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杉木不同龄组树冠形态模拟模型研究

郭艳荣 吴保国 郑小贤 郑德祥 刘洋 董晨 张慕博

郭艳荣, 吴保国, 郑小贤, 郑德祥, 刘洋, 董晨, 张慕博. 杉木不同龄组树冠形态模拟模型研究[J]. 北京林业大学学报, 2015, 37(2): 40-47. doi: 10.13332/j.cnki.jbfu.2015.02.007
引用本文: 郭艳荣, 吴保国, 郑小贤, 郑德祥, 刘洋, 董晨, 张慕博. 杉木不同龄组树冠形态模拟模型研究[J]. 北京林业大学学报, 2015, 37(2): 40-47. doi: 10.13332/j.cnki.jbfu.2015.02.007
GUO Yan-rong, WU Bao-guo, ZHENG Xiao-xian, ZHENG De-xiang, LIU Yang, DONG Chen, ZHANG Mu-bo. Simulation model of crown profile for Chinese fir (Cunninghamia lanceolata) in different age groups[J]. Journal of Beijing Forestry University, 2015, 37(2): 40-47. doi: 10.13332/j.cnki.jbfu.2015.02.007
Citation: GUO Yan-rong, WU Bao-guo, ZHENG Xiao-xian, ZHENG De-xiang, LIU Yang, DONG Chen, ZHANG Mu-bo. Simulation model of crown profile for Chinese fir (Cunninghamia lanceolata) in different age groups[J]. Journal of Beijing Forestry University, 2015, 37(2): 40-47. doi: 10.13332/j.cnki.jbfu.2015.02.007

杉木不同龄组树冠形态模拟模型研究

doi: 10.13332/j.cnki.jbfu.2015.02.007
基金项目: 

国家自然科学基金项目(31170513)、“863”国家高技术研究发展计划项目(2012AA102003)。

详细信息
    责任作者:

    第一作者: 郭艳荣,博士生。主要研究方向:森林可持续经营。Email:yanronguo@163.com 地址:100083北京市清华东路35号北京林业大学信息学院。 责任作者: 吴保国,教授,博士生导师。主要研究方向:森林可持续经营与林业信息化。Email:wubg@bjfu.edu.cn 地址:同上。

    第一作者: 郭艳荣,博士生。主要研究方向:森林可持续经营。Email:yanronguo@163.com 地址:100083北京市清华东路35号北京林业大学信息学院。 责任作者: 吴保国,教授,博士生导师。主要研究方向:森林可持续经营与林业信息化。Email:wubg@bjfu.edu.cn 地址:同上。

Simulation model of crown profile for Chinese fir (Cunninghamia lanceolata) in different age groups

  • 摘要: 为了对杉木不同龄组树冠形态进行数学模拟,运用非线性回归筛选有效变量的方法将相对树冠半径(RCRj)和相对树冠长度(RCLj)确立为树冠形态模型的因变量和自变量。选取福建省顺昌县297株杉木标准木的1 485个树冠半径测量值,基于8大类模型分别建立不同龄组的树冠最优模型。对最优模型进行误差和残差分析、模型检验、生物学意义评估,结果表明:幼龄林、中龄林和近成熟林时期拟合效果最优的模型分别是Cubic、Poly4和GaussAmp。使用本文建立的树冠轮廓模型预估树冠形态时,只需测量全树高、最大树冠半径和最大树冠长度。树冠轮廓模型是生长和收获模型的重要组成部分,同时对于评价林木间的竞争、森林小气候和生物多样性也至关重要。

     

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  • 收稿日期:  2013-12-04

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