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A contribution to the Ciliata (Protozoa) fauna of chernozem soils

Miscellanea Zoologica Hungarica 13: 11-19

A contribution to the Ciliata (Protozoa) fauna of chernozem soils

Protozoological studies have been carried out in a high quality chernozem soil located in the centre of the Great Hungarian Plain. In the samples 45 Ciliata species have been recorded belonging to 36 genera. The majority of species found are cosmopolitan, with broad ecological tolerance spectrum and they are also known from small water bodies. The number of species and individuals is decreasing step by step parallel with the depth. The highest value of them was found in the 10-20 cm layers, there were no active Ciliata in the 80 cm one, while even cysts were not found in layers deeper than 100 cm. The majority of species found belong to classes Kinetofragminophora and Polyhymenophora with same proportion (46.7%/47.1/%). Within Kinetofragminophora Hymenostomata were predominant (almost 24%). Of Polyhymenophora 46.4% were Hypotrichida. The estimated biomass of Ciliata (based on the cultivated numbers of individuals) has been found to be 24 kg/ha in the 0-10 cm layer, while in the 10-20 cm one 42 kg/ha.

Accession: 003342324

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