{
  "url": "https://openlegislation.uk/eu-directive-2000-60/annex-II/division-1/division-1.2/division-1.2.3",
  "json_url": "https://openlegislation.uk/eu-directive-2000-60/annex-II/division-1/division-1.2/division-1.2.3.json",
  "legislation": "eudr/2000/60",
  "legislation_title": "Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy",
  "legislation_url": "https://openlegislation.uk/eu-directive-2000-60",
  "path": "annex/II/division/1/division/1.2/division/1.2.3",
  "kind": "division",
  "number": "1.2.3",
  "heading": "Transitional Waters",
  "text": "System A\nFixed typology\nDescriptors\nEcoregion\nThe following as identified on map B in Annex XI:\nBaltic Sea\nBarents Sea\nNorwegian Sea\nNorth Sea\nNorth Atlantic Ocean\nMediterranean Sea\nType\nBased on mean annual salinity\n< 0,5 ‰ freshwater\n0,5 to < 5 ‰ oligohaline\n5 to < 18 ‰ mesohaline\n18 to < 30 ‰ polyhaline\n30 to < 40 ‰ euhaline\nBased on mean tidal range\n< 2 m microtidal\n2 to 4 m mesotidal\n> 4 m macrotidal\nSystem B\nAlternative characterisation\nPhysical and chemical factors that determine the characteristics of the transitional water and hence the biological population structure and composition\nObligatory factors\nlatitude\nlongitude\ntidal range\nsalinity\nOptional factors\ndepth\ncurrent velocity\nwave exposure\nresidence time\nmean water temperature\nmixing characteristics\nturbidity\nmean substratum composition\nshape\nwater temperature range",
  "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/eudr/2000/60/annex/II/division/1/division/1.2/division/1.2.3",
    "retrieved_at": "2026-11-01T15:23:01.769169+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."
}