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Can be used to group occurrences from the same event.","maxGraphemes":256},"habitat":{"type":"string","description":"A description of the habitat in which the event occurred (e.g., 'tropical rainforest', 'mangrove swamp', 'montane cloud forest').","maxGraphemes":512},"kingdom":{"type":"string","description":"The full scientific name of the kingdom (e.g., 'Animalia', 'Plantae', 'Fungi').","maxGraphemes":128},"license":{"type":"string","description":"A legal document giving official permission to do something with the record. Recommended: a Creative Commons URI (e.g., 'http://creativecommons.org/licenses/by/4.0/').","maxGraphemes":512},"siteRef":{"type":"string","format":"at-uri","description":"AT-URI reference to the site record where this occurrence was observed."},"behavior":{"type":"string","description":"The behavior shown by the subject at the time of occurrence (e.g., 'foraging', 'nesting', 'roosting').","maxGraphemes":256},"eventRef":{"type":"string","format":"at-uri","description":"AT-URI reference to an app.gainforest.dwc.event record (for star-schema linkage)."},"locality":{"type":"string","description":"The specific description of the place (e.g., '500m upstream of bridge on Rio Pará').","maxGraphemes":1024},"createdAt":{"type":"string","format":"datetime","description":"Timestamp of record creation in the ATProto PDS."},"eventDate":{"type":"string","description":"The date or date-time (or interval) during which the occurrence was recorded. ISO 8601 format (e.g., '2024-03-15', '2024-03-15T10:30:00Z', '2024-03/2024-06').","maxGraphemes":64},"eventTime":{"type":"string","description":"The time of the event. ISO 8601 format (e.g., '14:30:00', '14:30:00+02:00').","maxGraphemes":64},"lifeStage":{"type":"string","description":"The age class or life stage at the time of occurrence (e.g., 'adult', 'juvenile', 'larva', 'seedling', 'sapling').","maxGraphemes":128},"taxonRank":{"enum":["kingdom","phylum","class","order","family","subfamily","genus","subgenus","species","subspecies","variety","form"],"type":"string","description":"The taxonomic rank of the most specific name in scientificName.","maxGraphemes":64},"datasetRef":{"type":"string","format":"at-uri","description":"AT-URI reference to a dataset record this occurrence belongs to."},"fieldNotes":{"type":"string","description":"Notes or reference to notes taken in the field about the event.","maxGraphemes":10000},"locationID":{"type":"string","description":"Identifier for the location (e.g., a reference to a named site).","maxGraphemes":256},"projectRef":{"type":"string","format":"at-uri","description":"AT-URI reference to the organization info record for the project this occurrence belongs to."},"recordedBy":{"type":"string","description":"Person(s) responsible for recording the occurrence in the field. Pipe-delimited for multiple (e.g., 'Jane Smith | John Doe').","maxGraphemes":512},"references":{"type":"string","format":"uri","description":"A related resource that is referenced, cited, or otherwise pointed to by the record (URL)."},"countryCode":{"type":"string","maxLength":2,"minLength":2,"description":"The standard code for the country (ISO 3166-1 alpha-2)."},"datasetName":{"type":"string","description":"The name identifying the dataset from which the record was derived.","maxGraphemes":256},"plantTraits":{"ref":"app.gainforest.dwc.defs#plantTraits","type":"ref","description":"Functional plant traits from databases like TRY and Restor. Only applicable to flora occurrences."},"gbifTaxonKey":{"type":"string","description":"GBIF backbone taxonomy key for the identified taxon. Retained for backward compatibility with existing GainForest workflows.","maxGraphemes":64},"identifiedBy":{"type":"string","description":"Person(s) who assigned the taxon to the occurrence. Pipe-delimited for multiple.","maxGraphemes":512},"municipality":{"type":"string","description":"The full, unabbreviated name of the next smaller administrative region than county.","maxGraphemes":256},"occurrenceID":{"type":"string","description":"A globally unique identifier for the occurrence record. Recommended: a persistent URI (e.g., DOI, LSID, or UUID-based URI).","maxGraphemes":256},"recordedByID":{"type":"string","description":"Persistent identifier(s) (e.g., ORCID) of the person(s) who recorded. Pipe-delimited for multiple.","maxGraphemes":512},"rightsHolder":{"type":"string","description":"Person or organization owning or managing rights over the resource.","maxGraphemes":256},"thumbnailUrl":{"type":"string","format":"uri","description":"URL to a thumbnail image for display in lists and cards."