globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2012.10.032
Scopus记录号: 2-s2.0-84870197805
论文题名:
Managing multiple species or communities? Considering variation in plant species abundances in response to fire interval, frequency and time since fire in a heathy Eucalyptus woodland
作者: Duff T.J.; Bell T.L.; York A.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2013
卷: 289
起始页码: 393
结束页码: 403
语种: 英语
英文关键词: Fire ecology ; Generalised additive model ; Key fire response species ; Plant functional types ; Quantitative ecology ; Vital attributes
Scopus关键词: Additive models ; Fire ecology ; Key fire response species ; Plant functional type ; Vital attributes ; Ecology ; Forestry ; Fires ; abundance ; burning ; community response ; diversity index ; evergreen forest ; fire behavior ; fire history ; forest fire ; functional group ; Mediterranean environment ; ordination ; plant community ; quantitative analysis ; species diversity ; species richness ; woodland ; Eucalyptus
英文摘要: With the prospect of altered levels of fire in mediterranean-type environments due to changing climatic conditions, managers are faced with the need to regulate fire with an incomplete knowledge of the ecological outcomes of their actions. Burning intervals for natural vegetation are often determined by using methods which provide an indication of 'appropriate' intervals based on the tolerances of key fire response species. The research presented here is an investigation into variation in species abundance in response to fire frequency, interval and time since fire. An ordination of species composition constrained by the corresponding fire history matrix revealed limited response at a community level. However, when species were considered individually using quantitative models, over half of the species responded significantly to at least one of the assessed components of fire regime. Species richness exhibited little variation; however there was change in species diversity (Shannon H) in response to time since fire. Quantitative models showed a range of species responses to fire, indicating that any given regime will favour some species at the cost of others. This study demonstrated that while current techniques provide guidance on tolerable fire intervals, such an approach is not necessarily ideal for all species. The determination of ecologically meaningful fire regimes may be better served when the changing abundances of species of interest are also taken into account. © 2012 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/66822
Appears in Collections:影响、适应和脆弱性

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作者单位: Forest and Fire Ecology Group, Department of Forest and Ecosystem Science, The University of Melbourne, Creswick 3363, Australia; Faculty of Agriculture, Food and Natural Resources, University of Sydney, Redfern, 2015 NSW, Australia

Recommended Citation:
Duff T.J.,Bell T.L.,York A.. Managing multiple species or communities? Considering variation in plant species abundances in response to fire interval, frequency and time since fire in a heathy Eucalyptus woodland[J]. Forest Ecology and Management,2013-01-01,289
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