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Table 4
Values of the dominance (D%) and constancy (C%) indices that were calculated for the oligochaete communities in the studied ponds.
| Taxon | Water bodies | |||||
|---|---|---|---|---|---|---|
| Freshwater | Subhaline | Hypohaline | ||||
| D (%) | C (%) | D (%) | C (%) | D (%) | C (%) | |
| Limnodrilus hoffmeisteri Claparède, 1862 | 10.3 | 97.9 | 7.4 | 100.0 | 1.5 | 27.1 |
| Limnodrilus claparedeanus Ratzel, 1868 | 5.3 | 76.6 | 3.7 | 93.8 | 0.02 | 2.1 |
| Limnodrilus udekemianus Claparède, 1862 | 2.1 | 57.4 | 1.8 | 68.8 | ||
| Tubifex tubifex (Müller, 1774) | 0.9 | 53.2 | 0.5 | 39.6 | ||
| Potamothrix bavaricus (Oschmann, 1913) | 1.7 | 70.8 | 0.2 | 16.7 | ||
| Potamothrix moldaviensis Vejdovský & Mrázek, 1903 | 2.1 | 66.0 | 2.3 | 70.8 | ||
| Potamothrix hammoniensis (Michaelsen, 1901) | 0.7 | 48.9 | 1.0 | 64.6 | ||
| Psammoryctides barbatus (Grube, 1891) | 0.7 | 48.9 | 0.7 | 45.8 | ||
| Psammoryctides albicola (Michaelsen, 1901) | 0.5 | 31.9 | 0.8 | 66.7 | ||
| Ilyodrilus templetoni (Southern, 1909) | 0.4 | 36.2 | 0.7 | 58.3 | ||
| Aulodrilus pluriseta Bretscher, 1899 | 0.9 | 29.8 | ||||
| Tubificinae gen. spp. juv. | 30.2 | 97.9 | 55.8 | 100.0 | 24.6 | 68.8 |
| Paranais litoralis (Müller, 1784) | 73.5 | 75.0 | ||||
| Chaetogaster diaphanus (Gruithuisen, 1828) | 1.1 | 25.5 | ||||
| Stylaria lacustris (Linnaeus, 1767) | 2.6 | 53.2 | 5.1 | 39.6 | ||
| Ophidonais serpentina (Müller, 1774) | 4.8 | 51.1 | 5.3 | 56.3 | ||
| Dero digitata (Müller, 1774) | 12.2 | 68.1 | 4.3 | 77.1 | ||
| Specaria josinae (Veydovský, 1884) | 0.9 | 36.2 | 1.1 | 39.6 | ||
| Nais communis Piguet, 1906 | 12.5 | 48.9 | 1.5 | 47.9 | ||
| Nais pardalis Piguet, 1906 | 3.5 | 40.4 | 0.9 | 35.4 | ||
| Nais barbata Müller, 1774 | 1.5 | 40.4 | 0.7 | 33.3 | ||
| Nais simplex Piguet, 1906 | 2.1 | 48.9 | 0.8 | 41.7 | ||
| Nais elinguis Müller, 1774 | 0.5 | 38.3 | 3.2 | 64.6 | ||
| Vejdovskyella comata (Vejdovský, 1884) | 0.6 | 19.1 | ||||
| Uncinais uncinata (Ørsted, 1842) | 0.4 | 12.8 | ||||
| Pristina longiseta Ehrenberg, 1828 | 0.5 | 19.1 | ||||
| Pristina aequiseta Bourne,1891 | 0.6 | 19.1 | ||||
| Lumbriculus variegatus (Müller, 1774) | 1.8 | 48.9 | 0.4 | 27.1 | ||
| Enchytraeidae | 0.2 | 19.1 | 0.3 | 16.7 | ||
| Total individuals | 5648 | 6569 | 4975 | |||
| Density (ind./m2) (range) | 0-2709 | 144-5083 | 0-7808 | |||
| Mean density (ind./m2) | 641 | 730 | 553 | |||
| Mean wet weight (g m−2) | 0.916 | 0.617 | 0.419 | |||
| Total number of species | 25 | 20 | 4 | |||
| Mean number of species | 11 | 11 | 1 | |||
| Mean values of the Shannon-Wiener index | 1.640 | 2.042 | 0.879 | |||
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