凤日, 孙虎. 小兴安岭天然林红松活立木腐朽率的调查研究[J]. 北京林业大学学报, 2015, 37(8): 97-104. doi: 10.13332/j.1000-1522.20150015
WANG Yu-ting, XU Hua-dong, WANG Li-hai, LI Feng-ri, SUN Hu. Field investigation of decay rate of Korean pine standing trees in natural forests in Lesser Xing'an Mountains[J]. Journal of Beijing Forestry University, 2015, 37(8): 97-104. doi: 10.13332/j.1000-1522.20150015
Citation: WANG Yu-ting, XU Hua-dong, WANG Li-hai, LI Feng-ri, SUN Hu. Field investigation of decay rate of Korean pine standing trees in natural forests in Lesser Xing'an Mountains[J]. Journal of Beijing Forestry University, 2015, 37(8): 97-104. doi: 10.13332/j.1000-1522.20150015

小兴安岭天然林红松活立木腐朽率的调查研究

doi: 10.13332/j.1000-1522.20150015
基金项目: 

黑龙江省自然科学基金面上项目(C201410)、国家自然科学基金项目(31300474)、中国博士后科学基金资助项目(2014M551203)

详细信息
    作者简介:

    王玉婷。主要研究方向:森林工程。Email:m18545138720@163.com 地址:150040 黑龙江省哈尔滨市和兴路26号东北林业大学工程技术学院。

    责任作者:

    徐华东,博士,讲师。主要研究方向:活立木健康评估、木材物理学。Email:huadongxu@yahoo.com 地址:同上。

Field investigation of decay rate of Korean pine standing trees in natural forests in Lesser Xing'an Mountains

  • 摘要: 为研究天然林红松活立木腐朽规律,在小兴安岭凉水国家级自然保护区所建立的30hm2固定样地内,选取26个20m×20m的具有不同立地条件的样方。目测观察并记录了样方内129棵红松活立木的腐朽缺陷外部表征指标,包括腐朽节、树瘤、溃伤、朽枝、空洞、子实体等6种,统计了各指标出现的频次、位置和尺寸等信息,并据此估计了调查样方内红松活立木的腐朽率。在此基础上,分析了腐朽率与坡度、坡向、坡位、海拔的关系,重点讨论了腐朽率与胸径(树龄)之间的内在联系。结果表明:综合考虑活立木腐朽外部表征指标能够有效判定林地活立木腐朽状况,这为野外快速估计活立木腐朽程度提供了基础;立地环境因子对红松活立木腐朽率有影响,坡度与腐朽率呈显著负相关,坡向与腐朽率呈极显著正相关,但坡位和海拔与腐朽率的相关性均不显著;红松活立木腐朽率与胸径呈极显著线性正相关;当红松胸径超过60cm(估测树龄230年)时,其腐朽率高达70%以上。

     

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出版历程
  • 收稿日期:  2015-01-16
  • 修回日期:  2015-01-16
  • 刊出日期:  2015-08-31

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