Table 1.
Main physico-chemical parameters of water in the stream mesocosms
| Parameter | Mean | Standard deviation |
|---|---|---|
| Ammonium (mg/l) | 0.061 | 0.23 |
| Nitrate (mg/l) | 4.12 | 7.44 |
| Nitrite (mg/l) | 0.005 | 0.02 |
| Phosphate (mg/l) | 0.18 | 0.24 |
| Hardness (mg Ca/l) | 53.22 | 3.01 |
| Dissolved oxygen (%) | 93.2 | 15.9 |
| pH | 7.75 | 0.19 |
| Conductivity (μS/cm) | 464 | 87.3 |