气候变化领域集成服务门户(CCPortal): Local forest structure variability increases resilience to wildfire in dry western U.S. coniferous forests

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DOI	10.1111/ele.13447
	Local forest structure variability increases resilience to wildfire in dry western U.S. coniferous forests
	Koontz M.J.; North M.P.; Werner C.M.; Fick S.E.; Latimer A.M.
发表日期	2020
ISSN	1461023X
卷号	23 期号:3
英文摘要	A ‘resilient’ forest endures disturbance and is likely to persist. Resilience to wildfire may arise from feedback between fire behaviour and forest structure in dry forest systems. Frequent fire creates fine-scale variability in forest structure, which may then interrupt fuel continuity and prevent future fires from killing overstorey trees. Testing the generality and scale of this phenomenon is challenging for vast, long-lived forest ecosystems. We quantify forest structural variability and fire severity across >30 years and >1000 wildfires in California's Sierra Nevada. We find that greater variability in forest structure increases resilience by reducing rates of fire-induced tree mortality and that the scale of this effect is local, manifesting at the smallest spatial extent of forest structure tested (90 × 90 m). Resilience of these forests is likely compromised by structural homogenisation from a century of fire suppression, but could be restored with management that increases forest structural variability. © 2020 John Wiley & Sons Ltd/CNRS
英文关键词	disturbance; forest; forest structure; resilience; severity; Sierra Nevada; texture analysis; wildfire
语种	英语
scopus关键词	California; ecosystem; fire; forest; tree; vascular plant; wildfire; California; Ecosystem; Fires; Forests; Tracheophyta; Trees; Wildfires
来源期刊	Ecology Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/120927
作者单位	Graduate Group in Ecology, University of California, Davis, CA, United States; Department of Plant Sciences, University of California, Davis, CA, United States; Earth Lab, University of Colorado-Boulder, Boulder, CO, United States; Pacific Southwest Research Station, USDA Forest Service, Mammoth Lakes, CA, United States; Center for Population Biology, University of California, Davis, CA, United States; German Centre for Integrative Biodiversity Research, Halle-Jena-Leipzig, Germany; US Geological Survey, Southwest Biological Science Center, Moab, UT, United States; Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, United States
推荐引用方式 GB/T 7714	Koontz M.J.,North M.P.,Werner C.M.,et al. Local forest structure variability increases resilience to wildfire in dry western U.S. coniferous forests[J],2020,23(3).
APA	Koontz M.J.,North M.P.,Werner C.M.,Fick S.E.,&Latimer A.M..(2020).Local forest structure variability increases resilience to wildfire in dry western U.S. coniferous forests.Ecology Letters,23(3).
MLA	Koontz M.J.,et al."Local forest structure variability increases resilience to wildfire in dry western U.S. coniferous forests".Ecology Letters 23.3(2020).