Table 3
Descriptive statistics of the studied features (V (%)—coefficient of variation).
| Species | Lemna trisulca | Lemna minor | ||||
|---|---|---|---|---|---|---|
| Feature | Mean | stat. dev. | V | Mean | stat. dev. | V |
| O2 (%) | 128.34 | 33.59 | 26 | 98.82 | 22.71 | 23 |
| O2 (mg) | 10.55 | 2.32 | 22 | 13.10 | 17.03 | 130 |
| Water temperature | 24.83 | 2.88 | 12 | 24.60 | 2.99 | 12 |
| Ambient temperature | 23.53 | 2.62 | 11 | 23.48 | 2.51 | 11 |
| Light | 705.92 | 398.12 | 56 | 692.23 | 645.37 | 93 |
| Conductivity | 670.85 | 76.55 | 11 | 617.46 | 79.23 | 13 |
| Coverage of Lemna layer | 17.38 | 6.96 | 40 | 88.08 | 10.56 | 12 |
| Thickness of Lemna layer | 38.15 | 13.63 | 36 | 14.62 | 5.00 | 34 |
| Sediment cover | 96.92 | 10.87 | 11 | 95.23 | 7.26 | 8 |
| Sediment height | 0.61 | 0.14 | 23 | 0.41 | 0.18 | 43 |