globalchange  > 全球变化的国际研究计划
DOI: 10.1016/j.scitotenv.2019.04.348
WOS记录号: WOS:000468191200007
论文题名:
Adapting prescribed burns to future climate change in Mediterranean landscapes
作者: Duane, Andrea1,2; Aquilue, Nuria1,3; Canelles, Quim1,2; Moran-Ordonez, Alejandra1,2; De Caceres, Miguel1,2; Brotons, Lluis1,2,4
通讯作者: Duane, Andrea
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN: 0048-9697
EISSN: 1879-1026
出版年: 2019
卷: 677, 页码:68-83
语种: 英语
英文关键词: Climate change ; Fire management ; Fire regime ; Landscape fire-succession model ; Novel climates ; Prescribed burning
WOS关键词: WILDLAND FIRE MANAGEMENT ; SOUTHERN-CALIFORNIA ; SPREAD PATTERNS ; FUEL TREATMENT ; FOREST-FIRES ; MEGA-FIRES ; REGIME ; SCENARIOS ; BASIN ; RISK
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

Fire regimes are shifting or are expected to do so under global change. Current fire suppression is not able to control all wildfires, and its capability to do so might be compromised under harsher climate conditions. Alternative fire management strategies may allow to counteract predicted fire trends, but we lack quantitative tools to evaluate their potential effectiveness at the landscape scale. Here, we sought to quantify changes in fire regimes induced after the implementation of different fire management strategies. We developed and applied a new version of the model MEDFIRE in Catalonia (Mediterranean region of similar to 32,000 km(2) in NE Spain). We first projected burnt area from 2016 to 2100 resulting from climate change under the Representative Concentration Pathway 8.5 scenario of HadGEM-CC model and under current fire suppression levels. We then evaluated the impacts of four fire management strategies: 'Let it burn', fixed effort of prescribed burning with two different spatial allocations, and adaptive prescribed burning dynamically adjusting efforts according to recent past fires. Results predicted the emergence of novel climates associated with similar barometric configurations to current conditions but with higher temperatures (i.e. hot wind events). These novel climates led to an increase in burnt area, which was partially counteracted by negative fire-vegetation feedbacks. All prescribed burning scenarios decreased the amount of high-intensity fires and extreme fire events. The 'Let it burn' strategy, although less costly, was not able to reduce the extent of high-intensity fires. The adaptive prescribed burning scenario resulted in the most cost-efficient strategy. Our results provide quantitative evidence of fire management effectiveness and bring to light key insights that could guide the design of tire policies fit for future novel climate conditions. We propose adaptive landscape management focused on the reduction of fire negative impacts rather than on the elimination of this disturbance from the system. (C) 2010 Elsevier B.V. All rights reserved.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/145332
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Forest Sci Ctr Catalonia InForest CTFC CREAF, Carretera Vella St Llorenc de Morunys Km 2, Solsona 25280, Lleida, Spain
2.Autonomous Univ Barcelona, CREAF, Edifici C, E-08193 Barcelona, Spain
3.Univ Quebec Montreal, CFR, CP 8888,Succ Ctr Ville, Montreal, PQ H3C 3P8, Canada
4.CSIC, Cerdanyola Del Valles 08193, Spain

Recommended Citation:
Duane, Andrea,Aquilue, Nuria,Canelles, Quim,et al. Adapting prescribed burns to future climate change in Mediterranean landscapes[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019-01-01,677:68-83
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