Retrospective of diatom diversity dynamics in thanatocenoses under climate change

Resumo

The species diversity of planktonic diatoms in thanatocenoses of bottom sediments in Lake Bol’shoe Miassovo (Southern Urals) has been studied and a reconstruction of the thermal regime of the lake for the last 1000 years is made. It is established that the restructuring of the diatom assemblage and decrease in species diversity in thanatocenoses are caused by rapid climate warming that began in the 19th century in the Southern Urals.