Present-day and mid-Holocene biomes reconstructed from pollen and plant macrofossil data from the former Soviet Union and Mongolia

Pavel E. Tarasov*, Thompson Webb, Andrei A. Andreev, Natalya B. Afanas'eva, Natalya A. Berezina, Ludmila G. Bezusko, Tatyana A. Blyakharchuk, Natalia S. Bolikhovskaya, Rachid Cheddadi, Margarita M. Chernavskaya, Galina M. Chernova, Nadezhda I. Dorofeyuk, Veronika G. Dirksen, Galina A. Elina, Ludmila V. Filimonova, Feliks Z. Glebov, Joel Guiot, Valentina S. Gunova, Sandy P. Harrison, Dominique JollyValentina I. Khomutova, Eliso V. Kvavadze, Irina M. Osipova, Nata K. Panova, I. Colin Prentice, Leili Saarse, Dmitrii V. Sevastyanov, Valentina S. Volkova, Valentina P. Zernitskaya

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

202 Citations (Scopus)

Abstract

Fossil pollen data supplemented by tree macrofossil records were used to reconstruct the vegetation of the Former Soviet Union and Mongolia at 6000 years. Pollen spectra were assigned to biomes using the plant-functional-type method developed by Prentice et al. (1996). Surface pollen data and a modern vegetation map provided a test of the method. This is the first time such a broad-scale vegetation reconstruction for the greater part of northern Eurasia has been attempted with objective techniques. The new results confirm previous regional palaeoenvironmental studies of the mid-Holocene while providing a comprehensive synopsis and firmer conclusions. West of the Ural Mountains temperate deciduous forest extended both northward and southward from its modern range. The northern limits of cool mixed and cool conifer forests were also further north than present. Taiga was reduced in European Russia, but was extended into Yakutia where now there is cold deciduous forest. The northern limit of taiga was extended (as shown by increased Picea pollen percentages, and by tree macrofossil records north of the present-day forest limit) but tundra was still present in north-eastern Siberia. The boundary between forest and steppe in the continental interior did not shift substantially, and dry conditions similar to present existed in western Mongolia and north of the Aral Sea.

Original languageEnglish
Pages (from-to)1029-1053
Number of pages25
JournalJournal of Biogeography
Volume25
Issue number6
DOIs
Publication statusPublished - 1998
Externally publishedYes

Keywords

  • Biome
  • Former Soviet Union
  • Mongolia
  • Plant functional types
  • Pollen taxa
  • Russia
  • Vegetation changes
  • Vegetation maps

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