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伏牛山3种典型针叶林植硅体碳的封存特性及稳定性比较研究

张楚磊 鲁静 李晓林 张子铮 田耀武

张楚磊,鲁静,李晓林,等. 伏牛山3种典型针叶林植硅体碳的封存特性及稳定性比较研究 [J]. 福建农业学报,2023,38(9):1124−1132 doi: 10.19303/j.issn.1008-0384.2023.09.015
引用本文: 张楚磊,鲁静,李晓林,等. 伏牛山3种典型针叶林植硅体碳的封存特性及稳定性比较研究 [J]. 福建农业学报,2023,38(9):1124−1132 doi: 10.19303/j.issn.1008-0384.2023.09.015
ZHANG C, LU J, LI X L, et al. Storage and Stability of Phytolith-occluded Carbon in Three Typical Coniferous Forests at Mt. Funiu [J]. Fujian Journal of Agricultural Sciences,2023,38(9):1124−1132 doi: 10.19303/j.issn.1008-0384.2023.09.015
Citation: ZHANG C, LU J, LI X L, et al. Storage and Stability of Phytolith-occluded Carbon in Three Typical Coniferous Forests at Mt. Funiu [J]. Fujian Journal of Agricultural Sciences,2023,38(9):1124−1132 doi: 10.19303/j.issn.1008-0384.2023.09.015

伏牛山3种典型针叶林植硅体碳的封存特性及稳定性比较研究

doi: 10.19303/j.issn.1008-0384.2023.09.015
基金项目: 国家自然科学基金(32271848)
详细信息
    作者简介:

    张楚磊(1998 — ),男,硕士生,主要从事森林生态研究,E-mail:15538865861@163.com

    通讯作者:

    田耀武(1975 — ),男,博士,教授,主要从事森林生态研究,E-mail:tianyaowu@162.com

  • 中图分类号: S153

Storage and Stability of Phytolith-occluded Carbon in Three Typical Coniferous Forests at Mt. Funiu

  • 摘要:   目的  通过对伏牛山3种针叶林植物器官、枯落物和土壤中植硅体及植硅体碳的研究,探讨不同林分间植硅体碳的封存特性及稳定性差异,为长期固碳提供理论依据。  方法  在伏牛山的雪松(Cedrus deodara)、圆柏(Sabina chinensis)、侧柏(Platycladus orientalis)3种森林中对植物各器官、枯落物和0~50 cm深的土壤剖面进行采样,基于质量平衡法研究了土壤与植物体内的植硅体、植硅体碳和二氧化硅(SiO2)的含量。  结果  雪松各器官植硅体含量在1.49~3.27 g·kg−1,植硅体碳含量在0.030~0.114 g·kg−1。圆柏各器官植硅体含量在1.44~2.56 g·kg−1,植硅体碳含量在0.036~0.085g·kg−1。侧柏各器官植硅体含量在1.86~2.90 g·kg−1,植硅体碳含量在0.038~0.083 g·kg−1。本研究估算了植硅体碳在各林分中的生产通量与周转时间,圆柏林中土壤植硅体碳储量(1.64 t·hm−2)高于雪松林(1.17 t·hm−2)和侧柏林(0.77 t·hm−2),且圆柏林植硅体碳周转时间(1813.16 a)长于雪松林(218.78 a)和侧柏林(556.44 a)。  结论  不同的森林类型对植硅体及植硅体碳的生产速率和周转时间会有显著影响,在未来的针叶林森林管理计划中优化圆柏的造林/再造林会显著增强未来几个世纪的生物地球化学碳汇。
  • 图  1  不同植物体内植硅体与植硅体碳、二氧化硅的相关性

    A、B分别为雪松植物体内植硅体与植硅体碳、二氧化硅相关性;C、D分别为圆柏植物体内植硅体与植硅体碳、二氧化硅相关性;E、F分别为侧柏植物体内植硅体与植硅体碳、二氧化硅相关性。

    Figure  1.  Correlations between phytoliths and PhytOC or SiO2 in plant organs at various forests

    A or B: Correlation between phytoliths and PhytOC or SiO2 in plant organs at C. deodara forest; C or D: correlation between phytoliths and PhytOC or SiO2 in plant organs at S. chinensis forest; E or F: correlation between phytoliths and PhytOC or SiO2 in plant organs at P. orientalis forest.

