globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2016.11.011
Scopus记录号: 2-s2.0-84999751825
论文题名:
Surface fuels in recent Phytophthora ramorum created gaps and adjacent intact Quercus agrifolia forests, East Bay Regional Parks, California, USA
作者: Shaw D.C.; Woolley T.; Kelsey R.G.; McPherson B.A.; Westlind D.; Wood D.L.; Peterson E.K.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2017
卷: 384
起始页码: 331
结束页码: 338
语种: 英语
英文关键词: California ; Coast live oak ; Phytophthora ramorum ; Sudden oak death ; Surface fuels
Scopus关键词: Fuels ; Ladders ; Vegetation ; Wood fuels ; California ; Live oak ; Phytophthora ramorum ; Sudden oak death ; Surface fuels ; Forestry ; basal area ; deciduous forest ; deciduous tree ; fire behavior ; fungal disease ; gap dynamics ; mortality ; vegetation structure ; California ; California ; Oregon ; San Francisco Bay ; United States ; Phytophthora ramorum ; Quercus agrifolia
英文摘要: Phytophthora ramorum, cause of “sudden oak death” or SOD, has had significant impacts on composition and structure in coastal forests of central and northern coastal California and southwestern Oregon. Despite the proximity of susceptible coast live oak (Quercus agrifolia) forests to densely populated urban areas, the impacts of SOD on their fuels have not been studied. We sampled surface fuels and vegetation structure in 16 plots in both SOD-caused gaps and intact stands (32 plots total) across two parks in the East Bay Regional Park District, east of San Francisco Bay. Plots were selected from a set of randomly placed pre-existing locations used in determining the disease distribution and intensity across the park system. Among the vegetation characteristics examined, only coast live oak basal area and live and dead tree density, canopy cover and maximum forb height differed between SOD created gap plots and adjacent intact forest plots. However, surface fuels such as vegetation cover, litter cover, wood cover, duff depth, fuels height, ladder fuels abundance, 1 h, 10 h, 100 h, and 1000 h fuels were greater in gap plots than intact forest plots. Although no fire behavior models were run, surface fuels suggest SOD created gaps may facilitate passive crown fire due to increased ladder and other fuels. This study represents a spatially explicit (gap focused) point-in-time estimate of surface fuels that will continue to change through time as disease progresses through these stands causing vegetation changes as fuels accumulate and decompose. © 2016 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64568
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Forest Engineering, Resources and Management, Oregon State University, Corvallis, OR, United States; USDA Forest Service, Pacific Northwest Research Station, Corvallis, OR, United States; Department of Environmental Science, Policy, and Management, University of California, Berkeley, CA, United States; Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, United States

Recommended Citation:
Shaw D.C.,Woolley T.,Kelsey R.G.,et al. Surface fuels in recent Phytophthora ramorum created gaps and adjacent intact Quercus agrifolia forests, East Bay Regional Parks, California, USA[J]. Forest Ecology and Management,2017-01-01,384
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