中国沙漠 ›› 2024, Vol. 44 ›› Issue (5): 60-72.DOI: 10.7522/j.issn.1000-694X.2024.00034
苏靖茸1,2(), 肖生春1(
), 彭小梅1, 车存伟3, 赵鹏4
收稿日期:
2023-10-20
修回日期:
2024-02-17
出版日期:
2024-09-20
发布日期:
2024-10-15
通讯作者:
肖生春
作者简介:
肖生春(E-mail: xiaosc@lzb.ac.cn)基金资助:
Jingrong Su1,2(), Shengchun Xiao1(
), Xiaomei Peng1, Cunwei Che3, Peng Zhao4
Received:
2023-10-20
Revised:
2024-02-17
Online:
2024-09-20
Published:
2024-10-15
Contact:
Shengchun Xiao
摘要:
油松(Pinus tabulaeformis)是中国特有且广泛分布的针叶树种,也是中国北方地区的主要造林树种。气候变化对油松生长的影响是种群生态学研究的热点。基于油松树木年轮学文献成果,系统梳理分析了不同降水、气温等因素影响下中国北方地区油松径向生长特征,试图明晰其区域分异特征,以期为油松天然林和人工林管理提供理论和决策依据。结果表明:(1)在年降水量低于400 mm的区域,限制油松径向生长的主要因素是生长季降水;在年降水量400~600 mm的区域,生长季的水热因素共同影响油松的径向生长;在年降水量高于600 mm区域,油松的径向生长主要受5月降水与平均气温及其共同作用的干旱胁迫影响。(2)上年降水对油松径向生长的“滞后效应”主要体现在年降水量低于600 mm和年均气温低于9 ℃的区域。(3)冬季气温对年降水量高于600 mm和年均气温高于9 ℃区域油松的生长起促进作用,对年降水量低于600 mm和年均气温低于9 ℃的区域起抑制作用。在全球气候变暖背景下,油松分布区将面临从干旱半干旱区向相对湿润区、从低海拔向高海拔移动的趋势。
中图分类号:
苏靖茸, 肖生春, 彭小梅, 车存伟, 赵鹏. 油松( Pinus tabulaeformis )径向生长对气候响应的区域分异特征[J]. 中国沙漠, 2024, 44(5): 60-72.
Jingrong Su, Shengchun Xiao, Xiaomei Peng, Cunwei Che, Peng Zhao. Regional differentiation of radial growth to climate response of Chinese pine ( Pinus tabulaeformis )[J]. Journal of Desert Research, 2024, 44(5): 60-72.
图1 研究区油松天然林与人工林采样点分布区注:基于自然资源部标准地图服务网站标准地图(审图号:GS(2020)4619号)制作,底图边界无修改
Fig.1 Main distribution and tree-ring sampling points of the natural and planted Pinus tabulaeformis forests in China
#1 | (Pinus tabuliformis [Title/Abstract]) OR (Chinese pine [Title/Abstract]) |
---|---|
#2 | (plantation[Title/Abstract]) OR (natural forests[Title/Abstract]) |
#3 | (#1) AND (#2) |
#4 | ((((Precipitation[Title/Abstract]) OR (Precipitation[Title/Abstract])) OR (PDSI[Title/Abstract])) OR (scPDSI[Title/Abstract])) OR (SPEI[Title/Abstract]) |
#5 | (radial growth) OR (climate response) |
#6 | (#4) AND (#5) |
#7 | (#3) AND (#6) |
表1 PubMed搜索策略
Table 1 Search strategy on PubMed
#1 | (Pinus tabuliformis [Title/Abstract]) OR (Chinese pine [Title/Abstract]) |
---|---|
#2 | (plantation[Title/Abstract]) OR (natural forests[Title/Abstract]) |
#3 | (#1) AND (#2) |
#4 | ((((Precipitation[Title/Abstract]) OR (Precipitation[Title/Abstract])) OR (PDSI[Title/Abstract])) OR (scPDSI[Title/Abstract])) OR (SPEI[Title/Abstract]) |
#5 | (radial growth) OR (climate response) |
#6 | (#4) AND (#5) |
#7 | (#3) AND (#6) |
图2 油松天然林(A~C)与人工林(D)径向生长与气候因子的效应值注:误差线表示95%的置信区间,误差线与零线相交表明气候因子对油松生长影响的效应值未达到显著水平
Fig.2 Effect size (R) between the growth of Pinus tabulaeformis in natural (A-C) and plantation(D) forests and climate factors
