Table 2.
Flow-weighted (mean ± standard error of the mean) annual total nitrogen, nitrate, ammonium, total phosphorus, phosphate and total organic carbon concentrations in the treatment (T) and control (C) catchments during the pre-treatment period
| Catchment | Total N µg l−1 |
NO3-N µg l−1 |
NH4-N µg l−1 |
Total P µg l−1 |
PO4-P µg l−1 |
TOC |
|---|---|---|---|---|---|---|
| 1. Iso-Kauhea | ||||||
| T | 481 ± 12 | 14 ± 1.6 | 7 ± 0.5 | 16 ± 0.8 | 2 ± 0.2 | 24 ± 0.9 |
| C | 248 ± 17 | 5 ± 0.5 | 4 ± 0.3 | 8 ± 0.6 | 1 ± 0.1 | 11 ± 0.8 |
| 2. Balsjö | ||||||
| T | 347 ± 24 | 14 ± 6.0 | 23 ± 0.5 | 12 ± 0.9 | – | 26 ± 3.3 |
| C | 409 ± 64 | 22 ± 7.5 | 24 ± 0.8 | 16 ± 2.2 | – | 28 ± 2.6 |
| 3. Kangasvaara | ||||||
| T | 171 ± 13 | 5 ± 0.6 | 3 ± 0.3 | 6 ± 0.7 | 1 ± 0.1 | 7 ± 0.6 |
| C | 248 ± 17 | 5 ± 0.5 | 4 ± 0.3 | 8 ± 0.6 | 1 ± 0.1 | 11 ± 0.8 |
| 4. Lehmikorvenoja | ||||||
| T | 471 ± 55 | 23 ± 7.8 | 33 ± 3.6 | 16 ± 0.9 | 3 ± 0.7 | 19 ± 1.4 |
| C | 473 ± 54 | 6 ± 0.6 | 9 ± 1.0 | 26 ± 2.4 | 4 ± 0.8 | 23 ± 1.1 |
| 5. Vanneskorvenoja | ||||||
| T | 376 ± 27 | 27 ± 6.1 | 32 ± 10.4 | 127 ± 39.4 | 8 ± 0.5 | 16 ± 1.3 |
| C | 476 ± 42 | 5 ± 0.9 | 9 ± 0.9 | 24 ± 2.5 | 4 ± 0.7 | 23 ± 0.9 |
| 6. Porraskorvenoja | ||||||
| T | 472 ± 21 | 78 ± 18.1 | 34 ± 4.3 | 27 ± 1.1 | 9 ± 1.2 | 15 ± 0.9 |
| C | 476 ± 42 | 5 ± 0.8 | 9 ± 0.9 | 24 ± 2.5 | 4 ± 0.7 | 23 ± 0.9 |
| 7. Kivipuro | ||||||
| T | 504 ± 67 | 3 ± 0.3 | 6 ± 0.7 | 21 ± 1.4 | 4 ± 0.5 | 24 ± 0.4 |
| C | 478 ± 27 | 3 ± 0.6 | 6 ± 1.5 | 25 ± 1.5 | 6 ± 1.0 | 25 ± 0.5 |
| 8. Paroninkorpi | ||||||
| T | 632 ± 28 | 34 ± 28.3 | 6 ± 2.0 | 15 ± 4 | 1 ± 0.03 | 28 ± 2.8 |
| C | 675 ± 58 | 16 ± 2.4 | 7 ± 0.4 | 16 ± 3 | 1 ± 0.1 | 35 ± 3.3 |