{
  "$schema": "https://semanticgis.dk/assets/sphere-index.schema.v1.json",
  "protocol": "SPHERE",
  "version": "0.2.1",
  "description": "Machine-readable index of spheres, leaves, and cross-domain connections for agent discovery",
  "generated": "2026-04-18",
  "documentation": "/SPHERE",
  "extensions": {
    "multi_twig_membership": true,
    "optional_primary_lens": true,
    "threads": true
  },
  "spheres": [
    {
      "id": "socio-technical",
      "title": "Socio-Technical",
      "path": "/SPHERE/Socio_Technical/",
      "description": "Human-created systems: infrastructure, services, socioeconomic patterns, governance, ICT and flows, thematic perception, informal systems, risk",
      "subspheres": [
        "socio_technical_infrastructure",
        "socio_technical_services",
        "socio_technical_socioeconomic",
        "socio_technical_governance",
        "socio_technical_ict_flows",
        "socio_technical_contaminants",
        "socio_technical_hazard_vulnerability_risk",
        "socio_technical_resource_utilisation",
        "socio_technical_perception_thematics",
        "socio_technical_informal_ephemeral"
      ]
    },
    {
      "id": "atmosphere",
      "title": "Atmosphere",
      "path": "/SPHERE/Atmosphere/",
      "description": "Air, climate, weather patterns",
      "subspheres": [
        "atmosphere_climate",
        "atmosphere_weather",
        "atmosphere_composition",
        "atmosphere_contaminants"
      ]
    },
    {
      "id": "biosphere",
      "title": "Biosphere",
      "path": "/SPHERE/Biosphere/",
      "description": "Living organisms, ecosystems, ecological communities",
      "subspheres": [
        "Vegetation",
        "Fauna",
        "biosphere_microbial",
        "biosphere_ecosystems",
        "biosphere_contaminants"
      ]
    },
    {
      "id": "hydrosphere",
      "title": "Hydrosphere",
      "path": "/SPHERE/Hydrosphere/",
      "description": "Water bodies, precipitation, water quality, hydrology",
      "subspheres": [
        "hydrosphere_freshwater_surface",
        "hydrosphere_groundwater",
        "hydrosphere_marine",
        "hydrosphere_cryosphere",
        "hydrosphere_atmosphericwater",
        "hydrosphere_contaminants"
      ]
    },
    {
      "id": "lithosphere",
      "title": "Lithosphere",
      "path": "/SPHERE/Lithosphere/",
      "description": "Geology, soil composition, minerals, subsurface",
      "subspheres": [
        "lithosphere_geology",
        "lithosphere_tectonics",
        "lithosphere_resources",
        "lithosphere_hazards",
        "lithosphere_contaminants"
      ]
    },
    {
      "id": "pedosphere",
      "title": "Pedosphere",
      "path": "/SPHERE/Pedosphere/",
      "description": "Soil processes, pedological classification",
      "subspheres": [
        "pedosphere_soil_properties",
        "pedosphere_soil_types_mapping",
        "pedosphere_soil_moisture_temperature",
        "pedosphere_soil_erosion_sedimentation",
        "pedosphere_contaminants"
      ]
    },
    {
      "id": "toposphere",
      "title": "Toposphere",
      "path": "/SPHERE/Toposphere/",
      "description": "Terrain, bathymetry, surface properties, remote-sensed observations, and coordinate reference systems",
      "subspheres": [
        "toposphere_geospatial_reference_framework",
        "toposphere_topography_bathymetry",
        "toposphere_surface_radiative_thermal",
        "toposphere_surface_physical",
        "toposphere_remote_sensed_observations"
      ]
    }
  ],
  "leaves": [
    {
      "id": "firms",
      "title": "Firms",
      "path": "/Leaves/firms",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_socioeconomic",
      "primary_collection": "CentraleVirksomhedsregister",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/CentraleVirksomhedsregister/",
      "realisations": [
        "CentraleVirksomhedsregister",
        "SkatteforvaltningensVirksomhedsregister"
      ],
      "question": "What firm is this, as a legal registered entity?",
      "entities": [
        "CVREnhed",
        "Virksomhed",
        "Navn",
        "Virksomhedsform",
        "CVRAdresse"
      ],
      "key_attributes": [
        "cvrnummer",
        "navn",
        "virksomhedsform",
        "virksomhedstatus"
      ],
      "services": {
        "graphql": "/assets/source-manifests/datafordeler/datafordeler.graphql.services.manifest.v1.json",
        "source_manifest": "/assets/source-manifests/datafordeler/cvr.source.manifest.v1.json",
        "semantic_map": "/assets/source-manifests/datafordeler/cvr.semantic.entity-attribute-map.v1.json"
      },
      "tags": [],
      "threads": []
    },
    {
      "id": "economic-activities",
      "title": "Economic Activities",
      "path": "/Leaves/economic-activities",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_socioeconomic",
      "primary_collection": "CentraleVirksomhedsregister",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/CentraleVirksomhedsregister/",
      "realisations": [
        "CentraleVirksomhedsregister",
        "OpenStreetMap",
        "DanmarksStatistik",
        "SkatteforvaltningensVirksomhedsregister"
      ],
      "question": "What economic activity does a business perform?",
      "entities": [
        "Branche",
        "Virksomhed",
        "CVREnhed"
      ],
      "key_attributes": [
        "branchekode",
        "branchetekst",
        "hovedbranche"
      ],
      "services": {
        "graphql": "/assets/source-manifests/datafordeler/datafordeler.graphql.services.manifest.v1.json",
        "source_manifest": "/assets/source-manifests/datafordeler/cvr.source.manifest.v1.json",
        "semantic_map": "/assets/source-manifests/datafordeler/cvr.semantic.entity-attribute-map.v1.json"
      },
      "tags": [
        "biosphere_ecosystems",
        "socio_technical_perception_thematics"
      ],
      "flow_mode": "ant",
      "temporal_mmu": "episodic",
      "threads": [
        "economic-activities-to-biosphere-ecosystems",
        "economic-activities-to-perception-thematics"
      ]
    },
    {
      "id": "business-locations",
      "title": "Business Locations",
      "path": "/Leaves/business-locations",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_infrastructure",
      "primary_collection": "CentraleVirksomhedsregister",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/CentraleVirksomhedsregister/",
      "realisations": [
        "CentraleVirksomhedsregister",
        "OpenStreetMap",
        "BygningerOgBoliger",
        "SkatteforvaltningensVirksomhedsregister"
      ],
      "question": "Where does a business physically operate?",
      "entities": [
        "Produktionsenhed",
        "Adressering",
        "Virksomhed"
      ],
      "key_attributes": [
        "kommunekode",
        "vejnavn",
        "husnummer",
        "postnummer"
      ],
      "services": {
        "graphql": "/assets/source-manifests/datafordeler/datafordeler.graphql.services.manifest.v1.json",
        "source_manifest": "/assets/source-manifests/datafordeler/cvr.source.manifest.v1.json",
        "semantic_map": "/assets/source-manifests/datafordeler/cvr.semantic.entity-attribute-map.v1.json"
      },
      "tags": [
        "toposphere_topography_bathymetry",
        "socio_technical_perception_thematics"
      ],
      "flow_mode": "ant",
      "temporal_mmu": "episodic",
      "threads": [
