Late Glacial and Holocene vegetation history in the southern part of Transylvania (Romania): pollen analysis of two sequences from Avrig

Abstract

Abstract We present here the results of pollen analysis of two sequences of about 8.06 m and 11.90 m length, originating from two adjacent peat bogs in the southern part of Transylvania province, Romania (155 and 122 pollen spectra). The vegetation record, which is supported by 17 14 C dates, begins in the Late Glacial interstadial when forest recolonisation began with the development of Pinus , without a pioneer Betula phase. Picea began to expand from regional refuges. After a well‐defined Younger Dryas, the Holocene opens with the expansion of Betula , Ulmus and Picea , followed, at about 10 400 cal. yr BP, by Fraxinus , Quercus and Tilia . The Corylus optimum is correlated with the Atlantic chronozone (after 8600 cal. yr BP). The local establishment of Carpinus occurred at about 6500 cal. yr BP, with a maximum at about 5700 cal. yr BP. Fagus pollen is regularly recorded after 8200 cal. yr BP. This taxon became dominant at about 3700 cal. yr BP. The first indications of human activities appear at around 7200 cal. yr BP. Copyright © 2005 John Wiley & Sons, Ltd.

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Affiliated Institutions

• Laboratoire Méditerranéen de Préhistoire Europe Afrique FR
• National Institute of Research and Development for Biological Sciences RO
• Babeș-Bolyai University RO

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