{
  "url": "https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-13",
  "json_url": "https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-13.json",
  "legislation": "eudn/2018/229",
  "legislation_title": "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)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2018-229",
  "path": "annex/division/1/division/13",
  "kind": "division",
  "number": null,
  "heading": "Water category Lakes Geographical Intercalibration Group Cross-GIG Phytobenthos",
  "text": "Description of types that have been intercalibrated\nType\nLake characterisation\nAlkalinity (meq/l)\nEcoregions\nHA\nHigh alkalinity lakes\n> 1\nAlpine, Central-Baltic, Eastern Continental, Mediterranean\nMA\nModerate alkalinity lakes\n0,2 — 1\nAlpine, Central-Baltic, Eastern Continental, Mediterranean, Northern\nLA\nLow alkalinity lakes\n< 0,2\nNorthern\nTypes HA: Belgium, Germany, Hungary, Ireland, Italy, Lithuania, Poland, Sweden, Slovenia, United Kingdom\nTypes MA: Belgium, Finland, Ireland, Italy, Romania, Sweden, United Kingdom\nTypes LA: Finland, Ireland, Sweden, United Kingdom\nCountry a and Type\nNational classificationmethods intercalibrated\nEcological Quality Ratios\nHigh-good boundary\nGood-moderate boundary\nHA type\nBelgium (Flanders)\nProportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD)\n0,8\n0,6\nGermany\nVerfahrensanleitung für die ökologische Bewertung von Seen zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (PHYLIB), Modul Phytobenthos\n0,8\n0,55\nHungary\nMIL — Multimetric Index for Lakes\n0,8\n0,69\nIreland\nLake Trophic Diatom Index (IE)\n0,9\n0,63\nItaly\nItalian national method for the evaluation of the ecological quality of lake waterbodies using benthic diatoms (EPI-L)\n0,75\n0,5\nLithuania\nLithuanian Lake Phytobenthos Index\n0,63\n0,47\nPoland\nPL IOJ (Multimetryczny Indeks Okrzemkowy dla Jezior = Multimetric Diatom Index for Lakes)\n0,91\n0,76\nSweden\nIPS\n0,89\n0,74\nSlovenia\nMetodologija vrednotenja ekološkega stanja jezer na podlagi fitobentosa in makrofitov, fitobentos\n0,8\n0,6\nUK\nDARLEQ 2\n0,92\n0,7\nMA type\nBelgium (Flanders)\nProportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD)\n0,8\n0,6\nFinland\nFinnish lake phytobenthos method\n0,8\n0,6\nIreland\nLake Trophic Diatom Index (IE)\n0,9\n0,63\nItaly\nItalian national method for the evaluation of the ecological quality of lake waterbodies using benthic diatoms (EPI-L)\n0,75\n0,5\nRomania\nNational (Romanian) Assessment Method for Natural Lakes Ecological Status based on Phytobenthos (Diatoms) RO-AMLP\n0,8\n0,6\nSweden\nIPS\n0,89\n0,74\nUK\nDARLEQ 2\n0,93\n0,66\nLA type\nIreland\nLake Trophic Diatom Index (IE)\n0,9\n0,66\nUK\nDARLEQ 2\n0,92\n0,7",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/13",
    "retrieved_at": "2026-11-01T15:13:11.570988+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}