# Commission Decision (EU) 2018/229 of 12 February 2018 establishing, pursuant to Directive 2000/60/EC of the European Parliament and of the Council, the values of the Member State monitoring system classifications as a result of the intercalibration exercise and repealing Commission Decision 2013/480/EU (notified under document C(2018) 696) (Text with EEA relevance), Division: Water category Lakes Geographical Intercalibration Group Cross-GIG Phytobenthos

Extent: E+W+S+N.I.

Description of types that have been intercalibrated
Type
Lake characterisation
Alkalinity (meq/l)
Ecoregions
HA
High alkalinity lakes
> 1
Alpine, Central-Baltic, Eastern Continental, Mediterranean
MA
Moderate alkalinity lakes
0,2 — 1
Alpine, Central-Baltic, Eastern Continental, Mediterranean, Northern
LA
Low alkalinity lakes
< 0,2
Northern
Types HA: Belgium, Germany, Hungary, Ireland, Italy, Lithuania, Poland, Sweden, Slovenia, United Kingdom
Types MA: Belgium, Finland, Ireland, Italy, Romania, Sweden, United Kingdom
Types LA: Finland, Ireland, Sweden, United Kingdom
Country a and Type
National classificationmethods intercalibrated
Ecological Quality Ratios
High-good boundary
Good-moderate boundary
HA type
Belgium (Flanders)
Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD)
0,8
0,6
Germany
Verfahrensanleitung für die ökologische Bewertung von Seen zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (PHYLIB), Modul Phytobenthos
0,8
0,55
Hungary
MIL — Multimetric Index for Lakes
0,8
0,69
Ireland
Lake Trophic Diatom Index (IE)
0,9
0,63
Italy
Italian national method for the evaluation of the ecological quality of lake waterbodies using benthic diatoms (EPI-L)
0,75
0,5
Lithuania
Lithuanian Lake Phytobenthos Index
0,63
0,47
Poland
PL IOJ (Multimetryczny Indeks Okrzemkowy dla Jezior = Multimetric Diatom Index for Lakes)
0,91
0,76
Sweden
IPS
0,89
0,74
Slovenia
Metodologija vrednotenja ekološkega stanja jezer na podlagi fitobentosa in makrofitov, fitobentos
0,8
0,6
UK
DARLEQ 2
0,92
0,7
MA type
Belgium (Flanders)
Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD)
0,8
0,6
Finland
Finnish lake phytobenthos method
0,8
0,6
Ireland
Lake Trophic Diatom Index (IE)
0,9
0,63
Italy
Italian national method for the evaluation of the ecological quality of lake waterbodies using benthic diatoms (EPI-L)
0,75
0,5
Romania
National (Romanian) Assessment Method for Natural Lakes Ecological Status based on Phytobenthos (Diatoms) RO-AMLP
0,8
0,6
Sweden
IPS
0,89
0,74
UK
DARLEQ 2
0,93
0,66
LA type
Ireland
Lake Trophic Diatom Index (IE)
0,9
0,66
UK
DARLEQ 2
0,92
0,7

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Source: https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/13 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.

