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Lateglacial to Holocene vegetation development in the Central Rila Mountains, Bulgaria
Sofia Univ St Kliment Ohridski, Dept Bot, Fac Biol, Palynol Lab, Sofia 1164, Bulgaria..
Sofia Univ St Kliment Ohridski, Dept Bot, Fac Biol, Palynol Lab, Sofia 1164, Bulgaria..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy. Uppsala University, Disciplinary Domain of Science and Technology, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, Tandem Laboratory.
2016 (English)In: The Holocene, ISSN 0959-6836, E-ISSN 1477-0911, Vol. 26, no 1, 17-28 p.Article in journal (Refereed) PublishedText
Abstract [en]

The vegetation history of the Central Rila Mountains for the last 14,000years was reconstructed by means of pollen analysis and radiocarbon chronology of a core retrieved from Lake Manastirsko-2 (2326m). The Lateglacial landscape was dominated by open herb vegetation composed of Artemisia, Chenopodiaceae, Poaceae, and other cold-resistant herbs (14,000-11,700 cal. yr BP). Stands of Pinus, Betula, and Juniperus-Ephedra shrubland partly enlarged during the Lateglacial interstadial. Pioneer forests of Betula with Pinus and Juniperus occupied barren soils in the early Holocene (11,700-7900 cal. yr BP), while mixed oak forests with Tilia, Ulmus, Acer, and later on Corylus spread at lower elevations. A coniferous forest belt with Pinus sylvestris, Pinus peuce, and Abies developed after 7900 cal. yr BP in the conditions of milder winters, cooler summers, and increase in precipitation. The late Holocene dynamic vegetation changes were associated with the invasion of Picea abies after 3400 cal. yr BP, while Fagus communities slightly enlarged in the river valleys. Indications of human activities are visible in the pollen diagram since the Late Bronze Age' (3400-3200 cal. yr BP). The vegetation development in the study area followed a similar pattern when compared with palynological and macrofossil records from other parts of the Rila and the adjacent Northern Pirin Mountains. On a larger geographical scale, the postglacial vegetation history of the Rila Mountains displays common features with sites in the Romanian Carpathians, whereas the differences observed are result of the location of tree refugia, competing abilities, climate changes, and human activities.

Place, publisher, year, edition, pages
2016. Vol. 26, no 1, 17-28 p.
Keyword [en]
Holocene, Lateglacial, pollen analysis, radiocarbon chronology, Rila Mountains, vegetation history
National Category
Geosciences, Multidisciplinary
URN: urn:nbn:se:uu:diva-275566DOI: 10.1177/0959683615596825ISI: 000367628300002OAI: oai:DiVA.org:uu-275566DiVA: diva2:900478
Available from: 2016-02-04 Created: 2016-02-04 Last updated: 2016-02-04Bibliographically approved

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Possnert, Göran
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Department of Physics and AstronomyTandem Laboratory
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