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马尾松人工林密度控制图及密度预警研究

王建军 陆元昌 赵秀海 孟京辉 向玮

王建军, 陆元昌, 赵秀海, 孟京辉, 向玮. 马尾松人工林密度控制图及密度预警研究[J]. 北京林业大学学报, 2019, 41(5): 31-37. doi: 10.13332/j.1000-1522.20190015
引用本文: 王建军, 陆元昌, 赵秀海, 孟京辉, 向玮. 马尾松人工林密度控制图及密度预警研究[J]. 北京林业大学学报, 2019, 41(5): 31-37. doi: 10.13332/j.1000-1522.20190015
Wang Jianjun, Lu Yuanchang, Zhao Xiuhai, Meng Jinghui, Xiang Wei. Development and application of density management diagram for Pinus massoniana plantation[J]. Journal of Beijing Forestry University, 2019, 41(5): 31-37. doi: 10.13332/j.1000-1522.20190015
Citation: Wang Jianjun, Lu Yuanchang, Zhao Xiuhai, Meng Jinghui, Xiang Wei. Development and application of density management diagram for Pinus massoniana plantation[J]. Journal of Beijing Forestry University, 2019, 41(5): 31-37. doi: 10.13332/j.1000-1522.20190015

马尾松人工林密度控制图及密度预警研究

doi: 10.13332/j.1000-1522.20190015
基金项目: 科技支撑科研专项经费项目(1692017-3)
详细信息
    作者简介:

    王建军。主要研究方向:森林生长收获与模型模拟。Email:15624961004@163.com 地址:100083北京市海淀区清华东路35号北京林业大学林学院

    责任作者:

    向玮,副教授。主要研究方向:森林经营。Email:wxiang@bjfu.edu.cn 地址:同上

Development and application of density management diagram for Pinus massoniana plantation

  • 摘要: 目的密度控制图是一个集设计、展示、评价不同经营措施的有效工具,为同龄林经营提供决策依据。本研究首先是构建热林中心马尾松人工林密度控制图,并在此基础上对马尾松林分密度进行评估,进而构建密度预警图,并根据预警图提出相应的森林经营建议。方法以广西壮族自治区热林中心的马尾松人工林为研究对象,基于2011年建立的238块固定样地调查数据以及2013年和2015年的复测数据,采用Reineke自然稀疏方程,构建马尾松密度控制图,基于最优密度的上下限以及二类调查数据,构建马尾松人工林的密度预警图。结果基于最优密度上下限、优势高模型、材积模型以及地位指数模型构建了热林中心马尾松人工林的密度控制图;根据密度控制图和现有林分的密度情况,构建了热林中心密度预警图,基于此提出了相应的经营建议。结论本研究将热林中心马尾松分为高密度林分,低密度林分以及合理密度的林分,并根据林分所处的状态提出不同的经营建议。高密度的林分,采用疏伐的措施,将林分引向最优密度区间;低密度的林分,采取补植珍贵树种的方式,促使林分朝着合理密度方向发展,落入合理区间的林分,不采取任何与密度调控相关的经营措施,使林分按照原来的经营模式发展,为热林中心马尾松人工林的可持续经营提供决策支持。

     

  • 图  1  238块系统抽样样地分布图

    Figure  1.  Distribution of 238 systematic sampling plots

    图  2  马尾松人工林密度控制

    蓝色表示蓄积等值线,红色表示密度线,黄色表示自然稀疏线,黑色表示等高线。Blue lines indicate volume isolines, red lines indicate density lines, yellow lines indicate the self-thinning line; black lines indicate DH isolines.

    Figure  2.  Density management diagrams for Pinus massonian plantation

    图  3  广西热林中心马尾松密度预警图

    Figure  3.  Density warning diagram of Pinus massoniana in Tropical Forest Experimental Center of Guangxi Province

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出版历程
  • 收稿日期:  2019-01-15
  • 修回日期:  2019-04-04
  • 网络出版日期:  2019-05-01
  • 刊出日期:  2019-05-01

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