Division Biological Quality Element Benthic Invertebrate fauna
United Kingdom
| Country and Type | National classification systems | Ecological Quality Ratios | |
|---|---|---|---|
| High-good boundary | Good-moderate boundary | ||
| Type NEA 1/26 | |||
| Portugal | RAT — Rocky Shore Assessment Tool | 0,8 | 0,6 |
| Spain | BO2A — Benthic Opportunistic polychaetes/amphipods index | 0,83 | 0,5 |
| Type NEA 5* | |||
| Germany | MarBIT — Marine Biotic Index Tool | 0,8 | 0,6 |