Contribution to the taxonomy and ecology of green cryosestic algae in the summer season 1995-96 at King George Island, S. Shetland Islands

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Publikace nespadá pod Ekonomicko-správní fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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KOMÁREK Ondřej KOMÁREK Jiří

Rok publikování 2002
Druh Článek ve sborníku
Konference Nova Hedwigia
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Obor Ekologie - společenstva
Klíčová slova Cryoseston; green algae; cyanobacteria; ecology; seasonality; taxonomy; Antarctica.
Popis Species composition of cryosestic algae, their seasonality and basic ecological parameters in coastal (maritime) Antarctica (King George Islang, South shetland Islands) were studied during the Antarctic summer season 1995/96. A relatively high species diversity was found. About 17 species of algae were recognised, from which 14 (about 80%) occurred exlusively in snow and glatier biotopes. Although several nontypical cryosestic algae occurred in continually changing conditions on the snow fields, the occurrence of characteristic cryosestic species is exactly determined by their ecological spectra. As the species live at the temperatures from -1 to +5 oC and in narrow spectra of nutrient concentrations, thay can be considered as extremophiles.
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