Composition of morphotypes of naked amebae in soils of the forest-steppe zone of Ukraine

M. Patsyuk
Zhytomyr Ivan Franko State University, Zhytomyr

Abstract


In the soils of the forest-steppe zone of Ukraine we found 12 morphotypes of naked amoebae: eruptive (Vahlkampfa sp. (1), Vahlkampfa sp. (2), Willaertia sp.), politactic (Polychaos dubium Schaeffer, 1917, Deuteramoeba mycophaga Page, 1988), monotactic (Saccamoeba stagnicola Page, 1974, Hartmannella vermiformis Page, 1967, Cashia limacoides Page, 1974), lens-like (Cochliopodium sp. (1)), striate (Thecamoeba striata Penard, 1890, Thecamoeba similis Lepsi, 1960), rugose (Thecamoeba terricola (Greef, 1866) Lepsi, 1960), fan-shaped (Vannella sp., Ripella platypodia Smirnov, Nassonova, Chao et Cavalier-Smith, 2007), mayorellian (Mayorella viridis Leidy, 1874, Mayorella cantabrigiensis Page, 1983, Mayorella sp.), dactylopodial
(Korotnevella sp. (1), Vexillifera sp.), acanthopodial (Acanthamoeba sp. (1)), branched (Rhizamoeba sp. (1)), lingualate (Stenamoeba stenopodia Page, 1969). In terms of frequency of occurrence, the most common were amoebae of eruptive (91 %), fan-shaped (82), striate (69), lens-like (62), acanthopodial (62), mayorellian (55.5 ), monotactic (53 %) morphotypes, the least common are amoeba of the politactic (24 %) morphotype. In the soils of meadows, there are no amoeba of polytactic and rugose morphotypes, in soils under shrubs – rugose and branched morphotypes. The composition of morphotypes of naked amoebas in the soils of the forest-steppe zone of Ukraine is divided into two complexes: the first complex includes amoebae from the soils of forests and shrubs, the second – from the soils of meadows. The formation of the first complex of morphotypes of amoebae is influenced by the increased
humidity and higher temperature of the soils in comparison with the other complex of morphotypes of amoebas.

Keywords


morphotypes of amoebae, soils, moisture, acidity, temperature, forest-steppe, Ukraine

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Received: 10.05.2021

Revised: 10.06.2021

Signed for the press: 10.06.2021




DOI: http://dx.doi.org/10.17721/1728_2748.2021.85.46-51

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