},"audioEvidence":{"ref":"app.gainforest.common.defs#audio","type":"ref","description":"Audio evidence (bioacoustics, soundscape, species call, field recording, etc.)."},"basisOfRecord":{"enum":["HumanObservation","MachineObservation","PreservedSpecimen","LivingSpecimen","FossilSpecimen","MaterialSample","MaterialEntity","MaterialCitation"],"type":"string","description":"The specific nature of the data record. Must be one of the Darwin Core class names.","maxGraphemes":64},"geodeticDatum":{"type":"string","description":"The spatial reference system for the coordinates. Recommended: 'EPSG:4326' (WGS84).","maxGraphemes":64},"imageEvidence":{"ref":"app.gainforest.common.defs#image","type":"ref","description":"Image evidence (photo, camera trap, drone still, scanned specimen, etc.)."},"stateProvince":{"type":"string","description":"The name of the next smaller administrative region than country.","maxGraphemes":256},"videoEvidence":{"ref":"app.gainforest.common.defs#video","type":"ref","description":"Video evidence (camera trap, drone footage, underwater video, behavioral observation, etc.)."},"collectionCode":{"type":"string","description":"The name, acronym, or code identifying the collection or dataset from which the record was derived.","maxGraphemes":256},"dateIdentified":{"type":"string","description":"The date on which the identification was made. ISO 8601 format.","maxGraphemes":64},"identifiedByID":{"type":"string","description":"Persistent identifier(s) (e.g., ORCID) of the person(s) who identified. Pipe-delimited.","maxGraphemes":512},"samplingEffort":{"type":"string","description":"The amount of effort expended during the event (e.g., '2 trap-nights', '30 minutes', '10 km transect').","maxGraphemes":256},"scientificName":{"type":"string","description":"The full scientific name, with authorship and date if known (e.g., 'Centropyge flavicauda Fraser-Brunner 1933').","maxGraphemes":512},"vernacularName":{"type":"string","description":"A common or vernacular name for the taxon.","maxGraphemes":256},"associatedMedia":{"type":"string","description":"Identifiers (URIs) of media associated with the occurrence. Pipe-delimited for multiple.","maxGraphemes":2048},"decimalLatitude":{"type":"string","description":"Geographic latitude in decimal degrees (WGS84). Positive values are north of the Equator. Range: -90 to 90.","maxGraphemes":32},"individualCount":{"type":"integer","minimum":0,"description":"The number of individuals present at the time of the occurrence."},"institutionCode":{"type":"string","description":"The name or acronym of the institution having custody of the object(s) or information in the record.","maxGraphemes":256},"locationRemarks":{"type":"string","description":"Comments about the location.","maxGraphemes":2048},"speciesImageUrl":{"type":"string","format":"uri","description":"URL to a representative species image."},"specificEpithet":{"type":"string","description":"The name of the species epithet of the scientificName.","maxGraphemes":128},"taxonomicStatus":{"type":"string","description":"The status of the use of the scientificName (e.g., 'accepted', 'synonym', 'doubtful').","maxGraphemes":64},"decimalLongitude":{"type":"string","description":"Geographic longitude in decimal degrees (WGS84). Positive values are east of the Greenwich Meridian. Range: -180 to 180.","maxGraphemes":32},"occurrenceStatus":{"enum":["present","absent"],"type":"string","description":"Statement about the presence or absence of a taxon at a location.","maxGraphemes":64},"organismQuantity":{"type":"string","description":"A number or enumeration value for the quantity of organisms (e.g., '27', '12.5', 'many').","maxGraphemes":64},"samplingProtocol":{"type":"string","description":"The method or protocol used during the event (e.g., 'camera trap', 'point count', 'mist net', '20m x 20m plot survey', 'acoustic monitoring').","maxGraphemes":1024},"verbatimLocality":{"type":"string","description":"The original textual description of the place as provided by the recorder.","maxGraphemes":1024},"dynamicProperties":{"type":"string","description":"Additional structured data as a valid JSON string (per Simple DwC Section 7.1). Example: '{\"iucnStatus\":\"vulnerable\",\"canopyCover\":\"85%\"}'. Should be flattened to a single line with no non-printing characters.","maxGraphemes":10000},"nomenclaturalCode":{"enum":["ICZN","ICN","ICNP","ICTV","BioCode"],"type":"string","description":"The nomenclatural code under which the scientificName is constructed.","maxGraphemes":64},"occurrenceRemarks":{"type":"string","description":"Comments or notes about the occurrence.","maxGraphemes":5000},"conservationStatus":{"ref":"app.gainforest.common.defs#conservationStatus","type":"ref","description":"Conservation status information including IUCN category, CITES listing, and native/invasive status."