| Components of algal-cyanobacterial communities | Land-use zones | |||
| Industrial | Traffic | Residential | Recreation (park + river valley) | |
| Algae: |
|
|
|
|
| diatom | 8 53.3 | 21 50.0 | 15 38.4 | 23 50.0 |
| green | 3 20.0 | 13 30.9 | 11 28.2 | 13 28.3 |
| yellow-green | 1 6.7 | 2 4.8 | 9 23.1 | 9 19.6 |
| Cyanobacteria | 3 20.0 | 6 14.3 | 4 10.3 | 1 2.1 |
| Total | 15 100.0 | 42 100.0 | 39 100.0 | 46 100.0 |