        "business-locations-to-topography",
        "business-locations-to-perception-thematics"
      ]
    },
    {
      "id": "corporate-ownership",
      "title": "Ownership and Governance",
      "path": "/Leaves/corporate-ownership",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_socioeconomic",
      "primary_collection": "CentraleVirksomhedsregister",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/CentraleVirksomhedsregister/",
      "realisations": [
        "CentraleVirksomhedsregister",
        "SkatteforvaltningensVirksomhedsregister"
      ],
      "question": "Who owns, controls, or governs a firm?",
      "entities": [
        "ejerforhold",
        "reelejerrelation",
        "legalejerrelation",
        "andendeltager",
        "fuldtansvarligdeltagerrelation",
        "ledelse",
        "ledelserelation",
        "kapitalforhold"
      ],
      "key_attributes": [
        "ejerandel",
        "stemmeandel",
        "rollebeskrivelse",
        "CVREnhedsId"
      ],
      "services": {
        "graphql": "/assets/source-manifests/datafordeler/datafordeler.graphql.services.manifest.v1.json",
        "source_manifest": "/assets/source-manifests/datafordeler/cvr.source.manifest.v1.json",
        "semantic_map": "/assets/source-manifests/datafordeler/cvr.semantic.entity-attribute-map.v1.json"
      },
      "tags": [],
      "threads": []
    },
    {
      "id": "business-financials",
      "title": "Economics and Employment",
      "path": "/Leaves/business-financials",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_socioeconomic",
      "primary_collection": "CentraleVirksomhedsregister",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/CentraleVirksomhedsregister/",
      "realisations": [
        "CentraleVirksomhedsregister",
        "DanmarksStatistik",
        "SkatteforvaltningensVirksomhedsregister"
      ],
      "question": "What are the economic and employment characteristics of a firm or establishment?",
      "entities": [
        "regnskab",
        "revision",
        "revisorrelation",
        "finansiel",
        "stadfæstelse",
        "Beskaeftigelse",
        "Kreditoplysninger"
      ],
      "key_attributes": [
        "omsaetning",
        "bruttofortjeneste",
        "resultatfoerskat",
        "balancesum",
        "ansatte",
        "aarsvaerk"
      ],
      "services": {
        "graphql": "/assets/source-manifests/datafordeler/datafordeler.graphql.services.manifest.v1.json",
        "source_manifest": "/assets/source-manifests/datafordeler/cvr.source.manifest.v1.json",
        "semantic_map": "/assets/source-manifests/datafordeler/cvr.semantic.entity-attribute-map.v1.json"
      },
      "tags": [],
      "threads": []
    },
    {
      "id": "addresses",
      "title": "Addresses",
      "path": "/Leaves/addresses",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "DanmarksAdresser",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/DanmarksAdresser/",
      "realisations": [
        "DanmarksAdresser",
        "OpenStreetMap",
        "BygningerOgBoliger"
      ],
      "question": "Where is a property located by its official address?",
      "entities": [
        "adresse",
        "adressepunkt",
        "husnummer",
        "navngivenvej",
        "postnummer"
      ],
      "key_attributes": [
        "adressebetegnelse",
        "husnummertekst",
        "postnr",
        "postnrnavn",
        "etage",
        "doer"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "buildings",
      "title": "Buildings",
      "path": "/Leaves/buildings",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_infrastructure",
      "primary_collection": "BygningerOgBoliger",
      "realisations": [
        "BygningerOgBoliger",
        "GeoDanmark",
        "OpenStreetMap"
      ],
      "question": "What buildings exist at a location and what are their characteristics?",
      "entities": [
        "bygning",
        "enhed",
        "etage",
        "opgang",
        "grund",
        "tekniskanlæg"
      ],
      "key_attributes": [
        "byg_anvendelse",
        "byg_opfoerelsesaar",
        "byg_areal",
        "byg_antal_etager",
        "byg_varmeinstallation"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "administrative-units",
      "title": "Administrative Units",
      "path": "/Leaves/administrative-units",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "DAGI",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/DAGI/",
      "realisations": [
        "DAGI",
        "OpenStreetMap",
        "GeoDanmark"
      ],
      "question": "Which administrative area does a location belong to?",
      "entities": [
        "kommune",
        "region",
        "sogn",
        "retskreds",
        "politikreds",
        "opstillingskreds",
        "afstemningsomraade"
      ],
      "key_attributes": [
        "kommunekode",
        "regionskode",
        "navn",
        "geometri"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "cadastral-parcels",
      "title": "Cadastral Parcels",
      "path": "/Leaves/cadastral-parcels",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "Matrikel",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/Matrikel/",
      "realisations": [
        "Matrikel",
        "Ejerfortegnelsen",
        "BygningerOgBoliger"
      ],
      "question": "What are the legal boundaries and ownership of land?",
      "entities": [
        "jordstykke",
        "matrikelnummer",
        "ejerlav",
        "skelforretning"
      ],
      "key_attributes": [
        "matrikelnummer",
        "ejerlavskode",
        "registreretareal",
        "arealberegningsmetode",
        "geometri"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "geographical-names",
      "title": "Geographical Names",
      "path": "/Leaves/geographical-names",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "Stednavne",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/Stednavne/",
      "realisations": [
        "Stednavne",
        "OpenStreetMap"
      ],
      "question": "What is the official name of a place or feature?",
      "entities": [
        "stednavn",
        "stednavntype"
      ],
      "key_attributes": [
        "navn",
        "stednavntype",
        "geometri",
        "sprog"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "elevation",
      "title": "Elevation",
      "path": "/Leaves/elevation",
      "sphere": "toposphere",
      "subsphere": "toposphere_topography_bathymetry",
      "primary_collection": "DHMOprindelse",
      "realisations": [
        "DHMOprindelse",
        "Dataforsyningen",
        "Danmarks Højdemodel - Historik (2007 Højdekurver)",
        "Danmarks Højdemodel - Historik (2007 Overflademodel)",
        "Danmarks Højdemodel - Historik (2007 Punktsky)",
        "Danmarks Højdemodel - Historik (2007 Terrænmodel)",
        "Danmarks Højdemodel - Historik (2015)",
        "Danmarks Højdemodel - Højdekurver",
        "Danmarks Højdemodel - Oprindelse",
        "Danmarks Højdemodel - Overdrevet Skyggekort",
        "Danmarks Højdemodel - Overflade",
        "Danmarks Højdemodel - Punktsky",
        "Danmarks Højdemodel - Quick DHM",
        "GeoDanmark"
      ],
      "question": "What is the elevation at a given location?",
      "entities": [
        "DHM/Punktsky",
        "DHM/Terræn",
        "DHM/Overflade"
      ],
      "key_attributes": [
        "elevation_value",
