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2004 year, number 6

REGIONAL SIGNATURES OF CHANGING LANDSCAPE AND CLIMATE OF NORTHERN CENTRAL SIBERIA IN THE HOLOCENE

V.L. Koshkarova and A.D. Koshkarov*
Institute of Forest, Siberian Branch of the RAS, Akademgorodok, Krasnoyarsk, 660036, RussiaJ* Krasnoyarsk State Pedagogical University, 89 ul. A. Lebedevoi, Krasnoyarsk, 660049, Russia
Keywords: Holocene, paleocarpology, geochronology, speciation of paleolandscapes, climate
Pages: 672-685

Abstract

On the basis of geochronological and palynological materials, 25 sections of Holocene deposits and soils of northern Central Siberia were studied by paleocarpological methods. Special attention was given to the reconstruction of the dynamics of speciation of forest cover in time and space. As a result, climatic and ecological settings have been dynamically portrayed for each kind of landscape, and quantitative parameters of paleoclimates have been calculated. The main peaks of climatic changes of the postglacial history have been detected in the ranges 8.5-8.0 ka (thermal maximum) and 2.5-2.0 ka (thermal minimum). Importantly, the thermal maximum is characterized by warming up by 3-9