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Moss inhabiting diatoms of Galindez Island, Argentine Islands (the maritime Antarctica) exhibit low diversity and pronounced differentiation

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HUTŇAN CHATTOVÁ Barbora ZOTOV Andrii PARNIKOZA Ivan

Rok publikování 2022
Druh Článek v odborném periodiku
Časopis / Zdroj Czech polar reports
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://doi.org/10.5817/CPR2022-1-5
Doi http://dx.doi.org/10.5817/CPR2022-1-5
Klíčová slova Antarctic region; Bacillariophyceae; diatoms; ecology; mosses
Popis The moss-inhabiting diatom flora has been surveyed for the first time on the Galindez Island, Argentine Islands, the maritime Antarctica. Altogether, 23 diatom taxa belonging to 9 genera were identified. Diatom taxa distribution exhibited considerable variability across the samples and lower species richness compared to the communities surveyed in other Antarctic regions studied earlier -South Shetland Islands and James Ross Island. A pronounced single-species dominance was revealed by the analysis of moss-inhabiting diatom communities' structure at the majority of moss substrates. The allocation of cer-tain diatom species to the particular moss substrates was detected alongside their com-plete absence in some samples. The reasons for such moss-inhabiting diatom communi-ties' variability should be further investigated in follow-up studies.

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