Division Biological Quality Element Benthic Invertebrate fauna
United Kingdom
| Country | National classification methods | Ecological Quality Ratios | |
|---|---|---|---|
| High-good boundary | Good-moderate boundary | ||
| Greece | GLBiI — Greek Lake Benthic invertebrate Index | 0,8 | 0,6 |
| Italy | BQIES (Benthic Quality Index Expected Species number) | 0,88 | 0,76 |