globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2014.09.015
Scopus记录号: 2-s2.0-84920872237
论文题名:
Vegetation and environmental responses to climate forcing during the Last Glacial Maximum and deglaciation in the East Carpathians: Attenuated response to maximum cooling and increased biomass burning
作者: Magyari E.K.; Veres D.; Wennrich V.; Wagner B.; Braun M.; Jakab G.; Karátson D.; Pál Z.; Ferenczy G.; St-Onge G.; Rethemeyer J.; Francois J.-P.; von Reumont F.; Schäbitz F.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2014
卷: 106
起始页码: 278
结束页码: 298
语种: 英语
英文关键词: Biomass burning ; Boreal and temperate tree refugia ; Grass steppe ; LGM ; Magnetic susceptibility ; Pollen ; Romania ; XRF
Scopus关键词: Biomass ; Forestry ; Glacial geology ; Landforms ; Magnetic susceptibility ; Plants (botany) ; Population statistics ; Biomass-burning ; Grass steppe ; LGM ; Pollen ; Romania ; Temperate trees ; XRF ; Vegetation ; biomass ; climate forcing ; deciduous tree ; deglaciation ; environmental response ; floristics ; foreland basin ; forest-steppe ; lacustrine environment ; Last Glacial Maximum ; new record ; palynology ; persistence ; population genetics ; shrubland ; vegetation dynamics ; Biomass ; Central Europe ; Combustion ; Forests ; Pinus Sylvestris ; Plants ; Sedimentation ; East Carpathians Biosphere Reserve ; Anna ; Betula ; Betula nana ; Betula pubescens ; Corylus avellana ; Fagus sylvatica ; Fraxinus excelsior ; Juniperus ; Larix decidua ; Picea ; Pinus sylvestris ; Populus ; Salix
英文摘要: The Carpathian Mountains were one of the main mountain reserves of the boreal and cool temperate flora during the Last Glacial Maximum (LGM) in East-Central Europe. Previous studies demonstrated Lateglacial vegetation dynamics in this area; however, our knowledge on the LGM vegetation composition is very limited due to the scarcity of suitable sedimentary archives. Here we present a new record of vegetation, fire and lacustrine sedimentation from the youngest volcanic crater of the Carpathians (Lake St Anne, Lacul Sfânta Ana, Szent-Anna-tó) to examine environmental change in this region during the LGM and the subsequent deglaciation. Our record indicates the persistence of boreal forest steppe vegetation (with Pinus, Betula, Salix, Populus and Picea) in the foreland and low mountain zone of the East Carpathians and Juniperus shrubland at higher elevation. We demonstrate attenuated response of the regional vegetation to maximum global cooling. Between ~22,870 and 19,150calyr BP we find increased regional biomass burning that is antagonistic with the global trend. Increased regional fire activity suggests extreme continentality likely with relatively warm and dry summers. We also demonstrate xerophytic steppe expansion directly after the LGM, from ~19,150calyr BP, and regional increase in boreal woodland cover with Pinus and Betula from 16,300calyr BP. Plant macrofossils indicate local (950ma.s.l.) establishment of Betula nana and Betula pubescens at 15,150calyr BP, Pinus sylvestris at 14,700calyr BP and Larix decidua at 12,870calyr BP. Pollen data furthermore support population genetic inferences regarding the regional presence of some temperate deciduous trees during the LGM (Fagus sylvatica, Corylus avellana, Fraxinus excelsior). Our sedimentological data also demonstrate intensified aeolian dust accumulation between 26,000 and 20,000calyr BP. © 2014 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60103
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作者单位: MTA-MTM-ELTE Research Group for Paleontology, Eötvös University, Pázmány Péter stny. 1/C, Budapest, Hungary; Institute of Speleology, Romanian Academy, Clinicilor 5, Cluj-Napoca, Romania; Institute of Geology and Mineralogy, University of Cologne, 6Zülpicher Str. 49a, Cologne, Germany; Hertelendi Laboratory of Environmental Studies, Institute of Nuclear Research of the Hungarian Academy of Sciences, P. O. Box 51, Debrecen, Hungary; Institute of Environmental Sciences, Szent István University, Szabadság út 1-3, Szarvas, Hungary; Eötvös University, Department of Physical Geography, Pázmány s. 1/C, Budapest, Hungary; Department of Physical Geography in Hungarian Language, Faculty of Geography, Babes Bolyai University of Cluj, Str. Clincilor No. 5-7, Cluj-Napoca, Romania; GEOTOP-UQAM, Montreal, QC, Canada; Seminar of Geography and Education, University of Cologne, Gronewaldstr. 2, Cologne, Germany

Recommended Citation:
Magyari E.K.,Veres D.,Wennrich V.,et al. Vegetation and environmental responses to climate forcing during the Last Glacial Maximum and deglaciation in the East Carpathians: Attenuated response to maximum cooling and increased biomass burning[J]. Quaternary Science Reviews,2014-01-01,106
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