DOI: 10.1016/j.foreco.2012.09.029
Scopus记录号: 2-s2.0-84870209153
论文题名: Tree mortality patterns following prescribed fire for Pinus and Abies across the southwestern United States
作者: van Mantgem P.J. ; Nesmith J.C.B. ; Keifer M. ; Brooks M.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2013
卷: 289 起始页码: 463
结束页码: 469
语种: 英语
英文关键词: Conifer mortality
; Fire effects
; Fire injury
; Mortality model
Scopus关键词: Bark thickness
; Conifer mortality
; Fire effect
; High rate
; High severity fires
; Model classification
; Monitoring programs
; Mortality model
; Mortality patterns
; Mortality rate
; Post-fire
; Prescribed fires
; Statistically significant difference
; Tree mortality
; Understory fuels
; Unintended consequences
; Fire resistance
; Forestry
; Population statistics
; Software testing
; Fires
; coexistence
; coniferous forest
; forest fire
; injury
; mortality
; prescribed burning
; understory
; Biological Populations
; Fire Resistance
; Forest Fires
; Mortality
; Picea Abies
; Softwoods
; United States
; Abies
; Coniferophyta
英文摘要: The reintroduction of fire to historically fire-prone forests has been repeatedly shown to reduce understory fuels and promote resistance to high severity fire. However, there is concern that prescribed fire may also have unintended consequences, such as high rates of mortality for large trees and fire-tolerant Pinus species. To test this possibility we evaluated mortality patterns for two common genera in the western US, Pinus and Abies, using observations from a national-scale prescribed fire effects monitoring program. Our results show that mortality rates of trees >50 DBH were similar for Pinus (4.6% yr-1) and Abies (4.0% yr-1) 5years following prescribed fires across seven sites in the southwestern US. In contrast, mortality rates of trees ≤50cm DBH differed between Pinus (5.7% yr-1) and Abies (9.0% yr-1). Models of post-fire mortality probabilities suggested statistically significant differences between the genera (after including differences in bark thickness), but accounting for these differences resulted in only small improvements in model classification. Our results do not suggest unusually high post-fire mortality for large trees or for Pinus relative to the other common co-occurring genus, Abies, following prescribed fire in the southwestern US. © 2012. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66832
Appears in Collections: 影响、适应和脆弱性
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作者单位: U.S. Geological Survey, Western Ecological Research Center, Redwood Field Station, 1655 Heindon Road, Arcata, CA 95521, United States; National Park Service, Fire Management Program Center, 3833 S Development Ave., Boise, ID 83705, United States; U.S. Geological Survey, Western Ecological Research Center, Yosemite Field Station, 5083 Foresta Road, Box 700, El Portal, CA 95318, United States; Sierra Nevada Network, Sequoia and Kings Canyon National Parks, 47050 Generals Highway, Three Rivers, CA 93271, United States
Recommended Citation:
van Mantgem P.J.,Nesmith J.C.B.,Keifer M.,et al. Tree mortality patterns following prescribed fire for Pinus and Abies across the southwestern United States[J]. Forest Ecology and Management,2013-01-01,289