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道路干扰指数在森林景观保护中的应用研究

孙乡楠 杨华 李世明 张恒 尚旭阳 张永福

孙乡楠, 杨华, 李世明, 张恒, 尚旭阳, 张永福. 道路干扰指数在森林景观保护中的应用研究[J]. 北京林业大学学报, 2017, 39(5): 65-72. doi: 10.13332/j.1000-1522.20160349
引用本文: 孙乡楠, 杨华, 李世明, 张恒, 尚旭阳, 张永福. 道路干扰指数在森林景观保护中的应用研究[J]. 北京林业大学学报, 2017, 39(5): 65-72. doi: 10.13332/j.1000-1522.20160349
SUN Xiang-nan, YANG Hua, LI Shi-ming, ZHANG Heng, SHANG Xu-yang, ZHANG Yong-fu. Application of road disturbance index in forest landscape protection[J]. Journal of Beijing Forestry University, 2017, 39(5): 65-72. doi: 10.13332/j.1000-1522.20160349
Citation: SUN Xiang-nan, YANG Hua, LI Shi-ming, ZHANG Heng, SHANG Xu-yang, ZHANG Yong-fu. Application of road disturbance index in forest landscape protection[J]. Journal of Beijing Forestry University, 2017, 39(5): 65-72. doi: 10.13332/j.1000-1522.20160349

道路干扰指数在森林景观保护中的应用研究

doi: 10.13332/j.1000-1522.20160349
基金项目: 

北京市优秀人才培养资助青年骨干个人项目 2016000021733G170

国家自然科学基金项目 31370635

详细信息
    作者简介:

    孙乡楠。主要研究方向:森林资源监测与评价。Email: 370116990@qq.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:

    杨华,博士,副教授。主要研究方向:森林资源监测技术。Email: huayang8747@163.com   地址:同上

  • 中图分类号: S757.4+2

Application of road disturbance index in forest landscape protection

  • 摘要: 道路的不断扩张对所在区域周边景观的干扰效应日趋明显。在森林功能区划时,需要充分考虑道路的干扰因素以避免造成不必要的景观破碎化风险。本研究从景观层面切入,在对研究区道路系统进行属性分级后,利用空间道路干扰指数作为定量化手段评价道路对森林景观的潜在影响;以北京市十三陵林场的森林经理调查数据为主要数据源,对该指数进行测试应用并探讨十三陵风景区潜在道路干扰的空间分布。结果表明:本研究所使用的道路干扰指数能够反映研究区内的道路干扰情况,针叶林地区受潜在干扰威胁最为严重(归一化指数平均值为41.87);主要优势树种白皮松受潜在干扰威胁最大(65.92),需要重点监测;进行Spearman秩相关检验后发现,在构成道路干扰指数的3个二级指数中,最近干扰(N)对最终指数的影响最为显著(0.99)。空间道路干扰指数是一个快速有效的定量化工具,便于森林经营管理者在景观尺度上评价道路干扰情况,迅速发现区域内道路干扰的高威胁地带,有目的性地对森林景观加以保护。

     

  • 图  1  十三陵林场道路交通图及功能分区图

    Figure  1.  Road traffic map and functional area map in Beijing Ming Dynasty Tombs Forest Farm

    图  2  十三陵林场道路空间干扰指数与3个二级指数的空间分布图

    General T:归一化交通强度Generalized traffic intensity; General V:归一化邻近影响Generalized vicinity influence; General N:归一化最近干扰Generalizeed nearest interfere; General SRDI:归一化空间道路干扰指数Generalized spatial road disturbance index.下同The same below.

