OpenLegislation

Division Water Category Rivers Geographical Intercalibration Groups All — Very Large Rivers

United Kingdom

Original text. Later amendments are not shown.

Description of types that have been intercalibrated

TypeRiver characterisationCatchment area of stretch (km2)Alkalinity (meq/l)
R-L1Very large low alkalinity rivers> 10 000< 0,5
R-L2Very large medium to high alkalinity rivers> 10 000> 0,5

Countries sharing types that have been intercalibrated:

R-L1:

  • Finland, Norway, Sweden

    • R-L2:

  • Austria, Belgium (Flanders), Bulgaria, Croatia, Czech Republic, Estonia, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

    1. VERY LARGE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP Biological Quality Element Benthic invertebrate fauna
    2. VERY LARGE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP Biological Quality Element Phytoplankton
    3. VERY LARGE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP Biological Quality Element Macrophytes and Phytobenthos Sub-Biological Quality Element Phytobenthos