Assessment of Anthropogenic Influence on Antarctic Mycobiota in Areas of Russian Polar Stations

I. Yu Kirtsideli, D. Yu Vlasov, Yu K. Novozhilov, E. V. Abakumov, E. P. Barantsevich

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

This article presents the results of microscopic fungi complexes in the areas of five Russian polar stations in East Antarctica and the Subantarctic. A total of 104 microfungal species have been identified. Seventyseven fungal species have been detected in samples of soils and anthropogenic materials from polar stations of East Antarctica (Progress, Mirny, Molodezhnaya, and Druzhnaya 4) using mycological methods while, in the Bellingshausen station (Subantarctic), we have isolated 87 micromycete species. The number of fungi in soils varies from individual propagules in control soils to 94000 per 1 g of soil in contaminated areas. The largest number of species is represented by the genus Penicillium (26 species). Fungal species that form the core of mycobiota in most of the studied habitats have been identified. For soils of East Antarctica, it is formed by species of the genera Aureobasidium, Cadophora, Pseudogymnoascus (Geomyces), Thelebolus, and Phoma. Significant differences are established between the mycobiota of East Antarctica and that of the Subantarctic. At the same time, a general trend towards an increase in fungal species diversity and number in the areas of polar stations compared to the control (clean) sites for all studied areas is recorded. These data indicate that a significant part of micromycetes is introduced into the Antarctic by humans (anthropogenic invasion).

Original languageEnglish
Pages (from-to)449-457
Number of pages9
JournalContemporary Problems of Ecology
Volume11
Issue number5
DOIs
StatePublished - 1 Sep 2018

Scopus subject areas

  • Environmental Science(all)

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