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福建省将乐县生物防火林带阻隔网空间布局与规划

袁硕 李超 陈昊 MuhammadAmir 刘晓东

袁硕, 李超, 陈昊, MuhammadAmir, 刘晓东. 福建省将乐县生物防火林带阻隔网空间布局与规划[J]. 北京林业大学学报, 2020, 42(5): 88-95. doi: 10.12171/j.1000-1522.20190365
引用本文: 袁硕, 李超, 陈昊, MuhammadAmir, 刘晓东. 福建省将乐县生物防火林带阻隔网空间布局与规划[J]. 北京林业大学学报, 2020, 42(5): 88-95. doi: 10.12171/j.1000-1522.20190365
Yuan Shuo, Li Chao, Chen Hao, Muhammad Amir, Liu Xiaodong. Spatial layout of biological fuelbreaks in Jiangle County, Fujian Province of eastern China[J]. Journal of Beijing Forestry University, 2020, 42(5): 88-95. doi: 10.12171/j.1000-1522.20190365
Citation: Yuan Shuo, Li Chao, Chen Hao, Muhammad Amir, Liu Xiaodong. Spatial layout of biological fuelbreaks in Jiangle County, Fujian Province of eastern China[J]. Journal of Beijing Forestry University, 2020, 42(5): 88-95. doi: 10.12171/j.1000-1522.20190365

福建省将乐县生物防火林带阻隔网空间布局与规划

doi: 10.12171/j.1000-1522.20190365
基金项目: 国家自然科学基金项目(31770696)
详细信息
    作者简介:

    袁硕。主要研究方向:森林防火。Email:yuanshuo2019@qq.com 地址:100083 北京市海淀区清华东路35号北京林业大学生态与自然保护学院

    责任作者:

    刘晓东,教授。主要研究方向:森林防火。Email:xd-liu@bjfu.edu.cn 地址:同上

  • 中图分类号: S762.3+3

Spatial layout of biological fuelbreaks in Jiangle County, Fujian Province of eastern China

  • 摘要:     目的   福建省三明地区为森林火灾多发地区,为了阻隔森林火灾的蔓延、切断火源,降低火灾造成的亏损,以福建省三明市将乐县为研究区域,整体规划生物防火林带阻隔网。    方法   通过分析森林火灾时空分布规律,计算得出阻隔网密度和最小控制面积,然后利用空间分析、水文分析以及面向对象的空间特征提取等方法确定生物防火林带阻隔网的位置,再结合阻隔网现状,优化选取防火树种与阻隔网宽度,最终计算得出生物防火林带阻隔网密度,对将乐县生物防火林带阻隔网进行综合规划。    结果   最终确定生物防火林带阻隔网的密度为19.04 m/hm2,最小控制面积为10 hm2,共需营建生物防火林带阻隔网3 591.67 km,山脊防火林带阻隔网1 846.64 km,沟谷防火林带阻隔网384.21 km,林缘防火林带阻隔网1 360.82 km。山脊防火林带阻隔网宽度取均值12 m进行计算,沟谷及林缘防火林带阻隔网宽度取均值9 m,得出规划生物防火林带阻隔网总面积为3 786.49 hm2,通过对比将乐县主要树种的抗火能力,选取以木荷为主,油茶、毛竹等为辅的防火树种 ,既能发挥较好的抗火性能又兼具经济效益。    结论   依据因地制宜、因害设防、适地适树、重在实效的原则,在总结福建省生物防火林带阻隔网营建技术经验的基础上,综合考虑阻隔网密度、最小控制面积、林带的位置、林带的有效宽度、树种的选择等重要参数之后,对将乐县的生物防火林带阻隔网进行了优化,不仅达到相关规定的生物防火林带阻隔网标准,并且建设成本可控,利用有限的资金发挥较好的防火效果。

     

  • 图  1  2000—2011年三明市将乐县森林火灾空间变化

    Figure  1.  Spatial variations of forest fires in Jiangle County of Sanming City (2000−2011)

    图  2  将乐县坡度分级图

    Figure  2.  Map of slope gradient classification in Jiangle County

    图  3  阳坡区域

    Figure  3.  Sunny slope area

    图  4  利用SimDTA1.0提取的山脊线

    Figure  4.  Ridgelines extracted by SinDTA1.0

    图  5  提取的山谷线分布图

    Figure  5.  Distribution map of extracted valley line

    图  6  玫瑰风向图

    N代表北方;NNE代表北北东;NE代表东北;ENE代表东东北;E代表东方;ESE代表东东南;SE代表东南;SSE代表南南东;S代表南方;SSW代表南南西;SW代表西南;WSW代表西西南;W代表西方;WNW代表西西北;NW代表西北;NNW代表北北西。N stands for north; NNE stands for north north east; NE stands for northeast; ENE stands for east north east; E stands for east; ESE stands for east south east, SE stands for southeast; SSE stands for south south east; S stands for south; SSW stands for south south west; SW stands for southwest; WSW stands for west south west; W stands for west; WNW stands for west north west; NW stands for northwest; NNW stands for north north west.

    Figure  6.  Rose wind chart

    图  7  林缘提取

    Figure  7.  Forest edge extraction

    图  8  福建省将乐县生物防火林带阻隔网综合规划图

    Figure  8.  Integrated planning map on biological fuelbreaks in Jiangle County of Fujian Province

    表  1  规划生物防火林带阻隔网统计表

    Table  1.   Biological fuelbreak statistics

    生物防火林带阻隔网类型
    Biological fuelbreak type
    根数 Root number长度 Length/km面积/hm2
    Area/ha
    山脊防火林带阻隔网
    Ridge firebreaks
    1 229 1 846.64 2 215.96
    沟谷防火林带阻隔网
    Valley firebreaks
    246 384.21 345.79
    林缘防火林带阻隔网
    Forest edge firebreaks
    320 1 360.82 1 224.74
    总计 Total 1 795 3 591.67 3 786.49
    下载: 导出CSV
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  • 收稿日期:  2019-09-20
  • 修回日期:  2019-11-20
  • 网络出版日期:  2020-05-11
  • 刊出日期:  2020-05-25

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