},"associatedSequences":{"type":"string","description":"Identifiers (URIs) of genetic sequence information associated with the occurrence. Pipe-delimited for multiple.","maxGraphemes":2048},"dataGeneralizations":{"type":"string","description":"A description of actions taken to make the data less specific or complete (e.g., 'coordinates rounded to nearest 0.1 degree').","maxGraphemes":1024},"informationWithheld":{"type":"string","description":"A description of what information is withheld from this record and why (e.g., 'coordinates generalized to protect endangered species').","maxGraphemes":1024},"monitoringProgramme":{"type":"string","description":"Name of the monitoring programme under which this occurrence was recorded.","maxGraphemes":256},"spectrogramEvidence":{"ref":"app.gainforest.common.defs#spectrogram","type":"ref","description":"Spectrogram image showing frequency analysis of audio recording."},"associatedReferences":{"type":"string","description":"Identifiers (URIs) of literature associated with the occurrence. Pipe-delimited for multiple.","maxGraphemes":2048},"higherClassification":{"type":"string","description":"A complete list of taxa names terminating at the rank immediately superior to the taxon. Pipe-delimited (e.g., 'Animalia|Chordata|Mammalia|Rodentia|Ctenomyidae|Ctenomys').","maxGraphemes":1024},"infraspecificEpithet":{"type":"string","description":"The name of the lowest or terminal infraspecific epithet.","maxGraphemes":128},"maximumDepthInMeters":{"type":"integer","minimum":0,"description":"The greater depth of a range of depth below the local surface (in meters)."},"minimumDepthInMeters":{"type":"integer","minimum":0,"description":"The lesser depth of a range of depth below the local surface (in meters)."},"organismQuantityType":{"type":"string","description":"The type of quantification system used for organismQuantity (e.g., 'individuals', '% biomass', 'stems/ha').","maxGraphemes":128},"associatedOccurrences":{"type":"string","description":"Identifiers of other occurrences associated with this one (e.g., parasite-host). Pipe-delimited.","maxGraphemes":2048},"identificationRemarks":{"type":"string","description":"Comments or notes about the identification.","maxGraphemes":2048},"reproductiveCondition":{"type":"string","description":"The reproductive condition at the time of occurrence (e.g., 'flowering', 'fruiting', 'budding', 'pregnant').","maxGraphemes":128},"identificationQualifier":{"type":"string","description":"A brief phrase or standard term qualifying the identification (e.g., 'cf. agrestis', 'aff. agrestis').","maxGraphemes":256},"previousIdentifications":{"type":"string","description":"Previous assignments of names to the occurrence. Pipe-delimited.","maxGraphemes":2048},"maximumElevationInMeters":{"type":"integer","description":"The upper limit of the range of elevation (in meters above sea level)."},"minimumElevationInMeters":{"type":"integer","description":"The lower limit of the range of elevation (in meters above sea level)."},"scientificNameAuthorship":{"type":"string","description":"The authorship information for the scientific name (e.g., 'Fraser-Brunner 1933').","maxGraphemes":256},"coordinateUncertaintyInMeters":{"type":"integer","minimum":1,"description":"Horizontal distance (meters) from the given coordinates describing the smallest circle containing the whole location."}}},"description":"A biodiversity occurrence record following the Simple Darwin Core standard. Each record represents one occurrence of an organism at a location and time."}},"$type":"com.atproto.lexicon.schema","lexicon":1,"description":"A single biodiversity occurrence record aligned with Simple Darwin Core (TDWG Standard 450, version 2023-09-13). Represents one organism or group of organisms at a particular place and time."}}