DOI: 10.1016/j.foreco.2013.04.035
Scopus记录号: 2-s2.0-84878368766
论文题名: Bird response to fire severity and repeated burning in upland hardwood forest
作者: Greenberg C.H. ; Waldrop T.A. ; Tomcho J. ; Phillips R.J. ; Simon D.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2013
卷: 304 起始页码: 80
结束页码: 88
语种: 英语
英文关键词: Breeding birds
; Burn severity
; Fire surrogate
; Fuel reduction
; Prescribed fire
; Repeated burn
Scopus关键词: Burn Severity
; Fire surrogates
; Fuel reduction
; Prescribed fires
; Repeated burn
; Birds
; Conservation
; Ecosystems
; Fires
; Hardwoods
; Landforms
; Forestry
; avifauna
; breeding population
; canopy architecture
; community response
; fire management
; forest fire
; habitat management
; population density
; prescribed burning
; relative abundance
; snag
; species richness
; wildlife management
; Birds
; Conservation
; Ecosystems
; Fires
; Forestry
; Hardwoods
; Aves
英文摘要: Prescribed burning is a common management tool for upland hardwood forests, with wildlife habitat improvement an often cited goal. Fire management for wildlife conservation requires understanding how species respond to burning at different frequencies, severities, and over time. In an earlier study, we experimentally assessed how breeding bird communities and species responded to fuel reduction treatments by mechanical understory reduction, low-severity prescribed fires, or mechanical understory reduction followed a year later by high-severity prescribed fires in upland hardwood forest. Here, we assess longer-term response to the initial mechanical treatment (M), and a second low-intensity burn in twice burned (B2) and mechanical. +. twice burned (MB2) treatments and controls (C). Initial (2003) higher dead fuel loadings and consequently high-severity fires in MB2 created open-canopy structure with abundant snags, resulting in much higher species richness and density of breeding birds compared to other treatments. Relative bird density and richness remained much higher in MB2 after a second burn, but few changes were evident that were not already apparent after one burn. The initial (2003) burn in B2 had cooler, low-severity fires that killed few trees. Delayed tree mortality occurred in both burn treatments after one burn, and continued in both after a second low-intensity burn. In B2, this resulted in gradual development of a "perforated," patchy canopy structure with more snags. Abundance of total birds and most species in B2 was similar to C, but several additional species associated with open-forest conditions occurred at low levels, increasing richness in B2. In both burn treatments, burning temporarily reduced habitat suitability for ground-nesting birds. Bird communities in M were similar to C, as shrubs recovered rapidly. Results indicate that one or two relatively low-intensity burns with patches of hotter fire may result in gradual, subtle changes to canopy cover and structure that may slightly increase bird species richness over time. In contrast, a single high-intensity, high severity fire can create young forest conditions and a heterogeneous canopy structure that can be maintained by repeated burning and increase breeding bird relative abundance and richness by attracting disturbance-adapted species while retaining most other forest species. © 2013. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66496
Appears in Collections: 影响、适应和脆弱性
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作者单位: USDA Forest Service, Southern Research Station, Bent Creek Experimental Forest, 1577 Brevard Road, Asheville, NC 28806, United States; USDA Forest Service, Southern Research Station, Clemson, SC 29634, United States; North Carolina Wildlife Resources Commission, 78 Wildlife Lane, Burnsville, NC 28714, United States; North Carolina Wildlife Resources Commission, 8676 Will Hudson Road, Lawndale, NC 28090, United States
Recommended Citation:
Greenberg C.H.,Waldrop T.A.,Tomcho J.,et al. Bird response to fire severity and repeated burning in upland hardwood forest[J]. Forest Ecology and Management,2013-01-01,304