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Division CENTRAL-BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Fish fauna

United Kingdom

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Description of common intercalibration types

TypeLake characterisationAltitude (m above sea level)Mean depth (m)Alkalinity (meq/l)Residence time (years)
L-CB1Lowland, shallow, calcareous< 2003 — 15> 11 — 10
L-CB2Lowland, very shallow, calcareous< 200< 3> 10,1 — 1
L-CB3Lowland, shallow, small, siliceous (moderate alkalinity)< 2003 — 150,2 — 11 — 10
L-CB4Heavily modified water bodies200 — 7003 — 30> 0,20,1 — 5

Countries sharing types that have been intercalibrated

Types L-CB1:

  • Belgium, Germany, Denmark, Estonia, Ireland, Lithuania, Latvia, Netherlands, Poland, United Kingdom

    • Types L-CB2:

  • Belgium, Germany, Denmark, Estonia, Ireland, Lithuania, Latvia, Netherlands, Poland, United Kingdom

    • Types L-CB3:

  • Belgium, Denmark, Estonia, France, Latvia, Poland

    • Types L-CB4:

  • Czech Republic

    • CountryNational classification systems intercalibratedEcological Quality Ratios
    High-good boundaryGood-moderate
    Czech RepublicCZ-FBI0,870,619
    DenmarkDanish Lake Fish Index0,750,54
    EELAFIEE0,80,61
    GermanyDeLFI_SITE — Deutsches probennahmestandort-spezifisches Bewertungsverfahren für Fische in Seen zur Umsetzung der EG-Wasserrahmenrichtlinie0,950,8
    FranceELFI (European Lake Fish Index): Indice Ichtyofaune Lacustre (IIL)0,730,49
    LatviaLatvian Lake Fish Index0,760,57
    LithuaniaLithuanian Lake Fish Index0,8650,605
    NetherlandsVISMAATLAT0,80,6
    PolandLFI+0,8660,595
    PolandLFI EN0,8040,557
    1. Results:Division Results: