Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.scitotenv.2015.04.002 |
A synthesis of postfire recovery traits of woody plants in Australian ecosystems | |
Clarke, Peter J.1; Lawes, Michael J.2; Murphy, Brett P.3; Russell-Smith, Jeremy4; Nano, Catherine E. M.5; Bradstock, Ross6; Enright, Neal J.7; Fontaine, Joseph B.7; Gosper, Carl R.8,9; Radford, Ian10; Midgley, Jeremy J.11; Gunton, Richard M.12 | |
通讯作者 | Lawes, Michael J. |
来源期刊 | SCIENCE OF THE TOTAL ENVIRONMENT
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ISSN | 0048-9697 |
EISSN | 1879-1026 |
出版年 | 2015 |
卷号 | 534页码:31-42 |
英文摘要 | Postfire resprouting and recruitment from seed are key plant life-history traits that influence population dynamics, community composition and ecosystem function. Species can have one or both of these mechanisms. They confer resilience, which may determine community composition through differential species persistence after fire. To predict ecosystem level responses to changes in climate and fire conditions, we examined the proportions of these plant fire-adaptive traits among woody growth forms of 2880 taxa, in eight fire-prone ecosystems comprising similar to 87% of Australia’s land area. Shrubs comprised 64% of the taxa. More tree (>84%) than shrub (similar to 50%) taxa resprouted. Basal, epicormic and apical resprouting occurred in 71%, 22% and 3% of the taxa, respectively. Most rainforest taxa (91%) were basal resprouters. Many trees (59%) in frequently-burnt eucalypt forest and savanna resprouted epicormically. Although crown fire killed many mallee (62%) and heathland (48%) taxa, fire-cued seeding was common in these systems. Postfire seeding was uncommon in rainforest and in arid Acacia communities that burnt infrequently at low intensity. Resprouting was positively associated with ecosystem productivity, but resprouting type (e.g. basal or epicormic) was associated with local scale fire activity, especially fire frequency. Although rainforest trees can resprout they cannot recruit after intense fires and may decline under future fires. Semi-arid Acacia communities would be susceptible to increasing fire frequencies because they contain few postfire seeders. Ecosystems dominated by obligate seeders (mallee, heath) are also susceptible because predicted shorter inter-fire intervals will prevent seed bank accumulation. Savanna may be resilient to future fires because of the adaptive advantage of epicormic resprouting among the eucalypts. The substantial non-resprouting shrub component of shrublands may decline, but resilient Eucalyptus spp. will continue to dominate under future fire regimes. These patterns of resprouting and postfire seeding provide new insights to ecosystem assembly, resilience and vulnerability to changing fire regimes on this fire-prone continent. Crown Copyright (C) 2015 Published by Elsevier B.V. All rights reserved. |
英文关键词 | Basal resprouting Crown-fire Ecosystem assembly Epicormic resprouting Fire-cued seeding Persistence niche Plant resilience traits |
类型 | Article |
语种 | 英语 |
国家 | Australia ; South Africa ; England |
收录类别 | SCI-E |
WOS记录号 | WOS:000360290100004 |
WOS关键词 | FIRE PERSISTENCE TRAITS ; CLIMATE-CHANGE ; FUNCTIONAL TYPES ; EVOLUTIONARY ECOLOGY ; VEGETATION STRUCTURE ; NORTHERN AUSTRALIA ; SPROUTING ABILITY ; WESTERN-AUSTRALIA ; EASTERN AUSTRALIA ; PRONE VEGETATION |
WOS类目 | Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | Commonwealth Scientific and Industrial Research Organisation |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/190371 |
作者单位 | 1.Univ New England, Sch Rural Sci & Nat Resources, Bot, Armidale, NSW 2351, Australia; 2.Charles Darwin Univ, Res Inst Environm & Livelihoods, Darwin, NT 0909, Australia; 3.Univ Melbourne, Sch Bot, ERP Environm Decis Hub, Parkville, Vic 3010, Australia; 4.Charles Darwin Univ, Darwin Ctr Bushfire Res, Darwin, NT 0909, Australia; 5.Northern Terr Govt, Arid Zone Res Inst, Dept Land Resource Management, Flora & Fauna Div, Alice Springs, NT 0870, Australia; 6.Univ Wollongong, Ctr Environm Risk Management Bushfires, Wollongong, NSW 2522, Australia; 7.Murdoch Univ, Sch Vet & Life Sci, Perth, WA 6150, Australia; 8.Dept Pk & Wildlife, Sci & Conservat Div, Kensington, WA 6983, Australia; 9.CSIRO Land & Water Flagship, Kensington, WA 6983, Australia; 10.Dept Pk & Wildlife, Sci & Conservat Div, Kununurra, WA 6743, Australia; 11.Univ Cape Town, Dept Biol Sci, ZA-7701 Cape Town, South Africa; 12.Univ Leeds, Sch Biol, Leeds LS2 9JT, W Yorkshire, England |
推荐引用方式 GB/T 7714 | Clarke, Peter J.,Lawes, Michael J.,Murphy, Brett P.,et al. A synthesis of postfire recovery traits of woody plants in Australian ecosystems[J]. Commonwealth Scientific and Industrial Research Organisation,2015,534:31-42. |
APA | Clarke, Peter J..,Lawes, Michael J..,Murphy, Brett P..,Russell-Smith, Jeremy.,Nano, Catherine E. M..,...&Gunton, Richard M..(2015).A synthesis of postfire recovery traits of woody plants in Australian ecosystems.SCIENCE OF THE TOTAL ENVIRONMENT,534,31-42. |
MLA | Clarke, Peter J.,et al."A synthesis of postfire recovery traits of woody plants in Australian ecosystems".SCIENCE OF THE TOTAL ENVIRONMENT 534(2015):31-42. |
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