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2000—2015年滦河流域植被净初级生产力时空分布特征及其驱动因子分析

刘婧 汤峰 张贵军 张蓬涛

刘婧, 汤峰, 张贵军, 张蓬涛. 2000—2015年滦河流域植被净初级生产力时空分布特征及其驱动因子分析[J]. 中国生态农业学报(中英文), 2021, 29(4): 659-671. doi: 10.13930/j.cnki.cjea.200701
引用本文: 刘婧, 汤峰, 张贵军, 张蓬涛. 2000—2015年滦河流域植被净初级生产力时空分布特征及其驱动因子分析[J]. 中国生态农业学报(中英文), 2021, 29(4): 659-671. doi: 10.13930/j.cnki.cjea.200701
LIU Jing, TANG Feng, ZHANG Guijun, ZHANG Pengtao. Spatio-temporal distribution of net primary productivity and its driving factors in the Luanhe River Basin from 2000 to 2015[J]. Chinese Journal of Eco-Agriculture, 2021, 29(4): 659-671. doi: 10.13930/j.cnki.cjea.200701
Citation: LIU Jing, TANG Feng, ZHANG Guijun, ZHANG Pengtao. Spatio-temporal distribution of net primary productivity and its driving factors in the Luanhe River Basin from 2000 to 2015[J]. Chinese Journal of Eco-Agriculture, 2021, 29(4): 659-671. doi: 10.13930/j.cnki.cjea.200701

2000—2015年滦河流域植被净初级生产力时空分布特征及其驱动因子分析

doi: 10.13930/j.cnki.cjea.200701
基金项目: 

河北省社会科学基金项目 HB19YJ020

详细信息
    作者简介:

    刘婧, 主要研究方向为土地评价与可持续利用。E-mail: liujingahcz@163.com

    通讯作者:

    张贵军, 主要研究方向为土地评价与可持续利用。E-mail: 2569401081@qq.com

  • 中图分类号: Q948

Spatio-temporal distribution of net primary productivity and its driving factors in the Luanhe River Basin from 2000 to 2015

Funds: 

the Social Science Fund of Hebei Province HB19YJ020

More Information
  • 摘要: 植被净初级生产力(NPP)可以反映植被生长状况,是表征地区生态质量的重要指标。本文以滦河流域为研究区,调查采集植被NPP、气象、土地利用结构及变化等多时空数据,利用Sen趋势、Hurst指数及残差分析等多种方法,综合考虑自然环境和人为利用的影响,对2000—2015年植被NPP的时空变化特征、未来演变趋势及驱动因子进行分析和研究,并定量识别不同区域内的主导驱动因子,旨在为该流域的生态环境治理工作提供依据。研究结果表明:1)2000—2015年,滦河流域植被NPP年均值为455.04 g(C)·m-2·a-1,整体呈波动上升趋势,显著增加区占流域总面积的32.94%,且未来同向变化趋势略强于反向变化趋势;2)该流域植被NPP空间差异较为显著,表现为东南高西北低的格局,受地形影响较大,流域中游的低山丘陵区为植被NPP高值区;3)驱动机制上,流域植被NPP变化与温度和降水均为正相关关系,水热耦合共同作用于植被NPP的积累,人类活动则是通过改变土地利用强度或生态建设工程等影响植被NPP的变化,且在不同地形区域内,植被NPP变化的主导驱动因子不同,整体上以气候和人类活动共同正向促进作用为主,但在平原区以单因子的反向抑制作用为主。
  • 图  1  滦河流域地理位置

    Figure  1.  Location of the Luanhe River Basin

    图  2  滦河流域2000—2015年平均植被NPP的分布

    Figure  2.  Spatial distribution of 16-year average vegetation NPP of the Luanhe River Basin in 2000-2015

    图  3  滦河流域2000—2015年植被NPP变化趋势(a)及变化显著性(b)

    Figure  3.  Variation trend (a) and significance (b) of vegetation NPP in the Luanhe River Basin from 2000 to 2015

    图  4  滦河流域植被NPP变异系数(a)及未来变化趋势(b)

    Figure  4.  Coefficient of variation (a) and the future trend (b) of vegetation NPP in the Luanhe River Basin

    图  5  2000—2015年滦河流域植被NPP与温度的相关系数(a)和偏相关系数(b)及与降水的相关系数(c)和偏相关系数(d)

    Figure  5.  Correction coefficients and partial correction coefficients between vegetation NPP and temperature (a, b) and precipitation (c, d) in the Luanhe River Basin during 2000-2015

    图  6  滦河流域高程及坡度对植被NPP的影响

    Figure  6.  Effects of elevation and slope on the NPP of vegetation in the Luanhe River Basin

    图  7  滦河流域2000—2015年植被NPP残差值及变化趋势

    Figure  7.  Distribution of NPP residual value and variation trend from 2000 to 2015 in the Luanhe River Basin during 2000-2015

    图  8  滦河流域植被NPP变化驱动因子分区

    Figure  8.  Zoning of the driving factors of vegetation NPP change in the Luanhe River Basin

    表  1  滦河流域不同土地利用类型的人类影响强度系数

    Table  1.   Human impact intensity coefficients of different land use types in the Luanhe River Basin

