{
  "url": "https://openlegislation.uk/eu-decision-2010-335/annex/division-5/division-5.1/division-5.1.2",
  "json_url": "https://openlegislation.uk/eu-decision-2010-335/annex/division-5/division-5.1/division-5.1.2.json",
  "legislation": "eudn/2010/335",
  "legislation_title": "Commission Decision of 10 June 2010 on guidelines for the calculation of land carbon stocks for the purpose of Annex V to Directive 2009/28/EC (notified under document C(2010) 3751) (2010/335/EU)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2010-335",
  "path": "annex/division/5/division/5.1/division/5.1.2",
  "kind": "division",
  "number": "5.1.2",
  "heading": "Below ground living biomass",
  "text": "For the calculation of CBGB one of the following two rules shall be used:\n(1) CBGB = BBGB × CFB\nwhere:\nCBGB below ground carbon stock in living biomass (measured as mass of carbon per hectare);\nBBGB weight of below ground living biomass (measured as mass of dry matter per hectare);\nCFB carbon fraction of dry matter in living biomass (measured as mass of carbon per mass of dry matter).\nFor cropland, perennial crops and forest plantations the value for BBGB shall be the average weight of the below ground living biomass during the production cycle.\nFor CFB the value of 0,47 may be used.\n(2) CBGB = CAGB × R\nwhere:\nCBGB below ground carbon stock in living biomass (measured as mass of carbon per hectare);\nCAGB above ground carbon stock in living biomass (measured as mass of carbon per hectare);\nR ratio of below ground carbon stock in living biomass to above ground carbon stock in living biomass.\nAppropriate values for R set out in point 8 may be used.",
  "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/2010/335/annex/division/5/division/5.1/division/5.1.2",
    "retrieved_at": "2026-11-01T15:16:06.155185+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."
}