        "horizontal_accuracy",
        "vertical_accuracy",
        "acquisition_date"
      ],
      "services": {},
      "tags": [
        "hydrosphere_freshwater_surface"
      ],
      "threads": [
        "elevation-to-hydrosphere-freshwater-surface"
      ]
    },
    {
      "id": "orthoimagery",
      "title": "Orthoimagery",
      "path": "/Leaves/orthoimagery",
      "sphere": "toposphere",
      "subsphere": "toposphere_remote_sensed_observations",
      "primary_collection": "GeoDanmark",
      "realisations": [
        "GeoDanmark",
        "Dataforsyningen",
        "Copernicus"
      ],
      "question": "What does the Earth's surface look like at a location?",
      "entities": [
        "orthophoto",
        "image_tile"
      ],
      "key_attributes": [
        "acquisition_date",
        "ground_resolution",
        "spectral_bands",
        "cloud_cover"
      ],
      "services": {},
      "tags": [
        "toposphere_remote_sensed_observations",
        "socio_technical_perception_thematics"
      ],
      "flow_mode": "gauge",
      "temporal_mmu": "episodic",
      "threads": [
        "orthoimagery-to-remote-sensed-observations",
        "orthoimagery-to-perception-thematics"
      ]
    },
    {
      "id": "population",
      "title": "Population",
      "path": "/Leaves/population",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_socioeconomic",
      "primary_collection": "Person",
      "realisations": [
        "Person",
        "DanmarksStatistik"
      ],
      "question": "How is the population distributed and what are its characteristics?",
      "entities": [
        "person",
        "civilstand",
        "statsborgerskab"
      ],
      "key_attributes": [
        "foedselsdato",
        "koen",
        "civilstand",
        "adresseringsnavn",
        "kommunekode"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "transport-networks",
      "title": "Transport Networks",
      "path": "/Leaves/transport-networks",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_infrastructure",
      "primary_collection": "GeoDanmark",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/GeoDanmark/",
      "realisations": [
        "GeoDanmark",
        "OpenStreetMap",
        "Vejdirektoratet"
      ],
      "question": "What transport routes and networks exist?",
      "entities": [
        "vejmidte",
        "jernbane",
        "sti",
        "faergerute",
        "lufthavn"
      ],
      "key_attributes": [
        "vejklasse",
        "vejnavn",
        "hastighed",
        "belægning",
        "geometri"
      ],
      "services": {},
      "tags": [],
      "flow_mode": "ant",
      "temporal_mmu": "stream",
      "threads": []
    },
    {
      "id": "services",
      "title": "Services and Amenities",
      "path": "/Leaves/services",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_services",
      "primary_collection": "CentraleVirksomhedsregister",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/CentraleVirksomhedsregister/",
      "realisations": [
        "CentraleVirksomhedsregister",
        "OpenStreetMap",
        "BygningerOgBoliger",
        "GeoDanmark",
        "SkatteforvaltningensVirksomhedsregister"
      ],
      "question": "What services or amenities are available at or near a location?",
      "entities": [
        "Virksomhed",
        "Produktionsenhed",
        "Branche"
      ],
      "key_attributes": [
        "branchekode",
        "branchetekst",
        "hovedbranche"
      ],
      "services": {},
      "tags": [
        "socio_technical_services"
      ],
      "threads": []
    },
    {
      "id": "bathing-water-quality",
      "title": "Bathing Water Quality",
      "path": "/Leaves/bathing-water-quality",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_freshwater_surface",
      "primary_collection": "Miljoeportalen PULS",
      "realisations": [
        "Badevand: Analyse- og Måleresultater",
        "Badevand: Kontrolstation",
        "Badevand: Stamdata"
      ],
      "question": "Is bathing water suitable and safe for human recreational use at this location and time?",
      "entities": [
        "bathing_site",
        "monitoring_station",
        "sample",
        "measurement"
      ],
      "key_attributes": [
        "sample_datetime",
        "parameter_name",
        "measured_value",
        "unit",
        "quality_class",
        "risk_flag"
      ],
      "services": {},
      "tags": [
        "hydrosphere_freshwater_surface",
        "hydrosphere_contaminants",
        "socio_technical_contaminants",
        "socio_technical_hazard_vulnerability_risk",
        "socio_technical_services"
      ],
      "twig_membership": [
        "hydrosphere_freshwater_surface",
        "hydrosphere_contaminants",
        "socio_technical_contaminants",
        "socio_technical_hazard_vulnerability_risk",
        "socio_technical_services"
      ],
      "primary_lens": "hydrosphere_freshwater_surface",
      "flow_mode": "gauge",
      "temporal_mmu": "stream",
      "threads": [
        "bathing-water-quality-hydrosphere-freshwater",
        "bathing-water-quality-hydrosphere-contaminants",
        "bathing-water-quality-socio-contaminants",
        "bathing-water-quality-hvr",
        "bathing-water-quality-services"
      ]
    },
    {
      "id": "freshwater-bodies",
      "title": "Surface Freshwater Bodies",
      "path": "/Leaves/freshwater-bodies",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_freshwater_surface",
      "primary_collection": "VP3 - Afgrænsning. Vandløb",
      "realisations": [
        "VP3 - Afgrænsning. Vandløb",
        "VP3 - Afgrænsning. Søer",
        "GeoDanmark"
      ],
      "question": "Which river, lake, wetland, or catchment is this location part of?",
      "entities": [
        "watercourse",
        "lake",
        "wetland",
        "catchment",
        "water_body"
      ],
      "key_attributes": [
        "water_body_id",
        "water_body_type",
        "hydrological_district",
        "ecological_status",
        "plan_cycle"
      ],
      "services": {},
      "tags": [
        "hydrosphere_freshwater_surface"
      ],
      "threads": []
    },
    {
      "id": "groundwater-bodies",
      "title": "Groundwater Bodies",
      "path": "/Leaves/groundwater-bodies",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_groundwater",
      "primary_collection": "VP3 - Afgrænsning. Grundvand, terrænnære forekomster",
      "realisations": [
        "VP3 - Afgrænsning. Grundvand, terrænnære forekomster",
        "VP3 - Afgrænsning. Grundvand, regionale forekomster",
        "VP3 - Afgrænsning. Grundvand, dybe forekomster"
      ],
      "question": "Which groundwater body or aquifer is present here, and what status applies?",
      "entities": [
        "groundwater_body",
        "aquifer",
        "drinking_water_body",
        "monitoring_zone"
      ],
      "key_attributes": [
        "groundwater_body_id",
        "body_class",
        "chemical_status",
        "quantitative_status",
        "plan_cycle"
      ],
      "services": {},
      "tags": [
        "hydrosphere_groundwater"
      ],
      "threads": []
    },
    {
      "id": "marine-waters",
      "title": "Marine and Coastal Waters",
      "path": "/Leaves/marine-waters",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_marine",
      "primary_collection": "VP3 - Afgrænsning. Kystvande",
      "realisations": [
        "VP3 - Afgrænsning. Kystvande",
        "Ålegræs Marin",
        "Bundfauna Marin"
      ],
      "question": "Which coastal or marine water body is this location part of, and what condition applies?",
      "entities": [
        "coastal_water_body",
        "marine_area",
        "fjord",
        "marine_monitoring_zone"
      ],
      "key_attributes": [
        "water_body_id",
        "marine_zone_type",
        "ecological_status",
        "chemical_status",
        "plan_cycle"
      ],
      "services": {},
      "tags": [
        "hydrosphere_marine"
      ],
      "threads": []
    },
    {
      "id": "aquaculture-sites",
      "title": "Aquaculture Sites",
      "path": "/Leaves/aquaculture-sites",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_resource_utilisation",
      "primary_collection": "Akvakulturanlæg: Stamdata",
      "realisations": [
        "Akvakultur: Fiskeopdræt",
        "Akvakultur: Skaldyrsopdræt",
        "Akvakulturanlæg: Stamdata"
      ],
      "question": "Where are aquaculture activities located, and what production or discharge characteristics are reported there?",
      "entities": [
        "aquaculture_site",
        "intake_point",
        "outlet_point",
        "measurement_station"
      ],
      "key_attributes": [
        "site_id",
        "production_type",
        "species_group",
        "discharge_indicator",
        "measurement_datetime"
      ],
      "services": {},
      "tags": [
        "socio_technical_resource_utilisation"
      ],
      "threads": []
    },
    {
      "id": "species-observations",
      "title": "Species Observations",
      "path": "/Leaves/species-observations",
      "sphere": "biosphere",
      "subsphere": "biosphere_ecosystems",
      "primary_collection": "Alle fund fra Arter.dk",
      "realisations": [
        "Alle fund fra Arter.dk",
        "Alle fund fra Arter.dk, historiske",
        "Arter Resultat",
        "Artsfund i Naturdatabasen (Darwin Core)",
        "Fund af arter på Habitatdirektivets bilag IV fra Arter.dk"
      ],
      "question": "Which species have been observed at this location, and when were they recorded?",
      "entities": [
        "observation",
        "taxon",
        "observer",
        "observation_location"
      ],
      "key_attributes": [
        "observation_id",
        "taxon_name",
        "taxon_group",
        "observation_datetime",
        "observation_method"
      ],
      "services": {},
      "tags": [
        "biosphere_ecosystems"
      ],
      "threads": []
    },
    {
      "id": "groundwater-chemistry",
      "title": "Groundwater Chemistry",
      "path": "/Leaves/groundwater-chemistry",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_groundwater",
      "primary_collection": "VP3 - Aluminium. Kemisk tilstand og trends. Terrænnære grundvandsforekomster",
      "realisations": [
        "VP3 - Aluminium. Kemisk tilstand og trends. Terrænnære grundvandsforekomster",
        "VP3 - Arsen. Kemisk tilstand og trends. Regionale grundvandsforekomster",
        "VP3 - Bly. Kemisk tilstand og trends. Dybe grundvandsforekomster"
      ],
      "question": "What is the chemical status of groundwater in this area, and which substances drive trends or exceedances?",
      "entities": [
        "groundwater_body",
        "chemical_indicator",
        "trend_assessment",
        "monitoring_result"
      ],
      "key_attributes": [
        "groundwater_body_id",
        "substance_name",
        "chemical_status",
        "trend_direction",
        "assessment_period"
      ],
      "services": {},
      "tags": [
        "hydrosphere_groundwater"
      ],
      "threads": []
    },
    {
      "id": "land-use-agriculture",
      "title": "Agricultural Land Management",
      "path": "/Leaves/land-use-agriculture",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_resource_utilisation",
      "primary_collection": "Arealanvendelse, landbrug, 2024",
      "realisations": [
        "Arealanvendelse, landbrug, 2024",
        "Markudledningskort 2025",
        "Økologiske marker 2023",
        "GeoDanmark"
      ],
      "question": "Which agricultural management patterns and production-use classes apply in this area?",
      "entities": [
        "agricultural_management_unit",
        "agricultural_parcel",
        "nutrient_pressure_zone",
        "cultivation_regime"
      ],
      "key_attributes": [
        "crop_use_class",
        "cultivation_regime",
        "nutrient_pressure_class",
        "management_period",
        "reporting_year"
      ],
      "services": {},
      "tags": [
        "socio_technical_resource_utilisation"
      ],
      "threads": []
    },
    {
      "id": "nature-protection-areas",
      "title": "Nature Protection Areas",
      "path": "/Leaves/nature-protection-areas",
      "sphere": "biosphere",
      "subsphere": "biosphere_conservation",
      "primary_collection": "Beskyttede naturtyper",
      "realisations": [
        "Beskyttede naturtyper",
        "Beskyttede vandløb",
        "Åbeskyttelseslinjer",
        "NP3 - Arealer med invasive arter (2016-2019)"
      ],
      "question": "Which nature protection designations or restrictions apply at this location?",
      "entities": [
        "protected_area",
        "protection_line",
        "protected_watercourse",
        "restricted_zone"
      ],
      "key_attributes": [
        "designation_id",
        "designation_type",
        "legal_basis",
        "restriction_class",
        "validity_period"
      ],
      "services": {},
      "tags": [
        "biosphere_conservation"
      ],
      "threads": []
    },
    {
      "id": "fisheries-intensity",
      "title": "Fisheries Intensity",
      "path": "/Leaves/fisheries-intensity",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_resource_utilisation",
      "primary_collection": "VP3 - Analyseret fiskeriintensitet 2013-2018",
      "realisations": [
        "VP3 - Analyseret fiskeriintensitet 2013-2018",
        "NP3 - AIS Garn",
        "NP3 - AIS Pelagiske redskaber"
      ],
      "question": "What fishing effort and gear activity occur in this marine area, and how does it relate to ecosystem pressure and regulation?",
      "entities": [
        "fishing_effort_zone",
        "vessel_activity_track",
        "gear_activity_class",
        "marine_management_area"
      ],
      "key_attributes": [
        "fishing_effort_index",
        "gear_type",
        "effort_period",
        "marine_area_id",
        "pressure_signal"
      ],
      "services": {},
      "tags": [
        "socio_technical_resource_utilisation",
        "socio_technical_governance",
        "biosphere_ecosystems"
      ],
      "flow_mode": "ant",
      "temporal_mmu": "episodic",
      "threads": [
        "fisheries-intensity-to-governance",
        "fisheries-intensity-to-biosphere-ecosystems"
      ]
    },
    {
      "id": "habitat-condition",
      "title": "Habitat Condition",
      "path": "/Leaves/habitat-condition",
      "sphere": "biosphere",
      "subsphere": "biosphere_ecosystems",
      "primary_collection": "NP3 - Lysåbne naturtyper (2016-2019) - Naturtilstand",
      "realisations": [
        "NP3 - Lysåbne naturtyper (2016-2019) - Naturtilstand",
        "Biodiversitetskortet - Habitatnatur",
        "Biodiversitetskortet - Bioscore",
