Title: A multi-proxy Late-glacial palaeoenvironmental record from Lake Bled, Slovenia
Authors: Andric, Maja ×
Massaferro, Julieta
Eicher, Ueli
Ammann, Brigitta
Leuenberger, Markus Christian
Martincic, Andrej
Marinova, Elena
Brancelj, Anton #
Issue Date: Sep-2009
Publisher: Springer
Series Title: Hydrobiologia vol:631 issue:1 pages:121-141
Abstract: This study investigates the palaeoecological record (delta O-18, delta C-13, pollen, plant macrofossils, chironomids and cladocera) at Lake Bled (Slovenia) sedimentary core to better understand the response of terrestrial and aquatic ecosystems to Late-glacial climatic fluctuations. The multi-proxy record suggests that in the Oldest Dryas, the landscape around Lake Bled was rather open, presumably because of the cold and dry climate, with a trend towards wetter conditions, as suggested by an increase in tree pollen as well as chironomid and cladocera faunas typical for well-oxygenated water. Climatic warming at the beginning of the Late-glacial Interstadial at ca. 14,800 cal yr BP is suggested by an increase in the delta O-18 value, the appearance of Betula and Larix pollen and macrofossils, and a warmth-adapted chironomid fauna. With further warming at ca. 13,800 cal yr BP, broad-leaved tree taxa (Quercus, Tilia, Ulmus), Artemisia, and Picea increase, whereas chironomid data (Cricotopus B) suggest lowering of lake levels. After 12,800 cal yr BP (and throughout the Younger Dryas), the climate was colder and drier, as indicated by lower delta O-18 values, decline of trees, increase of microscopic charcoal, xerophytes and littoral chironomids. A warmer climate, together with the spread of broad-leaved tree taxa and a deeper, more productive lake, mark the onset of the Late-glacial/Holocene transition. These results suggest that terrestrial and aquatic ecosystems at Lake Bled were very dynamic and sensitive to Late-glacial climatic fluctuations.
ISSN: 0018-8158
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory for Animal Biodiversity and Systematics (-)
× corresponding author
# (joint) last author

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