The Late Pleistocene Bokhan site (Fore-Baikal area, Russia)and its palaeoenvironmental reconstruction

Fedora Khenzykhenova, Kunio Yoshida, Takao Sato, Alexander Shchetnikov, Evgenia Osipova, Guzel Danukalova, Varvara Ivanova, Alexandra Simakova, Ivan Filinov, Elena Semenei, Oyuna Namzalova, Erdem Tumurov, Dmitry Malikov

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Abstract

Multidisciplinary research was carried out at the new Late Pleistocene Bokhan site in the Baikal region (Fore-Baikal)including geochemical and petrochemical X-ray fractions, palynological and palaeozoological studies, and AMS-dating. Four palynological complexes show a development of vegetation from open meadow-steppe landscapes that are replaced by meadow steppe with small areas of tundra vegetation to pine and pine-birch boreal forests. The fauna included molluscs, reptile and mammals of tundra, steppe and taiga inhabitants. It is a so-called no-analogue fauna extant analogy of species composition which reflects tundra-steppe landscapes in conditions of cold and dry climate during Sartanian time (MIS 2)(layers 1–2)and tundra-forest-steppe landscapes with more comfortable climatic conditions, during the end of The Pleistocene (layer 3).

Original languageEnglish
JournalQuaternary International
DOIs
Publication statusPublished - 2019 Jan 1

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Keywords

  • Fore-baikal
  • Late pleistocene
  • Mammals
  • Molluscs
  • No-analogue fauna
  • Reptile

ASJC Scopus subject areas

  • Earth-Surface Processes

Cite this

Khenzykhenova, F., Yoshida, K., Sato, T., Shchetnikov, A., Osipova, E., Danukalova, G., Ivanova, V., Simakova, A., Filinov, I., Semenei, E., Namzalova, O., Tumurov, E., & Malikov, D. (2019). The Late Pleistocene Bokhan site (Fore-Baikal area, Russia)and its palaeoenvironmental reconstruction. Quaternary International. https://doi.org/10.1016/j.quaint.2019.04.023