气候因子 | 月份 | 效应值的系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
降水 | 上年9月 | -0.0006 | 0.0002 | -2.93 | 0.009 |
当年3月 | -0.0003 | 0.0001 | -1.64 | 0.116 | |
当年5月 | -0.0001 | 0.0002 | -0.68 | 0.505 | |
当年6月 | -0.0003 | 0.0001 | -1.95 | 0.064 | |
当年7月 | -0.0003 | 0.0002 | -1.45 | 0.161 | |
气温 | 当年2月 | 0.0003 | 0.0002 | 1.21 | 0.240 |
当年5月 | 8.39×10-6 | 0.0002 | 0.04 | 0.965 | |
当年6月 | 0.0002 | 0.0002 | 1.06 | 0.300 | |
当年7月 | 0.0005 | 0.0950 | -4.33 | 0.000 |
表2 降水梯度下油松径向生长与气候因子效应值及统计参数
Table 2 Statistics of effect size ( R ) between radial growth of P. tabulaeformis and climatic factors under precipitation gradients
气候因子 | 月份 | 效应值的系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
降水 | 上年9月 | -0.0006 | 0.0002 | -2.93 | 0.009 |
当年3月 | -0.0003 | 0.0001 | -1.64 | 0.116 | |
当年5月 | -0.0001 | 0.0002 | -0.68 | 0.505 | |
当年6月 | -0.0003 | 0.0001 | -1.95 | 0.064 | |
当年7月 | -0.0003 | 0.0002 | -1.45 | 0.161 | |
气温 | 当年2月 | 0.0003 | 0.0002 | 1.21 | 0.240 |
当年5月 | 8.39×10-6 | 0.0002 | 0.04 | 0.965 | |
当年6月 | 0.0002 | 0.0002 | 1.06 | 0.300 | |
当年7月 | 0.0005 | 0.0950 | -4.33 | 0.000 |
气候因子 | 月份 | 效应值的系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
降水 | 上年9月 | -0.035 | 0.012 | -2.82 | 0.011 |
当年3月 | -0.025 | 0.010 | -0.29 | 0.032 | |
当年5月 | 0.01 | 0.01 | 1.03 | 0.315 | |
当年6月 | -0.015 | 0.01 | -1.50 | 0.147 | |
当年7月 | -0.028 | 0.01 | -2.54 | 0.018 | |
气温 | 当年2月 | 0.015 | 0.015 | 1.04 | 0.312 |
当年5月 | 0.009 | 0.012 | 0.72 | 0.478 | |
当年6月 | 0.037 | 0.012 | 2.97 | 0.007 | |
当年7月 | 0.039 | 0.01 | 3.73 | 0.001 |
表3 气温梯度下油松径向生长与气候因子之间的效应值及统计参数
Table 3 Statistics of effect size ( R ) between radial growth of Pinus tabulaeformis and climatic factors under temperature gradients
气候因子 | 月份 | 效应值的系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
降水 | 上年9月 | -0.035 | 0.012 | -2.82 | 0.011 |
当年3月 | -0.025 | 0.010 | -0.29 | 0.032 | |
当年5月 | 0.01 | 0.01 | 1.03 | 0.315 | |
当年6月 | -0.015 | 0.01 | -1.50 | 0.147 | |
当年7月 | -0.028 | 0.01 | -2.54 | 0.018 | |
气温 | 当年2月 | 0.015 | 0.015 | 1.04 | 0.312 |
当年5月 | 0.009 | 0.012 | 0.72 | 0.478 | |
当年6月 | 0.037 | 0.012 | 2.97 | 0.007 | |
当年7月 | 0.039 | 0.01 | 3.73 | 0.001 |
图5 降水(A)和气温(B)梯度下油松径向生长与降水之间的效应值
Fig.5 Effect size (R) between radial growth of Pinus tabulaeformis and precipitation under precipitation (A) and temperature (B) gradients
图6 降水(A)和气温(B)梯度下油松径向生长与气温之间的效应值
Fig.6 Effect size (R) between radial growth of Pinus tabulaeformis and temperature under precipitation (A) and temperature (B) gradients
