globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2016.11.034
Scopus记录号: 2-s2.0-85001949429
论文题名:
Unveiling exceptional Baltic bog ecohydrology, autogenic succession and climate change during the last 2000 years in CE Europe using replicate cores, multi-proxy data and functional traits of testate amoebae
作者: Gałka M.; Tobolski K.; Lamentowicz Ł.; Ersek V.; Jassey V.E.J.; van der Knaap W.O.; Lamentowicz M.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2017
卷: 156
起始页码: 90
结束页码: 106
语种: 英语
英文关键词: Climate change ; Holocene ; Palaeohydrology ; Peatland ; Plant macrofossils ; Pollen ; Sphagnum succession ; Testate amoebae
Scopus关键词: Groundwater ; Hydrology ; Landforms ; Peat ; Plants (botany) ; Protozoa ; Wetlands ; Holocenes ; Palaeohydrology ; Peatland ; Plant macrofossils ; Pollen ; Sphagnum succession ; Testate amoebae ; Climate change ; climate forcing ; climate variation ; ecohydrology ; fossil record ; functional role ; Holocene ; hydrodynamics ; mire ; moss ; paleoecology ; paleohydrology ; peatland ; plant community ; pollen ; protist ; proxy climate record ; raised bog ; reconstruction ; regional climate ; succession ; transfer function ; water table ; Finland ; Kontolanrahka ; Poland [Central Europe] ; Varsinais-Suomi ; Sphagnum
英文摘要: We present the results of high-resolution, multi-proxy palaeoecological investigations of two parallel peat cores from the Baltic raised bog Mechacz Wielki in NE Poland. We aim to evaluate the role of regional climate and autogenic processes of the raised bog itself in driving the vegetation and hydrology dynamics. Based on partly synchronous changes in Sphagnum communities in the two study cores we suggest that extrinsic factors (climate) played an important role as a driver in mire development during the bog stage (500–2012 CE). Using a testate amoebae transfer function, we found exceptionally stable hydrological conditions during the last 2000 years with a relatively high water table and lack of local fire events that allowed for rapid peat accumulation (2.75 mm/year) in the bog. Further, the strong correlation between pH and community-weighted mean of testate amoeba traits suggests that other variables than water-table depth play a role in driving microbial properties under stable hydrological conditions. There is a difference in hydrological dynamics in bogs between NW and NE Poland until ca 1500 CE, after which the water table reconstructions show more similarities. Our results illustrate how various functional traits relate to different environmental variables in a range of trophic and hydrological scenarios on long time scales. Moreover, our data suggest a common regional climatic forcing in Mechacz Wielki, Gązwa and Kontolanrahka. Though it may still be too early to attempt a regional summary of wetness change in the southern Baltic region, this study is a next step to better understand the long-term peatland palaeohydrology in NE Europe. © 2016 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59347
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作者单位: Department of Biogeography and Palaeoecology, Faculty of Geographical and Geological Sciences, Adam Mickiewicz University in Poznań, B. Krygowskiego 10, Poznań, Poland; Faculty of Biology, Adam Mickiewicz University, Umultowska 89, Poznań, Poland; Department of Geography, Northumbria University, Newcastle upon Tyne, United Kingdom; Swiss Federal Research Institute-WSL, Community Ecology Research Unit, Station 2, Lausanne, Switzerland; École Polytechnique Fédérale de Lausanne (EPFL), School of Architecture, Civil and Environmental, Engineering (ENAC), Laboratory of Ecological Systems (ECOS), Station 2, Lausanne, Switzerland; Institute of Plant Sciences and Oeschger Centre for Climate Change Research, University of Bern, Altenbergrain 21, Bern, Switzerland; Laboratory of Wetland Ecology and Monitoring, Faculty of Geographical and Geological Sciences, Adam Mickiewicz University, B. Krygowskiego 10, Poznań, Poland

Recommended Citation:
Gałka M.,Tobolski K.,Lamentowicz Ł.,et al. Unveiling exceptional Baltic bog ecohydrology, autogenic succession and climate change during the last 2000 years in CE Europe using replicate cores, multi-proxy data and functional traits of testate amoebae[J]. Quaternary Science Reviews,2017-01-01,156
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