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Diatoms are widely used for paleoindication, through which the main stages of life of lakes against the background of changing environmental conditions determined by both natural and anthropogenic factors can be reconstructed. The results of the diatom analysis of a 96 cm long continuous sediment core from the artic lake in the Pechora River delta (Nenets Autonomous Okrug, Russia) were presented. The arctic lake under study is characterized by low conductivity and nutrients content. In 33 samples taken from the la...