    Figure  2.  Spatial distribution of road disturbance index and three sub-indices in Beijing Ming Dynasty Tombs Forest Farm

    图  3  十三陵林场各森林景观类型空间道路干扰指数

    Figure  3.  Spatial road disturbance index of each forest landscape type in Beijing Ming Dynasty Tombs Forest Farm

    图  4  十三陵林场主要优势树种空间道路干扰指数

    1.白腊Fraxinus chinensis 2.白皮松Pinus bungeana 3.侧柏Platycladus orientalis 4.刺槐Robinia pseudoacacia 5.黄栌Cotinus coggygria 6.山杏Armeniaca sibirica 7.五角枫Acer mono 8.油松Pinus tabuliformis 9.榆树Ulmus pumila 10.栾树Koelreuteria paniculata 11.槲树Quercus dentata

    Figure  4.  Spatial road disturbance index of main dominant species in Beijing Ming Dynasty Tombs Forest Farm

    图  5  4组指数结果的散点图

    Figure  5.  Scatter plots of the results of four groups

    表  1  十三陵林场各类经营区的道路特征

    Table  1.   Road characteristics of each functional area in Beijing Ming Dynasty Tombs Forest Farm

    功能区类型
    Type of function area
    区域面积/hm2
    Region area/ha
    人行道路
    Footpath/m
    农用道路
    Agricultural road/m
    台阶路
    Step path/m
    汽车公路
    Highway/m
    道路总长
    Total road length/m
    道路密度
    Road density/%
    森林游憩区Forest recreation area 895.6 58 062.0 0 13 192.8 53 329.8 124 584.6 139.1
    森林景观区Forest landscape area 5 369.4 114 022.2 805.5 0 39 468.9 154296.6 28.7
    生态涵养区Ecological conservation area 2 269.7 21 181.9 699.0 1 025.1 12 305.7 35 211.7 15.5
    辅助功能区Auxiliary function area 26.9 0 0 0 0 0 0
    总计Total 8 561.6 328 470.2 3 009.1 15 243.0 156 879.0 503 601.2 58.8
    下载: 导出CSV

    表  2  道路使用频度系数

    Table  2.   Frequency coefficient of road use

    频度C 类别Road type 备注Remark
    0.4 汽车公路
    Highway
    高速公路、一级公路、二级公路、三级公路(路宽大于3 m)
    Expressway, Grade A highway, Grade B highway, Grade C highway (the road width is greater than 3 m)
    0.3 农用道路
    Agricultural road
    路宽不足3 m,不能满足林区公路标准且仅供农用机车通行的道路
    The width of road is less than 3 m, can not meet the standards of forest area road but only as agricultural road
    0.2 人行道路
    Footpath
    路宽不足2 m,仅供行人通过的道路
    The road width was less than 2 m, access for foot passenger only
    0.1 台阶道
    Step path
    森林公园景区中的台阶道路,路宽不足1.5 m
    Step path in forest park and the road width was less than 1.5 m
    下载: 导出CSV

    表  3  十三陵林场各类经营区道路干扰强度等级

    Table  3.   Grade of road interference of each function area in Beijing Ming Dynasty Tombs Forest Farm

    功能区类型
    Type of function area
    一级
    Grade 1
    二级
    Grade 2
    三级
    Grade 3
    四级
    Grade 4
    五级
    Grade 5
    森林游憩区Forest recreation area 21(21.43%) 27(27.55%) 36(36.73%) 12(12.24%) 2(2.04%)
    森林景观区Forest landscape area 22(3.86%) 283(47.48%) 235(41.08%) 31(5.42%) 1(0.17%)
    生态涵养区Ecological conservation area 247(22.67%) 147(59.51%) 43(17.41%) 1(0.40%) 0
    辅助功能区Auxiliary function area 1(50%) 1(50%) 0 0 0
    注:括号内数值表示各干扰等级在各类经营区中的样点分布比例。Note: The proportion of the sample points in each function area is represented in the brackets.
    下载: 导出CSV

    表  4  Spearman秩相关检验结果

    Table  4.   Spearman rank correlation coefficients for the spatial road disturbance index and all sub-indices

    General SRDI General T General V
    General T 0.715 825 2
    General V 0.900 562 9 0.737 968 5
    General N 0.994 361 0 0.710 504 5 0.881 902 4
    下载: 导出CSV
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  • 收稿日期:  2016-10-28
  • 修回日期:  2016-12-30
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