Division NORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Macrophytes and Phytobenthos Sub-Biological Quality Element Phytobenthos
United Kingdom
| Country | National classification systems intercalibrated | Ecological Quality Ratios | |
|---|---|---|---|
| High-Good boundary | Good-Moderate boundary | ||
| Finland | Finnish river phytobenthos method | 0,8 | 0,6 |
| Sweden | Indice de Polluosensibilité Spécifique (IPS) | 0,89 | 0,74 |
| Ireland | Revised form of Trophic Diatom Index (TDI) | 0,93 | 0,78 |
| United Kingdom | DARLEQ 2 | 1,0 | 0,75 |
| Norway | Periphyton Index of Trophic Status (PIT) | 0,99 (Ca ≤ 1 mg/l) | 0,83 |
| 0,95 (Ca > 1 mg/l) | |||