globalchange  > 气候变化与战略
DOI: 10.1111/ele.13409
论文题名:
Thinner bark increases sensitivity of wetter Amazonian tropical forests to fire
作者: Staver A.C.; Brando P.M.; Barlow J.; Morton D.C.; Paine C.E.T.; Malhi Y.; Araujo Murakami A.; del Aguila Pasquel J.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:1
起始页码: 99
结束页码: 106
语种: 英语
中文关键词: Amazonia ; carbon cycle ; functional traits ; tree mortality ; tropical forest
英文关键词: bark ; carbon cycle ; forest ; sensitivity and specificity ; tree ; Carbon Cycle ; Forests ; Plant Bark ; Sensitivity and Specificity ; Trees
英文摘要: Understory fires represent an accelerating threat to Amazonian tropical forests and can, during drought, affect larger areas than deforestation itself. These fires kill trees at rates varying from < 10 to c. 90% depending on fire intensity, forest disturbance history and tree functional traits. Here, we examine variation in bark thickness across the Amazon. Bark can protect trees from fires, but it is often assumed to be consistently thin across tropical forests. Here, we show that investment in bark varies, with thicker bark in dry forests and thinner in wetter forests. We also show that thinner bark translated into higher fire-driven tree mortality in wetter forests, with between 0.67 and 5.86 gigatonnes CO2 lost in Amazon understory fires between 2001 and 2010. Trait-enabled global vegetation models that explicitly include variation in bark thickness are likely to improve the predictions of fire effects on carbon cycling in tropical forests. © 2019 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166727
Appears in Collections:气候变化与战略

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作者单位: Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06511, United States; Department of Earth System Science, University of California, Irvine, CA 92697, United States; Woods Hole Research Center, Falmouth, MA, United States; Instituto de Pesquisa Ambiental da Amazônia, Brasilia, Brazil; Lancaster Environment Center, University of Lancaster, Lancaster, LA1 4YQ, United Kingdom; Universidade Federal de Lavras, Lavras, 37200-000, Brazil; Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, United States; Ecosystem Management, School of Environmental and Rural Sciences, University of New England, Armidale, NSW 2351, Australia; Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, OX1 3QY, United Kingdom; Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel René Moreno, Santa Cruz, Bolivia; Instituto de Investigaciones de la Amazonia Peruana, Iquitos, Peru

Recommended Citation:
Staver A.C.,Brando P.M.,Barlow J.,et al. Thinner bark increases sensitivity of wetter Amazonian tropical forests to fire[J]. Ecology Letters,2020-01-01,23(1)
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