图7 降水梯度下油松天然林(A~C)和人工林(D~F)径向生长与PDSI的效应值
Fig.7 Effect size (R) between radial growth of Pinus tabulaeformis in natural (A-C) and plantation (D-F) forests and PDSI under precipitation gradients
图8 气温梯度下油松天然林(A~C)和人工林(D~F)径向生长与PDSI的效应值
Fig.8 Effect size (R) between radial growth of Pinus tabulaeformis in natural (A-C) and plantation (D-F) forests and PDSI under temperature gradients
林分 来源 | 月份 | 效应值的 系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
天然林 | 当年5月 | -0.0006 | 0.0003 | -2.43 | 0.028 |
当年6月 | -0.0006 | 0.0003 | -2.18 | 0.046 | |
当年7月 | -0.0005 | 0.0003 | -1.54 | 0.145 | |
人工林 | 当年5月 | -0.0004 | 0.0005 | -0.69 | 0.500 |
当年6月 | -0.0005 | 0.0005 | -1.06 | 0.306 | |
当年7月 | -0.0004 | 0.0005 | -0.77 | 0.453 |
表4 降水梯度下油松径向生长与PDSI之间的效应值及统计参数
Table 4 Statistics of effect size ( R ) between radial growth of Pinus tabulaeformis and PDSI under precipitation gradients
林分 来源 | 月份 | 效应值的 系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
天然林 | 当年5月 | -0.0006 | 0.0003 | -2.43 | 0.028 |
当年6月 | -0.0006 | 0.0003 | -2.18 | 0.046 | |
当年7月 | -0.0005 | 0.0003 | -1.54 | 0.145 | |
人工林 | 当年5月 | -0.0004 | 0.0005 | -0.69 | 0.500 |
当年6月 | -0.0005 | 0.0005 | -1.06 | 0.306 | |
当年7月 | -0.0004 | 0.0005 | -0.77 | 0.453 |
林分 来源 | 月份 | 效应值的 系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
天然林 | 当年5月 | -0.06 | 0.020 | -3.03 | 0.008 |
当年6月 | -0.06 | 0.020 | -3.98 | 0.001 | |
当年7月 | -0.06 | 0.016 | -3.55 | 0.003 | |
人工林 | 当年5月 | -0.007 | 0.029 | -0.23 | 0.069 |
当年6月 | -0.005 | 0.026 | -0.20 | 0.845 | |
当年7月 | -0.023 | 0.026 | -0.86 | 0.403 |
表5 气温梯度下油松径向生长与PDSI之间的效应值及统计参数
Table 5 Statistics of effect size ( R ) between radial growth of Pinus tabulaeformis and PDSI under temperature gradients
林分 来源 | 月份 | 效应值的 系数 | 标准差 | t | P>|t| |
---|---|---|---|---|---|
天然林 | 当年5月 | -0.06 | 0.020 | -3.03 | 0.008 |
当年6月 | -0.06 | 0.020 | -3.98 | 0.001 | |
当年7月 | -0.06 | 0.016 | -3.55 | 0.003 | |
人工林 | 当年5月 | -0.007 | 0.029 | -0.23 | 0.069 |
当年6月 | -0.005 | 0.026 | -0.20 | 0.845 | |
当年7月 | -0.023 | 0.026 | -0.86 | 0.403 |
图9 降水(A)和气温(B)梯度下油松天然林径向生长与PDSI间的效应值
Fig.9 Effect size (R) between radial growth of natural Pinus tabulaeformis and PDSI under precipitation (A) and temperature (B) gradients
图10 降水(A)和气温(B)梯度下油松人工林径向生长与PDSI间的效应值
Fig.10 Effect size (R) between radial growth of planted Pinus tabulaeformis and PDSI under precipitation (A) and temperature (B) gradients
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