globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2013.11.009
论文题名:
Responses to rapid warming at termination 1a at gerzensee (central Europe): Primary succession, albedo, soils, lake development, and ecological interactions
作者: Ammann B.; van Raden U.J.; Schwander J.; Eicher U.; Gilli A.; Bernasconi S.M.; van Leeuwen J.F.N.; Lischke H.; Brooks S.J.; Heiri O.; Nováková K.; van Hardenbroek M.; von Grafenstein U.; Belmecheri S.; van der Knaap W.O.; Magny M.; Eugster W.; Colombaroli D.; Nielsen E.; Tinner W.; Wright H.E.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2013
卷: 391
起始页码: 111
结束页码: 131
语种: 英语
英文摘要: The transition from the Oldest Dryas to the Bølling around 14,685calyr BP was a period of extremely rapid climatic warming. From a single core of lake marl taken at Gerzensee (Switzerland) we studied the transition in stable isotopes of oxygen and carbon on bulk sediment and charophyte remains, as well as on monospecific samples of ostracods, after Pisidium a; in addition pollen, chironomids, and Cladocera were analyzed. The δ18O record serves as an estimate of mean air temperature, and by correlation to the one from NGRIP in Greenland it provides a timescale.The timing of responses: The statistically significant zone boundaries of the biostratigraphies are telescoped at the rapid increase of about 3‰ in δ18O at the onset of Bølling. Biotic responses may have occurred within sampling resolution (8 to 16years), although younger zone boundaries are less synchronous. Gradual and longer-lasting responses include complex processes such as primary or secular succession. During the late-glacial interstadial of Bølling and Allerød, two stronger and two weaker cool phases were found.Biological processes involved in the responses occurred on levels of individuals (e.g. pollen productivity), of populations (increases or decreases, immigration, or extinction), and on the ecosystem level (species interactions such as facilitation or competition).Abiotic and biotic interactions include pedogenesis, nitrogen-fixation, nutrient cycling, catchment hydrology, water chemistry of the lake and albedo (controlled by the transition from tundra to forest).For the Swiss Plateau this major change in vegetation induced a change in the mammal fauna, which in turn led to changes in the tool-making by Paleolithic people. © 2013 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69583
Appears in Collections:过去全球变化的重建

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作者单位: Institute of Plant Sciences and Oeschger Centre for Climate Change Research, University of Bern, Switzerland; Geological Institute, ETH Zürich, Sonneggstrasse 5, 8092 Zürich, Switzerland; University of Bern, Physics Institute, Switzerland; Swiss Federal Research Institute WSL, Zürichstrasse 111, CH-8903 Birmensdorf, Switzerland; Department of Entomology, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom; University of South Bohemia, Department of Botany, Branišovská 31, 370 05 České Budějovice, Czech Republic; Geography and Environment, University of Southampton, University Road, Southampton SO17 1BJ, United Kingdom; Laboratoire des Sciences du Climat et de l'Environnement, CNRS, CEA, UVSQ, Gif-sur-Yvette, France; Institut de Paléontologie Humaine, Muséum National d'Histoires Naturelles, 1, Rue Panhard, Paris 75013, France; Laboratoire de Chrono-Ecologie, Faculté des Sciences et Techniques, 16 route de Gray, 25 030 Besançon, France; ETH Zurich, Institute of Plant Sciences, LFW C55.2, Universitaetsstrasse 2, CH-8092 Zurich, Switzerland; Archaeological Survey Kanton Luzern, Libellenrain 15, 6002 Luzern, Switzerland; Limnological Research Center, Dept. of Geology and Geophysics, University of Minnesota, Minneapolis, MN 55455, United States

Recommended Citation:
Ammann B.,van Raden U.J.,Schwander J.,et al. Responses to rapid warming at termination 1a at gerzensee (central Europe): Primary succession, albedo, soils, lake development, and ecological interactions[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2013-01-01,391
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