DOI: 10.1016/j.quascirev.2014.06.024
Scopus记录号: 2-s2.0-85027945003
论文题名: To what extent did changes in July temperature influence Lateglacial vegetation patterns in NW Europe?
作者: Birks H.H. ; Birks H.J.B.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2014
卷: 106 起始页码: 262
结束页码: 277
语种: 英语
英文关键词: Chironomid-inferred temperatures
; Macrofossils
; Pollen percentages
; Precipitation
; Temperature patterns
; Vegetation patterns
Scopus关键词: Climate change
; Ecology
; Glacial geology
; Precipitation (chemical)
; Chironomid-inferred temperatures
; Macrofossils
; Pollen percentages
; Temperature patterns
; Vegetation pattern
; Vegetation
; air temperature
; aridity
; biotic factor
; ecotone
; grazing
; late glacial
; palynology
; precipitation (climatology)
; proxy climate record
; temperature effect
; vegetation dynamics
; woodland
; Younger Dryas
; Germany
; Ireland
; Chironomidae
英文摘要: What was the impact of July temperature changes on vegetation patterns during the Lateglacial period in north-west Europe? Chironomid-inferred mean July air temperature estimates (C-Tjul) are proxy temperature records independent of terrestrial vegetation. The relationships between Lateglacial vegetation inferred from pollen percentages and these temperature estimates are explored using data synthesised geographically from 15 sites where both pollen percentages and C-Tjul are published to assess the influence of temperature and of temperature changes on regional vegetation. Direct impacts of temperature on a species involve passing the range limits or realised niche of that species. The Bølling warming allowed vegetation to develop. The Younger Dryas cooling had direct impacts on species and vegetation types that were at a critical ecotone and thus sensitive to change. Precipitation is extremely important and its interaction with temperature controlled most of the vegetation patterns inferred from these NW European pollen data. High precipitation was important in W Norway, whereas aridity in the YD was a controlling factor in N Norway, the Netherlands, and NE Germany. Under constant climate, ecological processes occurred such as immigration, succession, and soil development that resulted in vegetation changes. Biotic interactions were also important, such as the impact of grazing by mega-herbivores during Allerød time in Ireland that may have restricted the development of birch woodland. At the coarse scale of this synthesis, July temperature alone is seen not to be a good predictor of the patterns of pollen percentages and hence of vegetation through the Lateglacial. Rather, it is the interactions of temperature and precipitation, combined with ecological processes that appear to be the major factors influencing Lateglacial palynological and vegetation patterns in NW Europe. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60095
Appears in Collections: 过去全球变化的重建
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作者单位: Department of Biology, University of Bergen, Bjerknes Centre for Climate Research, Postbox 7803, Bergen, Norway; Environmental Change Research Centre, University College London, Gower Street, London, United Kingdom; School of Geography and the Environment, University of Oxford, South Parks Road, Oxford, United Kingdom
Recommended Citation:
Birks H.H.,Birks H.J.B.. To what extent did changes in July temperature influence Lateglacial vegetation patterns in NW Europe?[J]. Quaternary Science Reviews,2014-01-01,106