{
  "url": "https://openlegislation.uk/eu-decision-2017-848/annex/part-II/division-4/division-1",
  "json_url": "https://openlegislation.uk/eu-decision-2017-848/annex/part-II/division-4/division-1.json",
  "legislation": "eudn/2017/848",
  "legislation_title": "Commission Decision (EU) 2017/848 of 17 May 2017 laying down criteria and methodological standards on good environmental status of marine waters and specifications and standardised methods for monitoring and assessment, and repealing Decision 2010/477/EU (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2017-848",
  "path": "annex/part/II/division/4/division/1",
  "kind": "division",
  "number": null,
  "heading": "Criteria, including criteria elements, and methodological standards",
  "text": "Criteria elements\nCriteria\nMethodological standards\nTrophic guilds of an ecosystem.\nThe Secretary of State, in consultation with the devolved policy authorities, shall establish the list of trophic guilds through regional or subregional cooperation.\nD4C1 — Primary:\nThe diversity (species composition and their relative abundance) of the trophic guild is not adversely affected due to anthropogenic pressures.\nThe Secretary of State, in consultation with the devolved policy authorities, shall establish threshold values through regional or subregional cooperation.\nScale of assessment:\nRegional level for Baltic Sea and Black Sea; subregional level for North-East Atlantic and Mediterranean Sea.\nSubdivisions may be used where appropriate.\nUse of criteria:\nWhere values do not fall within the threshold values, this may trigger further research and investigation to understand the causes for the failure.\nD4C2 — Primary:\nThe balance of total abundance between the trophic guilds is not adversely affected due to anthropogenic pressures.\nThe Secretary of State, in consultation with the devolved policy authorities, shall establish threshold values through regional or subregional cooperation.\nD4C3 — Secondary:\nThe size distribution of individuals across the trophic guild is not adversely affected due to anthropogenic pressures.\nThe Secretary of State, in consultation with the devolved policy authorities, shall establish threshold values through regional or subregional cooperation.\nD4C4 — Secondary (to be used in support of criterion D4C2, where necessary):\nProductivity of the trophic guild is not adversely affected due to anthropogenic pressures.\nThe Secretary of State, in consultation with the devolved policy authorities, shall establish threshold values through regional or subregional cooperation.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in Decision substituted (31.12.2020) by The Marine Environment (Amendment) (EU Exit) Regulations 2018 (S.I. 2018/1399), reg. 5(2); 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2017/848/annex/part/II/division/4/division/1",
    "retrieved_at": "2026-11-01T15:13:29.833878+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."
}