Division Biological Quality Element Benthic Invertebrate fauna
United Kingdom
| Country and Type | National classification systems | Ecological Quality Ratios | |
|---|---|---|---|
| High-good boundary | Good-moderate boundary | ||
| BC2 | |||
| Germany | MarBIT- Marine Biotic Index Tool | 0,8 | 0,6 |
| BC4 | |||
| Estonia | ZKI — Estonian coastal water macrozoobenthos community index | 0,39 | 0,24 |
| Latvia | BQI — Benthic quality index | 0,88 | 0,75 |