        "HNV 2019, værdi 1-4",
        "HNV 2019, værdi 5-13",
        "HNV 2020 - hele landet",
        "HNV 2020, værdi 1-4",
        "HNV 2020, værdi 5-13",
        "HNV 2021 - hele landet",
        "HNV 2021 - udbredelse 1",
        "HNV 2021 - udbredelse 2",
        "HNV 2021 - udbredelse 3",
        "HNV 2021 - udbredelse 4",
        "HNV 2021, værdi 5-13",
        "HNV 2022, værdi 1-4",
        "HNV 2022, værdi 5-13",
        "HNV 2023, værdi 1-4",
        "HNV 2023, værdi 5-13",
        "HNV 2024, værdi 1-4",
        "HNV 2024, værdi 5-13",
        "HNV 2025, værdi 1-4",
        "HNV 2025, værdi 5-13",
        "HNV - Skov Arter",
        "HNV - Skov proxy",
        "Kategori 1 - Habitatnatur",
        "Kategori 1 – Heder og overdrev",
        "Kategori 2 - Heder og overdrev",
        "Kategori 2 - Lobeliesøer og højmoser",
        "Kategori 3 - Heder - moser og overdrev",
        "Gammel skovjordbund",
        "Naturmæssig særlig værdifuld skov",
        "Naturmæssigt særlig værdifuld skov på offentlige arealer (§25-skov)",
        "Naturmæssigt særlig værdifuld skov på private arealer (§25-skov)",
        "Kategori 3-natur potentiel ammoniakfølsom skov",
        "Potentiel Ammoniakfølsom skov – Gammel skovjordbund",
        "Potentiel Ammoniakfølsom skov – Naturmæssig særlig værdifuld skov",
        "Potentiel Ammoniakfølsom skov – Naturlig lysåben tilgroet areal"
      ],
      "question": "What ecological condition or quality is reported for the habitat at this location?",
      "entities": [
        "habitat_condition_assessment",
        "ecological_indicator",
        "quality_class",
        "assessment_unit"
      ],
      "key_attributes": [
        "condition_class",
        "indicator_name",
        "assessment_period",
        "habitat_reference",
        "ecological_quality_signal"
      ],
      "services": {},
      "tags": [
        "biosphere_ecosystems"
      ],
      "threads": []
    },
    {
      "id": "habitat-extent",
      "title": "Habitat Extent",
      "path": "/Leaves/habitat-extent",
      "sphere": "biosphere",
      "subsphere": "biosphere_ecosystems",
      "primary_collection": "Kortlægning af naturtyper - flader​",
      "realisations": [
        "Kortlægning af naturtyper - flader​",
        "Biodiversitetskortet - Kortlagt natur",
        "EU Sea Map 2023: Bentiske habitater",
        "GeoDanmark"
      ],
      "question": "Which habitat and nature-type areas are mapped at this location?",
      "entities": [
        "habitat_area",
        "nature_type_polygon",
        "mapped_levested",
        "ecosystem_unit"
      ],
      "key_attributes": [
        "habitat_type_code",
        "nature_type_name",
        "mapping_method",
        "mapping_period",
        "geometry_confidence"
      ],
      "services": {},
      "tags": [
        "biosphere_ecosystems"
      ],
      "threads": []
    },
    {
      "id": "biodiversity-priority-indicators",
      "title": "Biodiversity Priority Indicators",
      "path": "/Leaves/biodiversity-priority-indicators",
      "sphere": "biosphere",
      "subsphere": "biosphere_ecosystems",
      "primary_collection": "Biodiversitetskortet - National prioritering",
      "realisations": [
        "Biodiversitetskortet - Antal truede arter i 10km kvadrat",
        "Biodiversitetskortet - National prioritering",
        "Biodiversitetskortet - Kvælstofdeposition"
      ],
      "question": "How is this area prioritized for biodiversity action, and which indicators drive that priority?",
      "entities": [
        "biodiversity_indicator_cell",
        "priority_area",
        "pressure_indicator",
        "scoring_unit"
      ],
      "key_attributes": [
        "indicator_name",
        "indicator_score",
        "priority_class",
        "reference_grid",
        "assessment_year"
      ],
      "services": {},
      "tags": [
        "biosphere_ecosystems"
      ],
      "threads": []
    },
    {
      "id": "coastal-erosion-risk",
      "title": "Coastal Erosion Risk",
      "path": "/Leaves/coastal-erosion-risk",
      "sphere": "lithosphere",
      "subsphere": "lithosphere_hazards",
      "primary_collection": "Akut erosion, detaljeret",
      "realisations": [
        "Akut erosion, detaljeret",
        "Akut erosion, forenklet",
        "Kystbeskyttelsesanlæg",
        "GeoDanmark"
      ],
      "question": "Where is coastal erosion risk highest, and how severe is the expected shoreline impact?",
      "entities": [
        "erosion_zone",
        "shoreline_segment",
        "risk_class_area",
        "protection_structure"
      ],
      "key_attributes": [
        "erosion_risk_class",
        "shoreline_change_signal",
        "assessment_scale",
        "hazard_period",
        "intervention_indicator"
      ],
      "services": {},
      "tags": [
        "lithosphere_hazards"
      ],
      "threads": []
    },
    {
      "id": "hydrological-basin-delineations",
      "title": "Hydrological Basin Delineations",
      "path": "/Leaves/hydrological-basin-delineations",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_freshwater_surface",
      "primary_collection": "VP3 - Afgrænsning af hovedvandoplande",
      "realisations": [
        "VP3 - Afgrænsning af hovedvandoplande",
        "VP3 - Afgrænsning af kystvandoplande",
        "Kystvandoplande"
      ],
      "question": "Which basin or sub-basin does this location belong to in water-management planning?",
      "entities": [
        "basin_unit",
        "sub_basin_unit",
        "catchment_boundary",
        "planning_district"
      ],
      "key_attributes": [
        "basin_id",
        "basin_type",
        "plan_cycle",
        "district_reference",
        "outlet_context"
      ],
      "services": {},
      "tags": [
        "hydrosphere_freshwater_surface"
      ],
      "threads": []
    },
    {
      "id": "marine-spatial-infrastructure",
      "title": "Marine Spatial Infrastructure",
      "path": "/Leaves/marine-spatial-infrastructure",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_infrastructure",
      "primary_collection": "Anlæg på søterritoriet (flade)",
      "realisations": [
        "Anlæg på søterritoriet (flade)",
        "Anlæg på søterritoriet (linje)",
        "Dumpet ammunition (punkter)",
        "GeoDanmark",
        "BygningerOgBoliger"
      ],
      "question": "Which marine installations or constrained-use structures are present in this sea area?",
      "entities": [
        "marine_installation",
        "sea_territory_structure",
        "maritime_constraint_zone",
        "hazard_site"
      ],
      "key_attributes": [
        "installation_type",
        "permit_context",
        "geometry_type",
        "marine_zone_reference",
        "restriction_signal"
      ],
      "services": {},
      "tags": [
        "socio_technical_infrastructure"
      ],
      "threads": []
    },
    {
      "id": "planning-zoning-decisions",
      "title": "Planning and Zoning Decisions",
      "path": "/Leaves/planning-zoning-decisions",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "Afgrænsning af CPH Roskilde (Fingerplan)",
      "realisations": [
        "Afgrænsning af CPH Roskilde (Fingerplan)",
        "Beslutning om tilbageførsel til landzone",
        "Byggefelt, vedtaget"
      ],
      "question": "Which planning or zoning decisions apply here, and what constraints do they impose?",
