Reconstructions of Paleoecological and Paleoclimatic Conditions of the Late Pleistocene and Holocene according to the Results of Chironomid Analysis of Sediments from Medvedevskoe Lake (Karelian Isthmus)


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Abstract

The use of chironomids (Diptera: Chironomidae) as indicators of changes in natural and climatic settings allows one to reconstruct paleoclimatic and paleoenvironmental conditions. Based on the results of lithological and chironomid analyses, the loss on ignition (LOI) values, as well as the results of radiocarbon dating (14C AMS), new data on the paleoclimate in the Karelian Isthmus, in particular the quantitative reconstruction of the mean July temperature (TJuly, °C) in the Late Pleistocene and Holocene and the evolution of the ecosystem of Medvedevskoe Lake have been obtained.

About the authors

L. B. Nazarova

Potsdam University, Institute of Earth and Environmental Science; Kazan Federal University

Author for correspondence.
Email: Larisa.nazarova@awi.de
Germany, Potsdam; Kazan, 420008

D. A. Subetto

Northern Water Problems Institute, Karelian Science Center; Herzen Russian State Pedagogical University

Email: Larisa.nazarova@awi.de
Russian Federation, Petrozavodsk, Republic of Karelia, 185003; St. Petersburg, 191186

L. S. Syrykh

Kazan Federal University; Herzen Russian State Pedagogical University

Email: Larisa.nazarova@awi.de
Russian Federation, Kazan, 420008; St. Petersburg, 191186

I. M. Grekov

Herzen Russian State Pedagogical University

Email: Larisa.nazarova@awi.de
Russian Federation, St. Petersburg, 191186

P. A. Leontev

Herzen Russian State Pedagogical University

Email: Larisa.nazarova@awi.de
Russian Federation, St. Petersburg, 191186

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