
Figure 1
Location of the reservoirs of the Dnieper cascade

Figure 2
Location of the studied ponds and lakes of Kiev (according to the specialist in ecohydrology S.V. Batog)
Table 1
The number of species (infraspecific taxa) of epiphytic algae on macrophytes of various ecological groups
| Water bodies | Ecological groups of plants | ||
|---|---|---|---|
| half-submerged | with floating leaves | submerged | |
| Kiev Reservoir | 184 (187) | 118 (121) | 238 (243) |
| Kanev Reservoir | |||
| river section | 114 (119) | 89 (92) | 151 (159) |
| bays | 128 (133) | 99 (104) | 184 (191) |
| lake section | 113 (116) | 60 (61) | 188 (194) |
| Kremenchug Reservoir | 99 (102) | 88 (89) | 144 (153) |
| Ponds of Kiev | 151 (156) | 94 (97) | 160 (167) |
| Lakes of Kiev | 175 (182) | 119 (123) | 253 (271) |
Table 2
Average number of species of epiphytic algae on macrophytes of various ecological groups
| Water bodies | Ecological groups of plants | ||
|---|---|---|---|
| half-submerged | with floating leaves | submerged | |
| Kiev Reservoir | 23 ± 8.2** | 21 ± 3.8* | 38 ± 7.3** |
| Kanev Reservoir | |||
| river section | 22 ± 4.2* | 18 ± 5.0* | 27 ± 3.7** |
| bays | 26 ± 6.0** | 19 ± 1.5* | 35 ± 4.6** |
| lake section | 24 ± 7.4* | 17 ± 4.7* | 31 ± 6.3* |
| Kremenchug Reservoir | 17 ± 4.5** | 15 ± 1.1* | 29 ± 3.9* |
| Ponds of Kiev | 19 ± 3.0** | 20 ± 4.6* | 30 ± 7.1* |
| Lakes of Kiev | 9 ± 5.0** | 14 ± 8.4* | 21 ± 5.2* |
Note: Median ± SD (standard deviation);
Table 3
Average algal cell counts and biomass of epiphytic algae on macrophytes of various ecological groups calculated per 1 g of air-dry mass of plant substrate
| Water bodies | Ecological groups of plants | ||
|---|---|---|---|
| half-submerged | with floating leaves | submerged | |
| The algal cell counts (millions of cells g−1) | |||
| Kiev Reservoir | 0.208 ± 0.177** | 0.835 ± 1.048* | 5.501 ± 2.778* |
| Kanev Reservoir | |||
| river section | 0.382 ± 0.273** | 2.669 ± 2.586* | 14.755 ± 9.922* |
| bays | 1.602 ± 1.324** | 5.380 ± 4.215* | 57.400 ± 26.172** |
| lake section | 1.574 ± 1.849* | 3.649 ± 2.575* | 68.935 ± 49.722* |
| Kremenchug Reservoir | 0.621 ± 0.779* | 0.917 ± 0.612* | 19.080 ± 19.949* |
| Ponds of Kiev | 0.811 ± 0.574** | 2.259 ± 2.527* | 10.609 ± 8.344* |
| Lakes of Kiev | 3.218 ± 3.814** | 15.654 ± 11.227** | 44.211 ± 27.358* |
| Biomass (mg g−1) | |||
| Kiev Reservoir | 0.51 ± 0.40** | 1.89 ± 1.98* | 13.36 ± 8.19* |
| Kanev Reservoir | |||
| river section | 0.79 ± 0.81** | 2.32 ± 1.45* | 23.76 ± 17.659* |
| bays | 1.80 ± 1.33** | 9.33 ± 3.21** | 125.48 ± 92.57* |
| lake section | 1.75 ± 2.15** | 5.35 ± 4.08* | 73.73 ± 44.82* |
| Kremenchug Reservoir | 1.97 ± 2.60* | 2.12 ± 1.30* | 84.72 ± 127.00* |
| Ponds of Kiev | 0.94 ± 0.66** | 2.14 ± 1.96* | 9.49 ± 7.65* |
| Lakes of Kiev | 4.17 ± 4.68** | 36.90 ± 16.98** | 137.13 ± 80.77* |
Note: Median ± SD (standard deviation);
Table 4
Average algal cell counts and biomass of epiphytic algae on macrophytes of various ecological groups calculated per 1 cm2 of plant substrate
| Water bodies | Ecological groups of plants | ||
|---|---|---|---|
| half-submerged | with floating leaves | submerged | |
| The algal cell counts (millions of cells cm−2) | |||
| Kiev Reservoir | 0.112 ± 0.041* | 0.108 ± 0.084* | 0.066 ± 0.053* |
| Kanev Reservoir | |||
| river section | 0.115 ± 0.099** | 0.047 ± 0.026* | 0.085 ± 0.054* |
| bays | 0.402 ± 0.346** | 0.252 ± 0.182** | 0.520 ± 0.476* |
| lake section | 0.140 ± 0.079* | 0.180 ± 0.071* | 0.264 ± 0.178** |
| Kremenchug Reservoir | 0.091 ± 0.080* | 0.069 ± 0.055* | 0.116 ± 0.112* |
| Biomass (mg cm-2) | |||
| Kiev Reservoir | 0.32 ± 0.18** | 0.20 ± 0.12* | 0.20 ± 0.15** |
| Kanev Reservoir | |||
| river section | 0.17 ± 0.23** | 0.10 ± 0.08* | 0.25 ± 0.22** |
| bays | 1.13 ± 0.76** | 0.41 ± 0.34** | 1.27 ± 1.18* |
| lake section | 0.56 ± 0.46** | 0.34 ± 0.22** | 0.68 ± 0.54* |
| Kremenchug Reservoir | 0.24 ± 0.10* | 0.22 ± 0.19* | 0.33 ± 0.26* |
Note: Media ± SD (standard deviation);