      "entities": [
        "planning_zone",
        "zoning_decision",
        "regulated_area",
        "planning_constraint"
      ],
      "key_attributes": [
        "planning_id",
        "zoning_type",
        "legal_basis",
        "decision_status",
        "validity_period"
      ],
      "services": {},
      "tags": [
        "socio_technical_governance"
      ],
      "threads": []
    },
    {
      "id": "protected-water-use-zones",
      "title": "Protected Water Use Zones",
      "path": "/Leaves/protected-water-use-zones",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_contaminants",
      "primary_collection": "VP3 - Nitratfølsomme indvindingsområder brugt i Vandområdeplaner 2021-2027",
      "realisations": [
        "VP3 - Nitratfølsomme indvindingsområder brugt i Vandområdeplaner 2021-2027",
        "VP3 - Skaldyrvande",
        "Boringsnære beskyttelsesområder, vedtaget (MST)"
      ],
      "question": "Which protected-use water zones apply here, and what protection objective do they represent?",
      "entities": [
        "protection_zone",
        "groundwater_protection_area",
        "shellfish_water_area",
        "designated_use_area"
      ],
      "key_attributes": [
        "zone_type",
        "protection_target",
        "legal_designation",
        "plan_cycle",
        "status"
      ],
      "services": {},
      "tags": [
        "hydrosphere_contaminants"
      ],
      "threads": []
    },
    {
      "id": "species-conservation-concern",
      "title": "Species of Conservation Concern",
      "path": "/Leaves/species-conservation-concern",
      "sphere": "biosphere",
      "subsphere": "Fauna",
      "primary_collection": "Habitatdirektivets bilagsarter",
      "realisations": [
        "Habitatdirektivets bilagsarter",
        "Danmarks internationalt vigtige fugleområder (IBA’er)",
        "NP3 - Bechsteins flagermus"
      ],
      "question": "Which protected or conservation-priority species are documented here?",
      "entities": [
        "protected_species_record",
        "species_occurrence",
        "conservation_area_reference",
        "species_group_indicator"
      ],
      "key_attributes": [
        "species_name",
        "protection_basis",
        "observation_status",
        "area_reference",
        "evidence_source"
      ],
      "services": {},
      "tags": [
        "biosphere_ecosystems"
      ],
      "threads": []
    },
    {
      "id": "surface-flow-systems",
      "title": "Surface Flow Systems",
      "path": "/Leaves/surface-flow-systems",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_freshwater_surface",
      "primary_collection": "VP3 - Afgrænsning af hovedvandoplande",
      "realisations": [
        "Bluespot (lavninger) 0 mm",
        "VP3 - Afgrænsning af hovedvandoplande",
        "VP3 - Afgrænsning af kystvandoplande",
        "GeoDanmark"
      ],
      "question": "How does water move and accumulate on the surface here, including depressions, flooding, and catchment context?",
      "entities": [
        "surface_flow_path",
        "flood_depression",
        "runoff_catchment",
        "flood_accumulation_zone"
      ],
      "key_attributes": [
        "flow_direction",
        "accumulation_signal",
        "catchment_id",
        "flood_threshold",
        "event_context"
      ],
      "services": {},
      "tags": [
        "hydrosphere_freshwater_surface"
      ],
      "threads": []
    },
    {
      "id": "geological-strata",
      "title": "Geological Strata",
      "path": "/Leaves/geological-strata",
      "sphere": "lithosphere",
      "subsphere": "lithosphere_geology",
      "primary_collection": "Danmarks undergrund",
      "realisations": [
        "Danmarks undergrund",
        "Havbundsgeologi, Kvartær, Litologi",
        "Havbundsgeologi, Præ-kvartær, Forkastninger"
      ],
      "question": "Which geological strata and subsurface structures are present here, and how do they frame subsurface interpretation?",
      "entities": [
        "stratigraphic_unit",
        "lithological_unit",
        "fault_structure",
        "geological_layer"
      ],
      "key_attributes": [
        "stratigraphy_code",
        "lithology_class",
        "structural_feature",
        "geological_age",
        "depth_reference"
      ],
      "services": {},
      "tags": [
        "lithosphere_geology"
      ],
      "threads": []
    },
    {
      "id": "subsurface-freshwater",
      "title": "Subsurface Freshwater",
      "path": "/Leaves/subsurface-freshwater",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_groundwater",
      "primary_collection": "Boringer (Jupiter)",
      "realisations": [
        "Boringer (Jupiter)",
        "Drikkevandets hårdhed",
        "Feltmåling Grundvand"
      ],
      "question": "What do boreholes reveal about subsurface freshwater chemistry and aquifer behavior here?",
      "entities": [
        "borehole_record",
        "groundwater_chemistry_profile",
        "aquifer_interval",
        "monitoring_point"
      ],
      "key_attributes": [
        "borehole_id",
        "depth_interval",
        "chemistry_parameter",
        "groundwater_level_signal",
        "aquifer_context"
      ],
      "services": {},
      "tags": [
        "hydrosphere_groundwater"
      ],
      "threads": []
    },
    {
      "id": "atmospheric-deposition-emissions",
      "title": "Atmospheric Deposition and Emissions",
      "path": "/Leaves/atmospheric-deposition-emissions",
      "sphere": "atmosphere",
      "subsphere": "Atmospheric_chemistry",
      "primary_collection": "Samlet deposition af kvælstof, 2023",
      "realisations": [
        "Samlet deposition af kvælstof, 2023",
        "Deposition af svovl (S), 2023",
        "Årlig emission af kvælstofoxider (NOx), 2022"
      ],
      "question": "What atmospheric emissions and deposition loads are modeled for this area?",
      "entities": [
        "deposition_grid_cell",
        "emissions_grid_cell",
        "pollutant_load_surface",
        "atmospheric_pressure_indicator"
      ],
      "key_attributes": [
        "pollutant_species",
        "annual_load_or_emission",
        "modeled_time_period",
        "grid_resolution",
        "model_reference"
      ],
      "services": {},
      "tags": [
        "atmospheric_chemistry"
      ],
      "threads": []
    },
    {
      "id": "nautical-traffic",
      "title": "Nautical Traffic",
      "path": "/Leaves/nautical-traffic",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_infrastructure",
      "primary_collection": "Skibstrafik, Årligt gennemsnit, Alle skibstyper",
      "realisations": [
        "Skibstrafik, Årligt gennemsnit, Alle skibstyper",
        "Skibstrafik, Årligt gennemsnit, Fragtskibe",
        "Hovedhavne (Skibstrafik efter type 1997-2023)"
      ],
      "question": "What vessel traffic patterns are present here, and how intense is maritime movement over time?",
      "entities": [
        "vessel_traffic_grid",
        "shipping_route_intensity",
        "harbor_traffic_node",
        "vessel_class_distribution"
      ],
      "key_attributes": [
        "vessel_class",
        "traffic_intensity",
        "temporal_aggregation",
        "harbor_or_sea_zone",
        "reporting_period"
      ],
      "services": {},
      "tags": [
        "socio_technical_infrastructure"
      ],
      "threads": []
    },
    {
