Palynologycal record of a long sediment core from Lake Shira (Minusinsk Depression, South Siberia, Russia)

In 2022, a 530 cm long sediment core (Shira core 3, 54°31̍18,2̎ N, 90°10̍43,7̎ E) was recovered from 24 m depth in the central part of Lake Shira. Lake Shira is located in Minusinsk Depression of the mountains of Southern Siberia (Khakassia, Russia). It is a meromictic lake with an area of 35.9 km2 and an average depth about 11 m (the maximum depth of 24 m). The lake's salinity varies considerably and can reach up to 27 g/l. The surrounding vegetation consist of steppe associations (Artemisia and Poaceae species predominate), birches and small forest patches.