Flammability Ranking of Major Species of Trees and Shrubs in Daxing'anling Area of Northeastern China  

作　　者：GUAN Shan MAN Rongzhou DU Jianhua SHAN Yanlong 

机构地区：[1]Beihua University [2]Ontario Ministry of Natural Resources,Ontario Forest Research Institute [3]State Forestry Administration

出　　处：《Chinese Forestry Science and Technology》2012年第4期12-24,共13页中国林业科技（英文版）

基　　金：financially supported by National Natural Science Foundation of China(No.30900189);National Key Technology R&D Program(2011BAD32B05);Projects of Jilin Provincial Sci-tech Department(20100582and20121820);Project of Jilin Provincial Education Department(2009-402);SHAN Yanlong was supported by the Program for New Century Excellent Talents in University

摘　　要：Factor analysis and expert scoring methods were used to rank flammability of 16 major species of trees and shrubs in Daxing'anling area of northeastern China,based on 6 flammability variables,i.e.,air dry moisture content,absolute dry moisture content,ignition point,ash content,heat of combustion and extractive content measured on leaves,barks and twigs.Out of 16 species evaluated,for leaves' flammability,Larix gmelini was the smallest and Pinus sylvestris var.mongolica was the biggest;for barks' flammability,Salix koreensis was the smallest and P.sylvestris var.mongolica was the biggest;and for twigs' flammability,Populus davidiana was the smallest and Ledum palustre var.dilatatum was the biggest.The flammability ranking based on the integrated scores of leaves,barks and twigs suggested that Prunus padus,Betula dahurica,and L.gmelini were the top 3 less flammable species and that L.palustre var.dilatatum,P.sylvestris var.mongolica,and R.simsii were the top 3 more flammable species.This ranking agreed well with current standards and experience and should help the species selection for building fire-break forest belts in the study region.Factor analysis and expert scoring methods were used to rank flammability of 16 major species of trees and shrubs in Daxing’anling area of northeastern China,based on 6 flammability variables,i.e.,air dry moisture content,absolute dry moisture content,ignition point,ash content,heat of combustion and extractive content measured on leaves,barks and twigs.Out of 16 species evaluated,for leaves’ flammability,Larix gmelini was the smallest and Pinus sylvestris var.mongolica was the biggest;for barks’ flammability,Salix koreensis was the smallest and P.sylvestris var.mongolica was the biggest;and for twigs’ flammability,Populus davidiana was the smallest and Ledum palustre var.dilatatum was the biggest.The flammability ranking based on the integrated scores of leaves,barks and twigs suggested that Prunus padus,Betula dahurica,and L.gmelini were the top 3 less flammable species and that L.palustre var.dilatatum,P.sylvestris var.mongolica,and R.simsii were the top 3 more flammable species.This ranking agreed well with current standards and experience and should help the species selection for building fire-break forest belts in the study region.

关 键 词：BOREAL plants fire-break fuel-breaks barks LEAVES TWIGS 

分 类 号：S7[农业科学—林学]