      "id": "soil-properties",
      "title": "Soil Properties",
      "path": "/Leaves/soil-properties",
      "sphere": "lithosphere",
      "subsphere": "Lithosphere_soils",
      "primary_collection": "Jordbundskort 2019",
      "realisations": [
        "Jordbundskort 2019",
        "Jordbundstyper",
        "Jordartskort 1:25 000"
      ],
      "question": "What soil types and near-surface soil properties characterize this area?",
      "entities": [
        "soil_unit",
        "soil_texture_class",
        "pedological_zone",
        "near_surface_soil_layer"
      ],
      "key_attributes": [
        "soil_type_class",
        "texture_or_jb_class",
        "organic_content_proxy",
        "mapped_depth_context",
        "mapping_vintage"
      ],
      "services": {},
      "tags": [
        "lithosphere_soils"
      ],
      "threads": []
    },
    {
      "id": "spill-pollution-incidents",
      "title": "Spill and Pollution Incidents",
      "path": "/Leaves/spill-pollution-incidents",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "VP3 - Jordforureninger brugt i Vandområdeplaner 2021-2027",
      "realisations": [
        "Dumpet ammunition (flader)",
        "Dumpet ammunition (punkter)",
        "VP3 - Jordforureninger brugt i Vandområdeplaner 2021-2027"
      ],
      "question": "Which spill, contamination, or hazardous discharge signals are reported for this area?",
      "entities": [
        "contamination_site",
        "hazardous_material_zone",
        "pollution_incident_indicator",
        "discharge_risk_area"
      ],
      "key_attributes": [
        "contamination_type",
        "pollutant_or_hazard_class",
        "monitoring_or_plan_context",
        "risk_or_status_class",
        "reporting_period"
      ],
      "services": {},
      "tags": [
        "socio_technical_governance"
      ],
      "threads": []
    },
    {
      "id": "energy-infrastructure",
      "title": "Energy Infrastructure",
      "path": "/Leaves/energy-infrastructure",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_infrastructure",
      "primary_collection": "Eksisterende vindmølle",
      "realisations": [
        "Eksisterende vindmølle",
        "El Kabel-trace",
        "Gastransmissionsledning 80 bar",
        "Solcelleanlæg på kommuneniveau (2024)",
        "Solcelleanlæg primo 2018",
        "Solcelleanlæg primo 2019",
        "Solcelleanlæg primo 2020",
        "Solcelleanlæg primo 2021",
        "Solcelleanlæg primo 2022",
        "Solcelleanlæg primo 2023",
        "Store solcelleanlæg",
        "Solfangeranlæg - solceller, el",
        "Solfangeranlæg - solfanger, varme",
        "GeoDanmark",
        "BygningerOgBoliger"
      ],
      "question": "Which energy infrastructures are present here, and what operational or planning constraints apply to them?",
      "entities": [
        "energy_installation",
        "transmission_corridor",
        "energy_siting_zone",
        "generation_asset"
      ],
      "key_attributes": [
        "infrastructure_type",
        "energy_carrier",
        "capacity_or_voltage_class",
        "siting_constraint_type",
        "operational_status",
        "operator_reference"
      ],
      "services": {},
      "tags": [
        "socio_technical_infrastructure"
      ],
      "threads": []
    },
    {
      "id": "flood-hazard-inundation",
      "title": "Flood Hazard and Inundation",
      "path": "/Leaves/flood-hazard-inundation",
      "sphere": "hydrosphere",
      "subsphere": "hydrosphere_flooding",
      "primary_collection": "Hydrologisk Højdemodel - Havvand på Land",
      "realisations": [
        "Havvand på land. 0 m",
        "Hydrologisk Højdemodel - Havvand på Land",
        "INSPIRE_FloodAreas_2016_2021_100aar",
        "GeoDanmark"
      ],
      "question": "Which areas are exposed to flooding or inundation here, and under what scenario or return period?",
      "entities": [
        "inundation_area",
        "flood_scenario_surface",
        "flood_risk_zone",
        "flood_management_unit"
      ],
      "key_attributes": [
        "flood_driver",
        "scenario_threshold",
        "return_period",
        "flood_extent_class",
        "management_context"
      ],
      "services": {},
      "tags": [
        "hydrosphere_flooding"
      ],
      "threads": []
    },
    {
      "id": "geodetic-control-points",
      "title": "Geodetic Control Points",
      "path": "/Leaves/geodetic-control-points",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "Fikspunkter",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/Fikspunkter/",
      "realisations": [
        "Fikspunkter"
      ],
      "question": "Where are the geodetic control points, and what coordinates and accuracy do they define?",
      "entities": [
        "PlanfikspunktDanmark",
        "HøjdefikspunktDanmark",
        "FikspunktSys34",
        "HøjdefikspunktDNN"
      ],
      "key_attributes": [
        "fikspunktsnummer",
        "northing",
        "easting",
        "kote",
        "klasse",
        "koteklasse",
        "maalemetode",
        "middelfejl"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "historical-map-sheets",
      "title": "Historical Map Sheets",
      "path": "/Leaves/historical-map-sheets",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_governance",
      "primary_collection": "HistoriskeKortbladsinddelinger",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/HistoriskeKortbladsinddelinger/",
      "realisations": [
        "HistoriskeKortbladsinddelinger"
      ],
      "question": "Which historical map sheet covers this location, and what cartographic source does it represent?",
      "entities": [
        "HISTKORT_Kortbladsinddeling"
      ],
      "key_attributes": [
        "kortbladnummer",
        "kortvaerk",
        "maalestok",
        "maalt_aar",
        "udgivet_aar",
        "HKPNlink",
        "orginalkortprojektion"
      ],
      "services": {},
      "tags": [],
      "threads": []
    },
    {
      "id": "property-valuation",
      "title": "Property Valuation",
      "path": "/Leaves/property-valuation",
      "sphere": "socio-technical",
      "subsphere": "Socio_technical_socioeconomic",
      "primary_collection": "Ejendomsvurdering",
      "primary_collection_path": "/Datasets-by-Collection/Grunddatamodellen/Ejendomsvurdering/",
      "realisations": [
        "Ejendomsvurdering",
        "Matrikel"
      ],
      "question": "What is the official assessed value of a property?",
      "entities": [
        "VUR_Ejendomsvurdering",
        "VUR_Vurderingsejendom",
        "VUR_BFEKrydsreference",
        "VUR_Fordeling",
        "VUR_Grundvaerdispecifikation"
      ],
      "key_attributes": [
        "ejendomvaerdiBeloeb",
        "grundvaerdiBeloeb",
        "aar",
        "benyttelseKode",
        "BFEnummer",
        "ESRejendomsnummer"
      ],
      "services": {},
      "tags": [],
      "threads": [
        "valuation-to-cadastral-parcels"
      ]
    }
  ],
  "threads": [
    {
      "id": "bathing-water-quality-hydrosphere-freshwater",
      "leaf": "bathing-water-quality",
      "twig": "hydrosphere_freshwater_surface",
      "relation_type": "core_water_body_context",
      "question": "Which freshwater surface context does this site belong to?",
      "rationale": "Bathing suitability is interpreted against the local freshwater surface context and station placement."
