Division NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Benthic invertebrates Fauna
United Kingdom
Description of types that have been intercalibrated
| Type | Lake characterisation | Ecoregion | Altitude(m absl) | Alkalinity (meq/l) | Colour (mg Pt/l) |
|---|---|---|---|---|---|
| Lake littoral acidification | |||||
| L-N-BF1 | Lowland/mid-altitude, low alkalinity, clear | n.d. | < 800 | 0,05 — 0,2 | < 30 |
| Lake profundal eutrophication | |||||
| L-N-BF2 | Ecoregion 22, low alkalinity, clear and humic | 22 | Area > 1 km2, max depth > 6 m | < 0,2 | n.d. |
Types L-N-BF1: Types L-N-BF2:
Norway, Sweden, United Kingdom, Ireland, Finland
Finland, Sweden
| Country | National classificationmethods intercalibrated | Ecological Quality Ratios | |
|---|---|---|---|
| High-good | Good-moderate | ||
| Lake littoral acidification | |||
| Norway | MultiClear: Multimetric Invertebrate Index for Clear Lakes | 0,95 | 0,74 |
| Sweden | MILA: Multimetric Invertebrate Lake Acidification index | 0,85 | 0,6 |
| UK | LAMM (Lake Acidification Macroinvertebrate Metric) | 0,86 | 0,7 |
| Lake profundal eutrophication | |||
| Finland | Revised Finnish lake invertebrate fauna assessment method (PICM) | 0,8 | 0,6 |
| Sweden | BQI (Benthic Quality Index) | 0,84 | 0,67 |