DOI: 10.1016/j.foreco.2015.01.011
Scopus记录号: 2-s2.0-84945492938
论文题名: Quantifying influences and relative importance of fire weather, topography, and vegetation on fire size and fire severity in a Chinese boreal forest landscape
作者: Fang L. ; Yang J. ; Zu J. ; Li G. ; Zhang J.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2015
卷: 356 起始页码: 2
结束页码: 12
语种: 英语
英文关键词: Canadian fire weather index
; Environmental drivers
; Fire severity
; Fire size
; Great Xing'an Mountains
; Landsat
Scopus关键词: Climate change
; Ecosystems
; Environmental design
; Forestry
; Topography
; Vegetation
; Fire severity
; Fire size
; Fire weather index
; Great Xing'an Mountains
; LANDSAT
; Fires
英文摘要: Fire size and fire severity are two crucial parameters for describing fire regimes that reflect spatial heterogeneities of fire spread behavior and its interaction with the environment. Determining how environmental controls regulate these two metrics of the fire regime is of critical importance for predicting response of fire to climate change and designing strategic fire management plans. Here, we evaluated influences and relative contributions of fire weather, topography, and vegetation on fire size and fire severity in a Chinese boreal forest ecosystem. We also compared how relative contributions vary along a continuous gradient of spatial scales using a moving-window resampling approach. Results showed fire weather was the dominant driving factor for fire size, while vegetation and topography exerted stronger influences on fire severity. Such relative influences on fire size and fire severity possessed different scale dependence. For fire size, small burns (<130. ha) were mainly constrained by vegetation as it accounted for nearly 43% relative importance, but larger burns (>200. ha) were more strongly influenced by extreme fire weather conditions, which accounted for more than 50% relative importance. In contrast, the relative importance of fire weather on fire severity was always less than 20% across the entire range of spatial scales, while relative contributions of vegetation were relatively stable and always greater than 45%. Our study suggests that fuel treatments may have little effect on reducing fire size in boreal forests, but may function to mitigate the severity of future fires. Vegetation type and terrain conditions are important factors to consider for improving efficiency of fuel management. © 2015 Elsevier B.V.. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/65293
Appears in Collections: 影响、适应和脆弱性
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作者单位: State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China; University of Chinese Academy of Sciences, Beijing, China; National Satellite Meteorological Center, Beijing, China; Department of Forestry, University of Kentucky, TP Cooper Building, Lexington, KY, United States
Recommended Citation:
Fang L.,Yang J.,Zu J.,et al. Quantifying influences and relative importance of fire weather, topography, and vegetation on fire size and fire severity in a Chinese boreal forest landscape[J]. Forest Ecology and Management,2015-01-01,356