    },
    {
      "id": "bathing-water-quality-hydrosphere-contaminants",
      "leaf": "bathing-water-quality",
      "twig": "hydrosphere_contaminants",
      "relation_type": "water_quality_measurement",
      "question": "Which contamination measurements determine suitability?",
      "rationale": "Measured parameters in water are direct inputs to bathing quality status."
    },
    {
      "id": "bathing-water-quality-socio-contaminants",
      "leaf": "bathing-water-quality",
      "twig": "socio_technical_contaminants",
      "relation_type": "human_exposure_signal",
      "question": "What do measurements imply for human exposure?",
      "rationale": "Water contamination measurements are interpreted as potential human exposure during bathing."
    },
    {
      "id": "bathing-water-quality-hvr",
      "leaf": "bathing-water-quality",
      "twig": "socio_technical_hazard_vulnerability_risk",
      "relation_type": "risk_classification_input",
      "question": "Should this site be flagged for risk communication?",
      "rationale": "Suitability classes and thresholds support public risk messaging and advisories."
    },
    {
      "id": "bathing-water-quality-services",
      "leaf": "bathing-water-quality",
      "twig": "socio_technical_services",
      "relation_type": "service_suitability",
      "question": "Is the bathing service usable at this time?",
      "rationale": "Bathing quality status directly affects recreational service availability."
    },
    {
      "id": "economic-activities-to-biosphere-ecosystems",
      "leaf": "economic-activities",
      "twig": "biosphere_ecosystems",
      "relation_type": "cross_twig_relevance",
      "question": "How does economic activity connect to ecosystem conditions?",
      "rationale": "Industry codes can signal pressures and impacts on ecosystems."
    },
    {
      "id": "economic-activities-to-perception-thematics",
      "leaf": "economic-activities",
      "twig": "socio_technical_perception_thematics",
      "relation_type": "cross_twig_relevance",
      "question": "How does economic activity connect to land use and cover patterns?",
      "rationale": "Industry composition often correlates with classified land use patterns."
    },
    {
      "id": "business-locations-to-topography",
      "leaf": "business-locations",
      "twig": "toposphere_topography_bathymetry",
      "relation_type": "cross_twig_relevance",
      "question": "How do business locations connect to terrain context?",
      "rationale": "Terrain and elevation influence accessibility and hazard exposure of business sites."
    },
    {
      "id": "business-locations-to-perception-thematics",
      "leaf": "business-locations",
      "twig": "socio_technical_perception_thematics",
      "relation_type": "cross_twig_relevance",
      "question": "How do business locations connect to land use patterns?",
      "rationale": "Business clusters align with urban and industrial land use categories."
    },
    {
      "id": "elevation-to-hydrosphere-freshwater-surface",
      "leaf": "elevation",
      "twig": "hydrosphere_freshwater_surface",
      "relation_type": "cross_twig_relevance",
      "question": "How does elevation connect to surface water behavior?",
      "rationale": "Elevation gradients govern runoff and flow paths in freshwater systems."
    },
    {
      "id": "orthoimagery-to-perception-thematics",
      "leaf": "orthoimagery",
      "twig": "socio_technical_perception_thematics",
      "relation_type": "cross_twig_relevance",
      "question": "How does orthoimagery connect to classified land cover products?",
      "rationale": "Classified land cover is commonly derived from orthoimagery inputs."
    },
    {
      "id": "orthoimagery-to-remote-sensed-observations",
      "leaf": "orthoimagery",
      "twig": "toposphere_remote_sensed_observations",
      "source": "orthoimagery",
      "predicate": "is_primary_evidence_for",
      "target": "toposphere_remote_sensed_observations",
      "relation_type": "primary_twig_membership",
      "question": "How does orthoimagery function as remote-sensed evidence?",
      "rationale": "Orthoimagery is a direct observational record of the Earth's surface — the canonical data type for the Remote Sensed Observations twig."
    },
    {
      "id": "fisheries-intensity-to-governance",
      "leaf": "fisheries-intensity",
      "twig": "socio_technical_governance",
      "relation_type": "regulatory_management_context",
      "question": "How does observed fisheries effort connect to zoning rules and legal management constraints?",
      "rationale": "Fishing effort layers are interpreted against protected-area rules, access constraints, and planning designations."
    },
    {
      "id": "fisheries-intensity-to-biosphere-ecosystems",
      "leaf": "fisheries-intensity",
      "twig": "biosphere_ecosystems",
      "relation_type": "ecosystem_pressure_signal",
      "question": "How does fisheries effort indicate ecosystem pressure in marine habitats?",
      "rationale": "Gear-specific effort intensity is a pressure indicator for benthic habitats, species assemblages, and ecosystem condition."
    },
    {
      "id": "valuation-to-cadastral-parcels",
      "leaf": "property-valuation",
      "twig": "socio_technical_governance",
      "relation_type": "spatial_join_path",
      "question": "How does a valuation connect to the legal cadastral parcel geometry?",
      "rationale": "Property valuation records are non-spatial and require linkage through BFE and cadastral references to retrieve parcel-based geometry and legal boundaries."
    }
  ]
}
