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不同径级红松挥发性碳贡献变化特征及其影响因子分析

朱一泓 高露双 贾勃 张平瑞 王寅鹏 欧礼金

朱一泓, 高露双, 贾勃, 张平瑞, 王寅鹏, 欧礼金. 不同径级红松挥发性碳贡献变化特征及其影响因子分析[J]. 北京林业大学学报, 2019, 41(1): 10-19. doi: 10.13332/j.1000-1522.20180289
引用本文: 朱一泓, 高露双, 贾勃, 张平瑞, 王寅鹏, 欧礼金. 不同径级红松挥发性碳贡献变化特征及其影响因子分析[J]. 北京林业大学学报, 2019, 41(1): 10-19. doi: 10.13332/j.1000-1522.20180289
Zhu Yihong, Gao Lushuang, Jia Bo, Zhang Pingrui, Wang Yinpeng, Ou Lijin. Dynamic characteristics and its influencing factors of the volatile carbon content of Pinus koraiensis at different diameter classes[J]. Journal of Beijing Forestry University, 2019, 41(1): 10-19. doi: 10.13332/j.1000-1522.20180289
Citation: Zhu Yihong, Gao Lushuang, Jia Bo, Zhang Pingrui, Wang Yinpeng, Ou Lijin. Dynamic characteristics and its influencing factors of the volatile carbon content of Pinus koraiensis at different diameter classes[J]. Journal of Beijing Forestry University, 2019, 41(1): 10-19. doi: 10.13332/j.1000-1522.20180289

不同径级红松挥发性碳贡献变化特征及其影响因子分析

doi: 10.13332/j.1000-1522.20180289
基金项目: 

国家自然科学基金项目 31600509

北京市级大学生创新创业训练项目 S201710022002

详细信息
    作者简介:

    朱一泓。主要研究方向:森林经理学。Email:a20090439@163.com地址:100083  北京市海淀区清华东路35号北京林业大学117信箱

    责任作者:

    高露双,博士,副教授。主要研究方向:树木生长过程模拟。Email: gaolushuang@bjfu.edu.cn  地址:同上

  • 中图分类号: S718.55+6;S791.247

Dynamic characteristics and its influencing factors of the volatile carbon content of Pinus koraiensis at different diameter classes

  • 摘要: 目的植物含碳率是研究森林碳储量的关键因素之一,精确测定含碳率及其影响因子有利于提高森林碳储量的预测准确率。方法以吉林蛟河阔叶红松成熟林固定样地内红松为研究对象,获取冷冻干燥、自然干燥和烘干干燥3种处理方式下的红松茎干连年含碳率,对比分析3种处理方式下不同径级红松含碳率年际变化特征。发现自然干燥含碳率波动较大,因此本文的挥发性碳贡献由冷冻干燥含碳率和烘干干燥含碳率来量化。通过比较大小径级红松挥发性碳贡献年际变化特征,分析其在时间尺度上的差异与稳定性,并构建挥发性碳贡献与气候因子和生长量等因子的相关关系,揭示影响挥发性碳贡献的主要因子。结果(1) 不同干燥方式仅对大径级红松的含碳率的测定结果有显著影响(P < 0.05),而3种干燥方式下小径级红松含碳率不存在显著差异。(2)红松挥发性碳贡献有一定阶段性。小径级红松挥发性碳贡献较大径级波动更大,小径级红松挥发性碳贡献最高和最低值分别为24.46%和0.03%,大径级红松挥发性碳贡献最高和最低值则为9.72%和1.18%,同时大径级红松挥发性碳贡献存在明显的滞后现象。(3)红松挥发性碳贡献主要受到冬季温度的影响,其中小径级红松挥发性碳贡献仅与当年12月的温度呈现显著负相关(P < 0.05),而大径级红松则与上一年12月的温度呈显著负相关(P < 0.05)。(4)当年1月降水对大径级红松挥发性碳贡献有促进作用(P < 0.05),而当年6月的干旱指数对小径级红松挥发性碳贡献有促进作用(P < 0.05)。推测挥发性碳可能与树木非生长季的生理活动有关。结论在评价森林碳储量时要考虑挥发性碳贡献,同时不能忽视径级差异的影响及挥发性碳的时间稳定性,从而实现对不同特征林分碳储量的精确估算。

     

  • 图  1  生长变化值计算方法

    2011年的生长变化值为(M2-M1)/M1,其中M1M2分别为前5年和后5年年轮宽度的平均值。

    Figure  1.  Calculation methods of growth change

    Growth change in 2011 is(M2-M1)/M1, where M1, M2 refer to the mean ring width of the last five years and the after five years.

    图  2  不同干燥方式下大小径级红松含碳率年际变化

    S代表小径级,L代表大径级。下同。

    Figure  2.  Interannual dynamics of carbon content of Pinus koraiensis at different diameter classes under different drying methods

    S means small diameter class, L means large diameter class. The same below.

