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Geochronology of vegetation stages of south-east Baltic coast (Kaliningrad region) during the middle and Late Holocene

Arslanov K., Druzhinina O., Savelieva L., Subetto D., Skhodnov I., Dolukhanov P., Kuzmin G., Chernov S., Maksimov F., Kovalenkov S.

Geochronometria

2011

Vol. 38, no. 2

172-181

The raised bog sediments that have been continuously accumulated over time represent the most suitable natural object which enables us to reconstruct Late Glacial and Holocene vegetation and palaeoclimates. Bog peat consists of organic carbon formed in situ. It contains moss, plant fragments and microfossils that are necessary for the study of palaeovegetation and palaeoclimate. However, a successful study of palaeoenvironment can be carried out on the basis of investigation of a great quan-tity of samples along the whole peatbog thickness. In the present paper, the authors present the results of palynological, botanical investigations and radiocarbon dating of 31 peat samples taken from the raised bog Velikoye, located in the eastern part of Kaliningrad Region. The data obtained have ena-bled us to reconstruct the palaeovegetation, reveal the evolution of the bog and determine rate of peat formation at different evolutional stages over the last 7500 cal BP.