    图  2  3种林分土壤剖面中植硅体(A)及植硅体碳(B)的变化

    Figure  2.  Changes in phytoliths (A) and PhytOC (B) of 3 forest soils

    图  3  土壤植硅体含量和土壤植硅体碳含量的相关性

    Figure  3.  Correlation between phytolith and PhytOC contents in soil

    表  1  供试不同森林中不同树种器官中的植硅体、植硅体中有机碳、植硅体碳和SiO2含量

    Table  1.   Phytoliths and C in phytoliths, PhytOC, and SiO2 in plant organs at forests

    器官
    Organs
    植硅体含量
    Phytoliths content/(g·kg−1
    植硅体中有机碳含量
    C in phytoliths/(g·kg−1
    植硅体碳含量
    PhytOC content/(g·kg−1
    SiO2含量
    SiO2 content/(g·kg−1
    雪松雄花序
    Cedar male inflorescence
    3.24±0.08 c 33.94±0.81 c 0.110±0.002 c 2.66±0.22 c
    雪松松针
    Cedar leaf
    3.27±0.17 c 34.82±1.36 c 0.114±0.005 c 2.70±0.05 c
    雪松枝
    Cedar branch
    2.22±0.28 ef 19.34±1.43 f 0.043±0.004 fgh 1.20±0.06 g
    雪松干
    Cedar trunk
    1.49±0.09 gh 20.23±1.81 f 0.030±0.001 h 0.96±0.12 g
    雪松根
    Cedar root
    2.30±0.05 ef 36.01±0.52 c 0.083±0.001 de 2.25±0.06 d
    圆柏叶
    Sabina chinensis leaf
    1.78±0.16 fgh 20.53±1.61 f 0.036±0.006 gh 1.91±0.06 ef
    圆柏枝
    Sabina chinensis branch
    1.44±0.30 h 29.16±1.48 d 0.042±0.007 gh 1.76±0.03 f
    圆柏干
    Sabina chinensis trunk
    2.01±0.43 efg 25.29±2.40 f 0.051±0.006 fgh 2.66±0.12 c
    圆柏根
    Sabina chinensis root
    2.56±0.21 de 33.33±0.47 c 0.085±0.006 d 2.64±0.07 c
    侧柏果
    Platycladus orientalis fruit
    2.22±0.11 ef 19.34±1.51 f 0.043±0.004 fgh 2.12±0.05 de
    侧柏叶
    Platycladus orientalis leaf
    1.86±0.22 fgh 20.53±1.20 f 0.038±0.006 gh 1.86±0.02 ef
    侧柏枝
    Platycladus orientalis branch
    2.30±0.22 ef 25.29±1.75 f 0.058±0.009 efg 2.10±0.08 de
    侧柏干
    Platycladus orientalis trunk
    2.33±0.02 ef 29.16±1.31 d 0.068±0.004 def 2.16±0.24 de
    侧柏根
    Platycladus orientalis root
    2.9±0.44 cd 28.57±0.33 de 0.083±0.013 de 2.59±0.14 c
    雪松枯落物
    Cedar litter
    5.17±0.04 a 58.62±1.96 a 0.303±0.012 a 4.83±0.24 a
    圆柏枯落物
    Sabina chinensis litter
    4.31±0.07 b 46.72±1.86 b 0.201±0.005 b 3.60±0.19 b
    侧柏枯落物
    Platycladus orientalis litter
    4.13±0.66 b 45.23±3.42 b 0.187±0.040 b 3.39±0.19 b
    同列不同小写字母表示不同森林类型与不同器官间差异显著(P<0.05)。
    Data with different lowercase letters on same column indicate significant difference at P<0.05.
    下载: 导出CSV