    图  3  不同干燥方式下大小径级红松含碳率滑动标准差变化

    Figure  3.  Moving standard deviation of annual carbon content of Pinus koraiensis at different diameter classes under different drying methods

    图  4  大小径级红松挥发性碳贡献年际变化

    Figure  4.  Interannual dynamics of volatile carbon contribution of Pinus koraiensis at different diameter classes

    图  5  大小径级红松挥发性碳贡献滑动标准差变化

    Figure  5.  Moving standard deviation of annual contribution of volatile carbon content of Pinus koraiensis at different diameter classes

    图  6  大小径级红松生长变化百分率

    Figure  6.  Percent change of growth of Pinus koraiensis at different diameter classes

    表  1  大小径级红松挥发性碳贡献与温度的相关关系

    Table  1.   Correlations between volatile carbon contribution and temperature for P. koraiensis of large and small diameter classes

    月份 Month大径级 Large diameter class小径级 Small diameter class
    当年温度 Temperature
    in the very year
    上一年温度 Temperature
    in the previous year
    当年温度 Temperature
    in the very year
    上一年温度 Temperature
    in the previous year
    rPrPr PrP
    1月 January-0.270.150 70.010.958 9-0.320.085 4-0.260.172 0
    2月 February-0.210.256 7-0.020.902 0-0.360.050 10.010.977 2
    3月 March-0.220.246 30.050.797 8-0.170.381 20.130.499 7
    4月 April-0.100.615 30.260.175 8-0.020.930 5-0.040.841 2
    5月 May0.220.253 00.170.373 20.090.643 7-0.080.666 3
    6月 June0.130.489 5-0.060.771 0-0.010.977 60.310.104 7
    7月 July0.180.335 00.200.286 3-0.150.432 20.010.961 7
    8月 August-0.050.773 40.030.870 90.050.808 50.070.701 7
    9月 September0.130.506 90.090.643 00.110.552 5-0.040.828 2
    10月 October-0.050.787 3-0.300.110 50.180.330 60.200.300 3
    11月 November-0.180.339 5-0.340.070 50.290.116 40.330.083 2
    12月 December-0.060.768 6-0.460.012 4*-0.390.032 5*-0.170.367 4
    年平均 Annual mean-0.220.235 7-0.220.257 5-0.270.146 3-0.040.822 6
    注:* P < 0.05相关性显著。下同。
    Notes: * represents signifieant correlation at P < 0.05 level. The same below.
    下载: 导出CSV

    表  2  大小径级红松挥发性碳贡献与降水的相关关系

    Table  2.   Correlations between volatile carbon contribution and precipitation for P. koraiensis of large and small diameter classes

    月份 Month大径级 Large diameter class小径级 Small diameter class
    当年降水 Precipitation
    in the very year
    上一年降水 Precipitation
    in the previous year
    当年降水 Precipitation
    in the very year
    上一年降水 Precipitation
    in the previous year
    rPrPr PrP
    1月 January0.380.039 8*0.320.095 8-0.100.590 8-0.180.357 0
    2月 February-0.050.773 2-0.230.230 8-0.020.921 30.320.088 8
    3月 March0.110.546 7-0.140.475 3-0.080.673 9-0.050.801 2
    4月 April-0.100.585 40.190.317 70.310.099 3-0.140.476 9
    5月 May-0.080.669 8-0.160.396 3-0.010.942 40.200.288 5
    6月 June-0.200.299 60.220.256 20.280.129 4-0.270.155 1
    7月 July-0.060.765 5-0.270.159 00.170.380 70.030.891 8
    8月 August0.320.084 7-0.070.714 6-0.070.713 8-0.190.326 4
    9月 September-0.100.600 2-0.170.386 6-0.140.468 0-0.090.645 9
    10月 October0.250.182 2-0.160.417 7-0.230.216 2-0.340.072 7
    11月 November0.090.633 2-0.250.193 9-0.080.670 80.090.633 9
    12月 December-0.060.759 3-0.040.851 9-0.240.199 90.220.248 6
    年平均 Annual mean0.030.892 3-0.230.225 70.120.528 8-0.180.363 6
    下载: 导出CSV

    表  3  大小径级红松挥发性碳贡献与PDSI的相关关系

    Table  3.   Correlations between volatile carbon contribution and PDSI for P. koraiensis of large and small diameter classes

    月份 Month大径级 Large diameter class小径级 Small diameter class
    当年PDSI PDSI
    in the very year
    上一年PDSI PDSI
    in the previous year
    当年PDSI PDSI
    in the very year
    上一年PDSI PDSI
    in the previous year
    rPrPr PrP
    1月 January-0.030.890 2-0.060.776 50.040.849 90.210.278 7
    2月 February-0.020.927 9-0.080.681 90.030.892 20.260.175 4
    3月 March0.030.876 5-0.130.516 70.030.885 00.240.204 2
    4月 April0.040.831 0-0.060.755 90.110.577 00.150.439 0
    5月 May-0.030.866 6-0.170.379 40.150.414 20.210.264 3
    6月 June-0.090.653 8-0.060.749 10.370.041 2*0.070.708 4
    7月 July0.000.986 2-0.080.665 10.360.054 10.100.595 4
    8月 August0.080.689 5-0.110.555 80.220.232 70.070.710 2
    9月 September0.080.663 7-0.180.348 90.090.618 50.040.830 9
    10月 October0.160.396 6-0.160.409 50.070.698 00.030.876 5
    11月 November0.170.378 2-0.170.364 90.070.714 10.070.720 6
    12月 December0.150.433 1-0.120.520 10.050.809 50.050.807 9
    年平均 Annual mean0.060.762 5-0.140.480 80.150.436 10.140.460 6
    下载: 导出CSV

    表  4  大小径级红松挥发性碳贡献与生长量及生长变化率相关关系

    Table  4.   Correlations between volatile carbon contribution and tree ring growth and growth rate of Pinus koraiensis at different diameter classes

    项目 Item当年生长量 Increment
    in the very year
    上一年生长量 Increment
    in the previous year
    当年生长变化率 Growth
    change rate in the very year
    上一年生长变化率 Growth
    change rate in the previous year
    rPrPrPrP
    大径级 Large diameter class-0.100.612 8-0.130.504 40.040.879 40.080.723 7
    小径级 Small diameter class-0.040.836 20.020.906 40.100.681 90.130.596 2
    下载: 导出CSV
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  • 收稿日期:  2018-09-14
  • 修回日期:  2018-11-27
  • 刊出日期:  2019-01-01

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