DOI: 10.1016/j.quascirev.2013.02.005
Scopus记录号: 2-s2.0-84875239238
论文题名: Rapid succession of plant associations on the small ocean island of Mauritius at the onset of the Holocene
作者: De Boer E.J. ; Hooghiemstra H. ; Vincent Florens F.B. ; Baider C. ; Engels S. ; Dakos V. ; Blaauw M. ; Bennett K.D.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2013
卷: 68 起始页码: 114
结束页码: 125
语种: 英语
英文关键词: Climate change
; Indian Ocean
; Island ecology
; Late Quaternary
; Pollen record
; Regime shift
; Species turnover
Scopus关键词: Indian ocean
; Late quaternary
; Pollen record
; Regime shift
; Species turnover
; Biodiversity
; Climate change
; Ecosystems
; Vegetation
; Forestry
; biodiversity
; biome
; climate effect
; climate variation
; crater
; forest ecosystem
; Holocene
; late glacial
; montane forest
; paleoecology
; palynology
; succession
; turnover
; vegetation dynamics
; vegetation history
; Biodiversity
; Ecology
; Forestry
; Plants
; Seasonal Variation
; Mascarene Islands
; Mauritius
英文摘要: The island of Mauritius offers the opportunity to study the poorly understood vegetation response to climate change on a small tropical oceanic island. A high-resolution pollen record from a 10 m long peat core from Kanaka Crater (560 m elevation, Mauritius, Indian Ocean) shows that vegetation shifted from a stable open wet forest Last Glacial state to a stable closed-stratified-tall-forest Holocene state. An ecological threshold was crossed at ~11.5 cal ka BP, propelling the forest ecosystem into an unstable period lasting ~4000 years. The shift between the two steady states involves a cascade of four abrupt (<150 years) forest transitions in which different tree species dominated the vegetation for a quasi-stable period of respectively ~1900, ~1100 and ~900 years. We interpret the first forest transition as climate-driven, reflecting the response of a small low topography oceanic island where significant spatial biome migration is impossible. The three subsequent forest transitions are not evidently linked to climate events, and are suggested to be driven by internal forest dynamics. The cascade of four consecutive events of species turnover occurred at a remarkably fast rate compared to changes during the preceding and following periods, and might therefore be considered as a composite tipping point in the ecosystem. We hypothesize that wet gallery forest, spatially and temporally stabilized by the drainage system, served as a long lasting reservoir of biodiversity and facilitated a rapid exchange of species with the montane forests to allow for a rapid cascade of plant associations. © 2013 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60658
Appears in Collections: 过去全球变化的重建
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作者单位: Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands; Department of Biosciences, University of Mauritius, Réduit, Mauritius; Mauritius Herbarium, Agricultural Services, Ministry of Agro-Industry and Food Security, Réduit, Mauritius; Integrative Ecology Group, Bascompte Lab., Sevilla, Spain; School of Geography Archaeology and Palaeoecology, Queen's University of Belfast, Belfast, United Kingdom; Department of Earth Sciences, Uppsala University, Uppsala, Sweden
Recommended Citation:
De Boer E.J.,Hooghiemstra H.,Vincent Florens F.B.,et al. Rapid succession of plant associations on the small ocean island of Mauritius at the onset of the Holocene[J]. Quaternary Science Reviews,2013-01-01,68