Abstract
The core of Lake Kremensko-5, one of the cirque lakes in the northern Pirin Mountains of southwestern Bulgaria, contains sediments from more than 13,500 years b.p. and a pollen stratigraphy that can be correlated with the interstadial/stadial cycle of the Late-glacial period. Artemisia and Chenopodiaceae predominate in the basal part of the sequence, indicating the presence of mountain steppe type vegetation soon after the ice retreat. A sharp increase of Pinus diploxylon-type and Poaceae after 12,360 b.p. is followed by a return of Artemisia and Chenopodiaceae, marking the Younger Dryas. Its abrupt termination must result from an unconformity, for high values of Quercetum mixtum, dated at other sites in the Pirin Mountains as early Holocene, are missing here, perhaps because of erosion at a time of low lake level related to the high insolation maximum during the early Holocene.
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Acknowledgements
We thank Plamen Stefanov and Mihail Bonkin for taking the core and H.E. Wright for discussions and improvement of the English text.
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Atanassova, J., Stefanova, I. Late-glacial vegetational history of Lake Kremensko-5 in the northern Pirin Mountains, southwestern Bulgaria. Veget Hist Archaeobot 12, 1–6 (2003). https://doi.org/10.1007/s00334-003-0001-z
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DOI: https://doi.org/10.1007/s00334-003-0001-z