Piotr Kołaczek

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Supplementary Information (including additional references) Supplementary Methods S1. Description of peat samples preparation and identification of testate amoebae, pollen, plant macrofossils, and microscopic and macroscopic charcoal. Testate amoebae were extracted from the peat samples following the standard protocol 1 , and identified under the light(More)
As human impact have been increasing strongly over the last decades, it is crucial to distinguish human-induced dust sources from natural ones in order to define the boundary of a newly proposed epoch - the Anthropocene. Here, we track anthropogenic signatures and natural geochemical anomalies in the Mukhrino peatland, Western Siberia. Human activity was(More)
Pollen availability is a major constraint of plant reproductive success. Because pollen size trades-off with the quantity of produced grains, the link between climate characteristics and the determination of pollen size is of fundamental importance. To minimize the rate of water loss due to desiccation, a plant should produce larger grains that also have a(More)
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