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DOI10.1016/j.foreco.2018.11.039
Increasing trends in high-severity fire in the southwestern USA from 1984 to 2015
Singleton M.P.; Thode A.E.; Sánchez Meador A.J.; Iniguez J.M.
发表日期2019
ISSN0378-1127
起始页码709
结束页码719
卷号433
英文摘要In the last three decades, over 4.1 million hectares have burned in Arizona and New Mexico and the largest fires in documented history have occurred in the past two decades. Changes in burn severity over time, however, have not been well documented in forest and woodland ecosystems in the southwestern US. Using remotely sensed burn severity data from 1621 fires (>404 ha), we assessed trends from 1984 to 2015 in Arizona and New Mexico in (1) number of fires and total area burned in all vegetation types; (2) area burned, area of high-severity, and percent of high-severity fire in all forest and woodland areas; and (3) area burned, area of high-severity, and percent of high-severity in seven different grouped forest and woodland vegetation types (Ecological Response Unit [ERU] Fire Regime Types). Number of fires and area burned increased across the Southwest regardless of vegetation type. The significant increasing trends held for area burned, area of high-severity, and percent of high-severity fire in all forest and woodland ecosystems. Area burned and area burned severely increased in all seven ERU Fire Regime Types while percent of high-severity fire increased in two ERUs: Mixed Conifer Frequent Fire and Mixed Conifer with Aspen/Spruce Fir. Managers must face the implications of increasing, uncharacteristic high-severity fire in many ecosystems as climate change and human pressures continue to affect fire regimes. © 2018 Elsevier B.V.
英文关键词Arizona; Fire effects; Fire severity; MTBS; New Mexico; RdNBR; Remote sensing
语种英语
scopus关键词Climate change; Ecosystems; Forestry; Remote sensing; Vegetation; Arizona; Fire effect; Fire severity; MTBS; New Mexico; RdNBR; Fires; anthropogenic effect; assessment method; climate change; coniferous forest; evergreen forest; fire history; mixed forest; trend analysis; vegetation type; woodland; Arizona; Ecosystems; Forestry; New Mexico; Plants; Remote Sensing; Arizona; New Mexico; United States; Abies; Coniferophyta
来源期刊Forest Ecology and Management
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/156235
作者单位Northern Arizona University, School of Forestry, PO Box 15018, Flagstaff, AZ 86011, United States; USDA Forest Service: Rocky Mountain Research Station, 240 West Prospect Rd, Fort Collins, CO 80526, United States
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Singleton M.P.,Thode A.E.,Sánchez Meador A.J.,et al. Increasing trends in high-severity fire in the southwestern USA from 1984 to 2015[J],2019,433.
APA Singleton M.P.,Thode A.E.,Sánchez Meador A.J.,&Iniguez J.M..(2019).Increasing trends in high-severity fire in the southwestern USA from 1984 to 2015.Forest Ecology and Management,433.
MLA Singleton M.P.,et al."Increasing trends in high-severity fire in the southwestern USA from 1984 to 2015".Forest Ecology and Management 433(2019).
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