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2023 , Vol. 0 >Issue 3: 56 - 64

DOI: https://doi.org/10.13466/j.cnki.lyzygl.2023.03.008

科学研究

广州市森林和城镇交界域林分尺度上的火险等级评价

  • 罗丹 ,
  • 王庆飞 ,
  • 晁碧霄 ,
  • 李乐 ,
  • 郝泽周 ,
  • 卢渊 ,
  • 王成 ,
  • 武瑞琛 ,
  • 刘飞鹏 ,
  • 裴男才
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  • 1.广州天地林业有限公司,广州 510663
    2.中国林业科学研究院热带林业研究所,广州 510520
    3.国家林业和草原局林草调查规划院,北京 100714
    4.国家林业和草原局森林草原火灾预防监测中心,北京 100714
    5.广东省龙眼洞林场,广州 510520
罗丹(1983-),女,贵州安顺人,高级工程师,硕士,主要研究方向:林业调查规划设计。Email: 81513823@qq.com

收稿日期: 2023-04-11

  修回日期: 2023-04-25

  网络出版日期: 2023-08-09

基金资助

广东省林业局科技项目(2021KJCX017);广州市基础研究计划基础与应用基础研究项目(202102080556)

收起

Evaluation on Fire Risk Rating of Forest Stands in Wildland-Urban Interface—A Case Study of Guangzhou City

  • Dan LUO ,
  • Qingfei WANG ,
  • Bixiao CHAO ,
  • Le LI ,
  • Zezhou HAO ,
  • Yuan LU ,
  • Cheng WANG ,
  • Ruichen WU ,
  • Feipeng LIU ,
  • Nancai PEI
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  • 1. Guangzhou Tiandi Forestry Limited Company,Guangzhou 510663,China
    2. Research Institute of Tropical Forestry,Chinese Academy of Forestry,Guangzhou 510520,China
    3. Academy of Forestry Inventory and Planning,National Forestry and Grassland Administration,Beijing 100714,China
    4. Forest and Grassland Fire Prevention and Monitoring Center,National Forestry and Grassland Administration,Beijing 100714,China
    5. Guangdong Longyandong Forest Farm,Guangzhou 510520,China

Received date: 2023-04-11

  Revised date: 2023-04-25

  Online published: 2023-08-09

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摘要

森林火灾风险评估是火灾预防的基础。以广州市森林和城镇交界域的16种主要林分类型为研究对象,利用地基激光雷达数据进行精准、非破坏性的分析,获取林分特征与结构指标,选取11种影响林分火灾危险性的静态因子,运用层次分析法,综合评价不同林分类型的火灾危险性。结果表明:火灾危险性较高的林分类型为桉树林、杉木纯林、米锥林,其中桉树林火险等级为四级,火灾危险性最高;杉木纯林、米锥林的火险等级为三级;杉阔混交林、黧蒴林、枫香林、樟树林、鸭脚木林、锥栗林、华润楠林、大叶相思林、尖叶杜英林、台湾相思林、润楠林、阔叶混交林的火灾危险性依次降低,且火险等级为二级,火灾危险性一般,其中杉阔混交林在二级火险林中火灾危险性最高;木荷林的火险等级为一级,火灾危险性较低。通过分析中高火险林分类型的林分特征与结构,提前对林地进行有计划的可燃物管控和改造以降低森林火灾风险,可使森林防火工作更有针对性,进而提高交界域的森林防火效率。

关键词： 交界域; 林分火险等级; 可燃物管控; 地基激光雷达; 层次分析法

本文引用格式

罗丹 , 王庆飞 , 晁碧霄 , 李乐 , 郝泽周 , 卢渊 , 王成 , 武瑞琛 , 刘飞鹏 , 裴男才 . 广州市森林和城镇交界域林分尺度上的火险等级评价[J]. 林草资源研究, 2023 , 0(3) : 56 -64 . DOI: 10.13466/j.cnki.lyzygl.2023.03.008

Abstract

Forest fire risk assessment is the basis for fire prevention.Sixteen major forest stand types in Wildland-Urban Interface of Guangzhou City were studied,using terrestrial laser scanning data for precise,non-destructive analysis results to obtain forest stand characteristics and structural indicators.The fire risk of different forest stand types was comprehensively evaluated with 11 factors relating to the fire risk of forest stands via the analytic hierarchy process.The results showed that Eucalyptus forest(EF),Cunninghamia lanceolata forest(CLF) and Castanopsis chinensis forest(CCF) were classified as higher fire risk,specifically,EF with fire risk Class IV,CLF and CCF with fire risk Class III.The fire risk of mixed fir and broad forest,Acacia auriculiformis forest,Liquidambar formosana forest,Cinnamomum camphora forest,Schefflera heptaphylla forest,Castanea henryi forest,Machilus chinensis forest,Acacia auriculiformis forest,Elaeocarpus rugosus forest,Acacia confuse forest,Machilus nanmu forest and broadleaf mixed forest decreased in order.Among them,the mixed fir and broad forest had the highest fire risk in the secondary fire risk forest.The fire risk level of Schima superba forest was classified as Class I,with a low fire risk.By analyzing the stand characteristics and structure of medium and high fire risk forest types,targeted combustible material control and modifications were removed to reduce stand combustibility and to improve the efficiency of forest fire prevention.

Key words： wildland-urban interface; forest fire risk class; combustible material control; terrestrial laser scanning; analytic hierarchy process

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