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Past environment and climate changes at the last interglacial/glacial transition (Les Echets, France) inferred from subfossil chironomids (Insecta)
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2007 (English)In: Comptes rendus Geoscience, ISSN 1631-0713, Vol. 339, no 5, 337-346 p.Article in journal (Refereed) Published
Abstract [en]

Subfossil chironomid assemblages spanning the last Interglacial/Glacial transition at Les Echets (France) highlight the environmental and climatic changes that took place at this crucial period. The Early Eemian warming is marked by increased percentages of warm water taxa and decreased percentages of coldwater taxa. In the Middle Eemian, a lowering in water level is indicated by a rise of littoral taxa. In the Late Eemian, chironomids indicate anoxic deep waters and rise of water level, probably induced by increased rainfall. Melisey I and II and the beginning of the glacial period are marked by the reappearance of coldwater taxa, lower percentages of warmwater taxa, and dominance of littoral taxa, probably correlated with lower water level and climate aridity. St Germain I and II are marked by higher percentages of warmwater taxa, lower percentages, or absence of both coldwater and littoral taxa.

Place, publisher, year, edition, pages
2007. Vol. 339, no 5, 337-346 p.
Keyword [en]
Western Europe, France, middle Pleistocene, Phanerozoic, Cenozoic, Quaternary, Pleistocene, upper Pleistocene, Invertebrata, Arthropoda, Mandibulata, biozones, Ain France, Riss, Wurm, depth, evolution, pollen diagrams, climate cooling, paleolimnology, lake level, changes of level, taxonomy, atmospheric precipitation, upper Quaternary, paleoenvironment, climate modification, Europe, lakes, aridity, interglacial periods, glacial periods, climate warming, Eemian, Insecta, paleoclimate
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:su:diva-56263DOI: 10.1016/j.crte.2007.03.002ISI: 000247134400005OAI: diva2:411074
authorCount :12Available from: 2011-04-15 Created: 2011-04-12 Last updated: 2011-04-15Bibliographically approved

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