    强度等级
    Intensity of utilization
    土地利用类型
    land use type
    特征
    Characteristic
    系数
    Coefficient
    未利用/极少利用
    Unused/rarely used
    未利用地
    Unused land
    表层自然覆被未被改变且未被利用
    Surface natural coverings are not altered and not utilized.
    1
    一般利用
    General used
    林地
    Forest land
    表层自然覆被未被改变且未被或很少被利用
    Surface natural coverings are not altered and rarely utilized.
    2
    水域
    Water area
    部分表层自然覆被改变且被利用
    Part of the surface layer is naturally altered and utilized.
    3
    草地
    Meadowland
    表层自然覆被未被改变或被改变种植多年生植物
    Surface natural coverings are unaltered or altered to plant perennials.
    4
    改造/开发利用
    Transformation/exploitation
    耕地
    Farmland
    表层自然覆被改变且种植短期作物
    Surface natural coverings are altered into short-term crop land.
    5
    建设用地
    Construction land
    表层自然覆被完全改变且较难或无法恢复
    Surface natural coverings are completely changed and difficult to be recovered.
    6
    下载: 导出CSV

    表  2  滦河流域不同地形下的NPP比较

    Table  2.   Comparison of NPP for different terrains in Luanhe River Basin

    项目
    Item
    地形和高程 Terrain and elevation 坡度 Slope
    平原
    Plain
    丘陵
    Hills
    低山
    Low mountain
    中山
    Medium mountain
    高山
    High mountain
    平原
    Plain
    微斜坡
    Micro slope
    缓斜坡
    Gentle slope
    斜坡
    Inclined slope
    陡坡
    Steep slope
    峭坡
    Cliffs slope
    0~200 m 200~ 500 m 500~ 1000 m 1000~ 1500 m > 1500 m 0°~0.5° 0.5°~2° °2~5° 5°~15° 15°~35° 35°~55°
    平均NPP
    Average NPP [g(C)·m-2·a-1]
    483.26 466.12 507.73 388.75 407.48 440.98 398.89 429.79 463.07 504.14 496.54
    变化趋势
    Change trend [g(C)·m-2·a-1]
    -3.64 3.94 7.17 3.53 3.20 -1.26 1.53 3.11 5.46 7.06 7.76
    未来变化趋势
    Future change trend [g(C)·m-2·a-1]
    0.55 0.51 0.52 0.53 0.52 0.46 0.48 0.5 0.52 0.51 0.51
    下载: 导出CSV

    表  3  滦河流域2000—2015年土地利用强度变化及导致的植被NPP变化

    Table  3.   Area sequence of land use intensity change and vegetation NPP change in the Luanhe River Basin during 2000-2015

    土地利用强度变化
    Land use intensity change
    面积变化
    Area change (×104 hm2)
    变化率
    Rate of change (%)
    NPP残差变化量
    NPP residual change [g(C)·a-1]
    单位面积NPP残差变化量
    NPP residual change per unit area [104 g(C)·a-1·m-2]
    -3 0.60 0.11 62.82 1.05
    -2 0.92 0.17 -178.53 -1.94
    -1 0.87 0.16 103.16 1.19
    1 2.70 0.49 -439.77 -1.63
    2 0.64 0.12 -13.46 -0.21
    3 1.40 0.25 37.51 0.27
    4 0.81 0.15 -9.53 -0.12
    面积变化小于0.01×104 hm2的未在表格中表示。Areas with a change less than 0.01×104 hm2 are not represented in the table.
    下载: 导出CSV

    表  4  滦河流域不同区域驱动因子对植被NPP变化的影响

    Table  4.   Influence of driving factor in different areas on vegetation NPP changes of the Luanhe River Basin

    驱动因素
    Driving factor
    全域
    Global scope
    平原区
    Plain area
    低山丘陵区
    Low hilly area
    中高山区
    Middle-high mountain area
    面积
    Area
    (×104hm2)
    比例
    Proportion (%)
    面积
    Area (×104hm2)
    比例
    Proportion
    (%)
    面积
    Area (×104hm2)
    比例
    Proportion (%)
    面积
    Area
    (×104hm2)
    比例
    Proportion
    (%)
    气候和人类共同正向驱动
    Positive driving of climate and human
    193.90 35.79 7.76 1.43 86.49 15.96 99.65 18.39
    气候的正向驱动
    Positive drive of climate positive
    69.89 12.90 4.31 0.80 48.84 9.02 16.74 3.09
    人类活动的正向驱动
    Positive drive of human
    80.18 14.80 5.61 1.04 55.57 10.26 19.00 3.51
    气候和人类共同反向驱动
    Negative drive of climate and human
    9.43 1.74 6.30 1.16 0.80 0.15 2.33 0.43
    气候的反向驱动
    Negative drive of climate
    31.83 5.88 17.80 3.29 6.44 1.19 7.59 1.40
    人类活动的反向驱动
    Negative drive of human
    16.91 3.12 7.79 1.44 2.96 0.55 6.16 1.14
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-08-28
  • 录用日期:  2020-11-13
  • 刊出日期:  2021-04-01

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