    表  2  研究区森林0~50 cm土壤深度内土壤容重(BD)、酸碱度(pH)、植硅体碳含量、植硅体中有机碳含量、植硅体碳含量和SiO2含量

    Table  2.   Bulk density, pH, phytoliths, C in phytoliths, PhytOC, and SiO2 in 0-50 cm soil at various forests

    森林类型
    Forest type
    土壤深度
    Soil depth/cm
    土壤容重
    BD
    酸碱度
    pH
    植硅体含量
    Phytoliths content/
    (g·kg−1
    植硅体中有机碳含量
    C in phytoliths/
    (g·kg−1
    植硅体碳含量
    PhytOC content/
    (g·kg−1
    SiO2含量
    SiO2 content/
    (g·kg−1
    雪松林
    Cedar forest
    0~10 1.27 9.25 13.01±0.59 a 24.89±0.60 b 0.32±0.018 a 12.09±0.16 a
    >10~20 1.32 7.21 11.97±0.71 b 23.01±0.21 c 0.28±0.018 b 12.22±0.47 a
    >20~30 1.33 7.01 3.16±0.02 i 19.36±0.76 e 0.06±0.003 ge 2.83±0.16 g
    >30~40 1.41 7.12 4.89±0.59 fg 20.63±0.98 d 0.10±0.015 ef 4.77±0.10 f
    >40~50 1.47 7.25 5.12±0.11 f 22.16±0.33 c 0.11±0.004 e 5.49±0.05 e
    圆柏林
    Sabina chinensis forest
    0~10 1.14 7.04 12.23±0.18 ab 26.48±0.51 a 0.32±0.004 a 10.00±0.38 b
    >10~20 1.18 6.95 12.72±0.53 ab 25.51±0.18 ab 0.32±0.014 a 9.77±0.26 b
    >20~30 1.22 7.06 9.25±1.06 cd 24.82±1.04 b 0.23±0.029 c 6.95±0.41 d
    >30~40 1.23 7.10 9.64±0.18 c 24.94±0.20 b 0.24±0.006 c 6.98±0.15 d
    >40~50 1.23 7.02 9.94±0.33 c 25.63±0.90 ab 0.25±0.017 bc 7.14±0.16 d
    侧柏林
    Platycladus orientalis forest
    0~10 1.22 7.17 9.25±0.49 cd 25.57±0.17 ab 0.24±0.014 c 7.91±0.72 c
    >10~20 1.29 7.24 8.39±0.07 e 23.31±0.33 c 0.20±0.004 d 6.98±0.37 d
    >20~30 1.31 7.16 3.24±0.35 i 12.40±0.82 g 0.04±0.002 e 2.47±0.34 g
    >30~40 1.31 7.03 4.02±0.10 gh 15.57±0.44 f 0.06±0.003 ge 2.64±0.10 g
    >40~50 1.33 7.01 4.37±0.13 fg 16.30±0.49 f 0.07±0.004 fg 2.70±0.37 g
    不同小写字母表示不同林分与不同土层间差异显著(P<0.05)。
    Data with different lowercase letters on same column indicate significant difference at P<0.05.
    下载: 导出CSV

    表  3  3种森林类型中植硅体生产通量、植硅体碳生产通量、植硅体碳储量和周转时间

    Table  3.   Phytolith production flux, PhytOC production flux, PhytOC storage and turnover time at 3 types of forest

    森林类型   
    Forest type   
    植硅体生产通量
    Phytolith production flux/
    (kg∙hm−2∙a−1
    植硅体碳生产通量
    PhytOC production flux/
    (kg∙hm−2∙a−1
    植硅体碳储量
    PhytOC storage/
    (t∙hm−2
    周转时间
    Turnover time/a
    雪松林
    Cedar forest
    9.13 0.53 1.17 218.78
    圆柏林
    Sabina chinensis forest
    1.94 0.09 1.64 1813.16
    侧柏林
    Platycladus orientalis forest
    3.05 0.14 0.77 556.44
    下载: 导出CSV
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  • 收稿日期:  2023-05-16
  • 修回日期:  2023-07-07
  • 网络出版日期:  2023-10-25
  • 刊出日期:  2023-09-28

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