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Table 5

The characteristics of the Harpacticoida and Ostracoda taxocenes in Bay Sivash (2018, May–June).

Species FO, % Abundance, ind. m−2 Salinity range, g l−1

Range Average
In bottom community
Class Hexanauplia
Order Canuelloida
Family Canuellidae
Canuella perplexa (Scott T. & A., 1893) 10 842 84.2 52
Order Harpacticoida
Family Ameiridae
Nitokra spinipes spinipes (Boeck, 1865) 50 421–17261 3538 30–88
Family Canthocamptidae
Cletocamptus retrogressus (Schmankevitsch, 1875) 10 842 84 56
Mesochra rostrata (Gurney, 1927) 70 842–101882 16051 30–88
The number of species in a bottom sample, range/average 1–2/1.9
The total number of species in bottom community 4
Class Ostracoda
Order Podocopida
Family Cytherideidae
Cyprideis torosa (Jones, 1850) 40 421–7999 1362 30–88
The total number of species in bottom community 1
In floating mats
Class Hexanauplia
Order Harpacticoida
Family Ameiridae
Nitokra spinipes spinipes (Boeck, 1865) 0.143 10 1.4 77
Family Canthocamptidae
Mesochra rostrata (Gurney, 1927) 0.571 10–460 77 52–77
Cletocamptus retrogressus (Schmankevitsch, 1875) 0.143 10 1.4 56
Family Harpacticidae
Harpacticus littoralis (Sars G.O., 1910) 0.143 460 66 30
Family Laophontidae
Laophonte setosa (Boeck, 1865) 0.143 230 32.9 30
The number of species in a mat sample, range / average 1–2/1.4
The total number of species in mats 5
The total number of species in bottom and mat communities 6
Class Ostracoda
Order Podocopida
Family Paradoxostomatidae
Cytherois cepa (Klie, 1937) 14 1250 179 30
Family Loxoconchidae
Loxoconcha sp. (L. bulgarica Caraion, 1960) 14 1250 179 30
The total number of species in mats 2
The total number of species in bottom and mat communities 3

FO − frequency of occurrence.

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