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The lateglacial vegetation and radiocarbon dating of lake Trilistnika, Rila Mountains (Bulgaria)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Ion Physics.
2006 (English)In: Vegetation History and Archaeobotany, ISSN 0939-6314, E-ISSN 1617-6278, Vol. 16, no 1, 15-22 p.Article in journal (Refereed) Published
Abstract [en]

Pollen analysis, supplemented by 5 C-14 dates, was carried out on the lateglacial section (160 cm) of a core retrieved from the glacial Lake Trilistnika (2216 m) in the northwestern Rila Mountains (Bulgaria). The reconstruction of the lateglacial vegetation history is linked for the first time to a chronological framework for the time window 13000-10000 B.P. The delimitation of an interstadial/stadial cycle, analogous with the Bolling/Allerpd-Younger Dryas from Western Europe, is based on important changes in the pollen stratigraphy. Mountain-steppe vegetation composed of Artemisia, Chenopodiaceae, Poaceae and other cold-resistant herbs, with isolated stands of Pinus and Juniperus-Ephedra shrubland, dominated the landscape after the ice-retreat. Interstadial conditions were established before 12815 +/- 130 B.P. The spread of tree vegetation at lower elevation as a response to the climate improvement was confined to the time interval 12110 +/- 95-11140 +/- 75 B.P. The Younger Dryas stadial is characterised by a re-advance of the mountain-steppe vegetation. The results are compared with other sites of lateglacial age from the high mountains (Rila, northern Pirin, western Rhodopes) in southern Bulgaria.

Place, publisher, year, edition, pages
2006. Vol. 16, no 1, 15-22 p.
Keyword [en]
pollen, lateglacial vegetation, radiocarbon dating, Lake Trilistnika, Rila Mountains, Bulgaria
National Category
Earth and Related Environmental Sciences Engineering and Technology
URN: urn:nbn:se:uu:diva-25901DOI: 10.1007/s00334-006-0041-2ISI: 000241401300002OAI: oai:DiVA.org:uu-25901DiVA: diva2:53675
Available from: 2007-02-14 Created: 2007-02-14 Last updated: 2016-07-12Bibliographically approved

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Possnert, Göran
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Ion Physics
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