| Abstrakt: |
The species composition and external morphology of heterotrophic flagellates in four sphagnum bogs and six lakes in the Usman pine forest in Voronezh oblast has been studied. A total of 71 species from five supergroups (Amoebozoa, Opisthokonta, Rhizaria, Archaeplastida, and Excavata) have been recorded. The faunal similarity of the flagellate complexes is extremely low in the studied water bodies. The maximum species wealth is recorded in the terrace dammed lake with a marsh watershed, while the minimum species wealth is detected in the driest sphagnum bog. Different floodplain lakes are characterized by the maximum and minimum species specificity, while the terrace lakes and bogs occupy the intermediate position. Most species are represented by Rhizaria and Excavata. Rhizaria are dominated by Cercomonadida and Glissomonadida, while Excavata are dominated by Euglenoidea and Kinetoplastida. Only three predatory flagellates were found: Rhynchobodo armata Brugerolle, 1985, Goniomonas truncata (Fresenius, 1858), and Alphamonas edax (Klebs, 1892). Some of the revealed species also occur in sea waters, which indicates their euryhalinity. Bordnamonas tropicana was found in a fresh water body for the first time. The descriptions, drawings, and photographs of 16 species are given, taking into account the morphological features of their cells. [ABSTRACT FROM AUTHOR] |
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