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Division NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Fish fauna

United Kingdom

Original text. Later amendments are not shown.

Description of types that have been intercalibrated

TypeLake characterisationLake area km2 Alkalinity (meq/l)Colour (mg Pt/l)
L-N-F1Dimictic clear water lakes< 40< 0,2< 30
L-N-F2Dimictic humic lakes< 5< 0,230 — 90
Types L-N-F1:

  • Ireland, Finland, Norway, Sweden, United Kingdom

    • Types L-N-F2:

  • Ireland, Finland, Norway, Sweden, United Kingdom

    • CountryNational classificationmethods intercalibratedEcological Quality Ratios
    High-good boundaryGood-moderate boundary
    Eutrophication
    FinlandEQR40,80,6
    IrelandFIL20,760,53
    UK (Northern Ireland)FIL20,760,53
    NorwayEindexW30,750,56
    SwedenEindexW30,750,56
    Acidification
    NorwayAindexW50,740,55
    SwedenAindexW50,740,55
    1. Results:Division Results: