Paleo Core Terms

This page provides a list of recommended terms in the Paleo Core standard grouped by class, and with subclasses appearing at the end.  

Record

11 properties

has_identifier has_reference created modified language license rights rights_holder basis_of_record information_withheld data_generalizations
RecordClass
Identifier http://rs.tdwg.org/ltc/terms/RecordLevel
Definition The machine-actionable information profile for the collection description digital object.
Comments Linked to the RDA PID Kernel recommendation (https://www.rd-alliance.org/system/files/RDA%20Recommendation%20on%20PID%20Kernel%20Information_final.pdf)
Examples
has_identifier Property
Identifier http://rs.tdwg.org/ltc/terms/hasIdentifier
Definition This property refers to one or more related instances of the Identifier class. Every Record class must contain at least one Identifier, preferably a PID.
Comments
Examples
has_reference Property
Identifier http://rs.tdwg.org/ltc/terms/hasReference
Definition This property refers to one or more related instances of the Reference class.
Comments
Examples
created Property
Identifier http://purl.org/dc/terms
Definition Date of creation of the resource.
Comments Recommended practice is to describe the date, date/time, or period of time as recommended for the property Date, of which this is a subproperty.
Examples
modified Property
Identifier http://purl.org/dc/terms/modified
Definition The most recent date-time on which the resource was changed.
Comments Recommended best practice is to use a date that conforms to ISO 8601:2004(E).
Examples `1963-03-08T14:07-0600` (8 Mar 1963 at 2:07pm in the time zone six hours earlier than UTC). `2009-02-20T08:40Z` (20 February 2009 8:40am UTC). `2018-08-29T15:19` (3:19pm local time on 29 August 2018). `1809-02-12` (some time during 12 February 1809). `1906-06` (some time in June 1906). `1971` (some time in the year 1971). `2007-03-01T13:00:00Z/2008-05-11T15:30:00Z` (some time during the interval between 1 March 2007 1pm UTC and 11 May 2008 3:30pm UTC). `1900/1909` (some time during the interval between the beginning of the year 1900 and the end of the year 1909). `2007-11-13/15` (some time in the interval between 13 November 2007 and 15 November 2007).
language Property
Identifier http://purl.org/dc/elements/1.1/language
Definition A language of the resource.
Comments Recommended best practice is to use RFC 5646 as a controlled vocabulary.
Examples `en` (for English), `es` (for Spanish)
license Property
Identifier http://purl.org/dc/terms/license
Definition A legal document giving official permission to do something with the resource.
Comments
Examples `http://creativecommons.org/publicdomain/zero/1.0/legalcode`, `http://creativecommons.org/licenses/by/4.0/legalcode`
rights Property
Identifier http://purl.org/dc/terms/rights
Definition Information about rights held in and over the resource.
Comments Typically, rights information includes a statement about various property rights associated with the resource, including intellectual property rights. Recommended practice is to refer to a rights statement with a IRI. If this is not possible or feasible, a literal value (name, label, or short text) may be provided.
Examples http://scratchpads.eu/about/policies/termsandconditionsAll rights reserved by DataOwner Ltd.
rights_holder Property
Identifier http://purl.org/dc/terms/rightsHolder
Definition A person or organization owning or managing rights over the resource.
Comments
Examples `The Regents of the University of California`
basis_of_record Property
Identifier http://rs.tdwg.org/dwc/terms/basisOfRecord
Definition The specific nature of the data record.
Comments Recommended best practice is to use the standard label of one of the Darwin Core classes.
Examples `PreservedSpecimen`, `FossilSpecimen`, `LivingSpecimen`, `MaterialSample`, `Event`, `HumanObservation`, `MachineObservation`, `Taxon`, `Occurrence`
information_withheld Property
Identifier http://rs.tdwg.org/dwc/terms/informationWithheld
Definition Additional information that exists, but that has not been shared in the given record.
Comments
Examples `location information not given for endangered species`, `collector identities withheld | ask about tissue samples`
data_generalizations Property
Identifier http://rs.tdwg.org/dwc/terms/dataGeneralizations
Definition Actions taken to make the shared data less specific or complete than in its original form. Suggests that alternative data of higher quality may be available on request.
Comments
Examples `Coordinates generalized from original GPS coordinates to the nearest half degree grid cell`.

Find

13 properties

has_identifier institution_code collection_code catalog_number other_catalog_numbers record_number found_by recorded_by has_resource_relationship has_reference associated_media disposition find_remarks
FindClass
Identifier None
Definition The material result of paleoanthropological research, a paleoanthropological thing.
Comments
Examples A fossil specimens, and archaeological artifact, a geological sample, a bulk collection.
has_identifier Property
Identifier http://rs.tdwg.org/ltc/terms/hasIdentifier
Definition This property refers to one or more related instances of the Identifier class.
Comments
Examples
institution_code Property
Identifier http://rs.tdwg.org/dwc/terms/institutionCode
Definition The name (or acronym) in use by the institution having custody of the object(s) or information referred to in the record.
Comments
Examples `MVZ`, `FMNH`, `CLO`, `UCMP`
collection_code Property
Identifier http://rs.tdwg.org/dwc/terms/collectionCode
Definition The name, acronym, coden, or initialism identifying the collection or data set from which the record was derived.
Comments
Examples `Mammals`, `Hildebrandt`, `EBIRD`, `VP`
catalog_number Property
Identifier http://rs.tdwg.org/dwc/terms/catalogNumber
Definition An identifier (preferably unique) for the record within the data set or collection.
Comments
Examples `145732`, `145732a`, `2008.1334`, `R-4313`
other_catalog_numbers Property
Identifier http://rs.tdwg.org/dwc/terms/otherCatalogNumbers
Definition A list (concatenated and separated) of previous or alternate fully qualified catalog numbers or other human-used identifiers for the same Occurrence, whether in the current or any other data set or collection.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `FMNH:Mammal:1234`, `NPS YELLO6778 | MBG 33424`
record_number Property
Identifier http://rs.tdwg.org/dwc/terms/recordNumber
Definition An identifier given to the Occurrence at the time it was recorded. Often serves as a link between field notes and an Occurrence record, such as a specimen collector's number.
Comments
Examples `OPP 7101`
found_by Property
Identifier None
Definition The person who located the item that is recorded.
Comments Recommended best practice is to use a structured vocabulary.
Examples
recorded_by Property
Identifier http://rs.tdwg.org/dwc/terms/recordedBy
Definition A list (concatenated and separated) of names of people, groups, or organizations responsible for recording the original Occurrence. The primary collector or observer, especially one who applies a personal identifier (recordNumber), should be listed first.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `José E. Crespo`. `Oliver P. Pearson | Anita K. Pearson` (where the value in recordNumber `OPP 7101` corresponds to the collector number for the specimen in the field catalog of Oliver P. Pearson).
has_resource_relationship Property
Identifier http://rs.tdwg.org/ltc/terms/hasResourceRelationship
Definition This property refers to one or more related instances of the ResourceRelationship class.
Comments
Examples
has_reference Property
Identifier None
Definition This property refers to one or more related instances of the Reference class.
Comments
Examples
associated_media Property
Identifier http://rs.tdwg.org/dwc/terms/associatedMedia
Definition A list (concatenated and separated) of identifiers (publication, global unique identifier, URI) of media associated with the Occurrence.
Comments
Examples `http://arctos.database.museum/SpecimenImages/UAMObs/Mamm/2/P7291179.JPG`, `http://204.140.246.24/Fish/Collection%20Pictures/10118-00.jpg | http://204.140.246.24/Fish/Collection%20Pictures/10118-00a.jpg`
disposition Property
Identifier http://rs.tdwg.org/dwc/terms/disposition
Definition The current state of a specimen with respect to the collection identified in collectionCode or collectionID.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `in collection`, `missing`, `voucher elsewhere`, `duplicates elsewhere`
find_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/occurrenceRemarks
Definition Comments or notes about the Occurrence.
Comments
Examples `found dead on road`

Specimen

6 properties

item_count individual_count preparations dynamic_properties sampling_protocol sampling_effort
SpecimenClass
Identifier http://rs.tdwg.org/dwc/terms/PreservedSpecimen
Definition A find that is not an aggregate and that represents in whole or in part, a single object of a single type.
Comments In the paleoanthropological context a PreservedSpecimen is
Examples A fossil bone, or single fragment of a fossil bone. Two fragments that fit together and derive from the same fossil bone. A complete fossil organisms where the organism has a single part such as a invertebrate shell. A fossil leaf impression. A complete rock, or a uniform sample from a larger rock. A lithic, a pot sherd, a piece of ochre, a fire pit, a post hole, a grave, a glass bead, a fragment of string, a hafted tool. A vertebrate skeleton would constitute a single organism comprised of multiple specimens.
item_count Property
Identifier None
Definition The number of items included in the record. The items may be from the same individual or from separate individuals.
Comments
Examples
individual_count Property
Identifier http://rs.tdwg.org/dwc/terms/individualCount
Definition The number of individuals represented present at the time of the Occurrence.
Comments
Examples `0`, `1`, `25`
preparations Property
Identifier http://rs.tdwg.org/dwc/terms/preparations
Definition A list (concatenated and separated) of preparations and preservation methods for a specimen.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `fossil`, `cast`, `photograph`, `DNA extract`, `skin | skull | skeleton`, `whole animal (ETOH) | tissue (EDTA)`
dynamic_properties Property
Identifier http://rs.tdwg.org/dwc/terms/dynamicProperties
Definition A list of additional measurements, facts, characteristics, or assertions about the record. Meant to provide a mechanism for structured content.
Comments Recommended best practice is to use a key:value encoding schema for a data interchange format such as JSON.
Examples `{"heightInMeters":1.5}`, `{"tragusLengthInMeters":0.014, "weightInGrams":120}`, `{"natureOfID":"expert identification", "identificationEvidence":"cytochrome B sequence"}`, `{"relativeHumidity":28, "airTemperatureInCelsius":22, "sampleSizeInKilograms":10}`, `{"aspectHeading":277, "slopeInDegrees":6}`, `{"iucnStatus":"vulnerable", "taxonDistribution":"Neuquén, Argentina"}`
sampling_protocol Property
Identifier http://rs.tdwg.org/dwc/terms/samplingProtocol
Definition The name of, reference to, or description of the method or protocol used during an Event.
Comments
Examples `UV light trap`, `mist net`, `bottom trawl`, `ad hoc observation`, `point count`, `Penguins from space: faecal stains reveal the location of emperor penguin colonies, https://doi.org/10.1111/j.1466-8238.2009.00467.x`, `Takats et al. 2001. Guidelines for Nocturnal Owl Monitoring in North America. Beaverhill Bird Observatory and Bird Studies Canada, Edmonton, Alberta. 32 pp.`, `http://www.bsc-eoc.org/download/Owl.pdf`
sampling_effort Property
Identifier http://rs.tdwg.org/dwc/terms/samplingEffort
Definition The amount of effort expended during an Event.
Comments
Examples `40 trap-nights`, `10 observer-hours`, `10 km by foot`, `30 km by car`

Aggregate

1 properties

is_current_collection
AggregateClass
Identifier http://rs.tdwg.org/ltc/terms/ObjectGroup
Definition An intentionally grouped set of objects with one or more common characteristics.
Comments
Examples
is_current_collection Property
Identifier http://rs.tdwg.org/ltc/terms/isCurrentCollection
Definition A flag to indicate whether the collection still exists as a single entity.
Comments
Examples

Archaeological Specimen

1 properties

artifact_type
Archaeological SpecimenClass
Identifier https://paleocore.org/pc/terms/Artifact
Definition A specimen that is an object or feature made or given shape by human activity
Comments
Examples A lithic, a bone tool, a pierced bead, a flower necklace, a pottery shard, a coin, a stone tablet with writing, a nut cracking anvil, a hearth, a building foundation, a post hole, a boat.
artifact_type Property
Identifier https://paleocore.org/pc/terms/artifactType
Definition Type of artifact from a structured vocabulary of possible artifact types.
Comments Recommended best practice is to use a controlled vocabulary such as the EAMC Artefact Classes from TDAR.
Examples 'Lithic', 'Mineral', 'Bone', 'Shell', 'Textile', 'Ceramic', 'Feature'

Fossil Specimen

7 properties

sex life_stage reproductive_condition associated_sequences associated_taxa organism_quantity organism_quantity_type
Fossil SpecimenClass
Identifier http://rs.tdwg.org/dwc/terms/FossilSpecimen
Definition A specimen that is a living thing or a portion of a once living thing.
Comments
Examples A body fossil. A coprolite. A gastrolith. An ichnofossil. A piece of a petrified tree. A fresh, non-fossilized, bone from a taphonomic survey. An insect preserved in amber. Articulated fossil foot bones.
sex Property
Identifier http://rs.tdwg.org/dwc/terms/sex
Definition The sex of the biological individual(s) represented in the Occurrence.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `female`, `male`, `hermaphrodite`
life_stage Property
Identifier http://rs.tdwg.org/dwc/terms/lifeStage
Definition The age class or life stage of the biological individual(s) at the time the Occurrence was recorded.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `egg`, `eft`, `juvenile`, `adult`
reproductive_condition Property
Identifier http://rs.tdwg.org/dwc/terms/reproductiveCondition
Definition The reproductive condition of the biological individual(s) represented in the Occurrence.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `non-reproductive`, `pregnant`, `in bloom`, `fruit-bearing`
associated_sequences Property
Identifier http://rs.tdwg.org/dwc/terms/associatedSequences
Definition A list (concatenated and separated) of identifiers (publication, global unique identifier, URI) of genetic sequence information associated with the Occurrence.
Comments
Examples `http://www.ncbi.nlm.nih.gov/nuccore/U34853.1`, `http://www.ncbi.nlm.nih.gov/nuccore/GU328060 | http://www.ncbi.nlm.nih.gov/nuccore/AF326093`
associated_taxa Property
Identifier http://rs.tdwg.org/dwc/terms/associatedTaxa
Definition A list (concatenated and separated) of identifiers or names of taxa and their associations with the Occurrence.
Comments
Examples `"host":"Quercus alba"`, `"parasitoid of":"Cyclocephala signaticollis" | "predator of":"Apis mellifera"`
organism_quantity Property
Identifier http://rs.tdwg.org/dwc/terms/organismQuantity
Definition A number or enumeration value for the quantity of organisms.
Comments A dwc:organismQuantity must have a corresponding dwc:organismQuantityType.
Examples `27` (organismQuantity) with `individuals` (organismQuantityType). `12.5` (organismQuantity) with `%biomass` (organismQuantityType). `r` (organismQuantity) with `BraunBlanquetScale` (organismQuantityType).
organism_quantity_type Property
Identifier http://rs.tdwg.org/dwc/terms/organismQuantityType
Definition The type of quantification system used for the quantity of organisms.
Comments A dwc:organismQuantityType must have a corresponding dwc:organismQuantity.
Examples `27` (organismQuantity) with `individuals` (organismQuantityType). `12.5` (organismQuantity) with `%biomass` (organismQuantityType). `r` (organismQuantity) with `BraunBlanquetScale` (organismQuantityType).

Geological Specimen

1 properties

sample_type
Geological SpecimenClass
Identifier https://paleocore.org/pc/terms/GeologicalSpecimen
Definition A specimen that is a whole or a part of rock, mineral, sediment, soils extracted from the Earth’s crust
Comments
Examples A volcanic tuff, a rock, a geological fault, a basalt cobble
sample_type Property
Identifier https://paleocore.org/pc/terms/rockType
Definition The type of geological sample.
Comments
Examples OSL sample, bulk sediment sample, core sample, whole rock

Organism

7 properties

organism_id organism_name organism_scope associated_organisms previous_identifications organism_remarks material_sample_id
OrganismClass
Identifier http://rs.tdwg.org/dwc/terms/Organism
Definition A particular organism or defined group of organisms considered to be taxonomically homogeneous.
Comments Instances of the dwc:Organism class are intended to facilitate linking one or more dwc:Identification instances to one or more dwc:Occurrence instances. Therefore, things that are typically assigned scientific names (such as viruses, hybrids, and lichens) and aggregates whose occurrences are typically recorded (such as packs, clones, and colonies) are included in the scope of this class.
Examples A specific bird. A specific wolf pack. A specific instance of a bacterial culture.
organism_id Property
Identifier http://rs.tdwg.org/dwc/terms/organismID
Definition An identifier for the Organism instance (as opposed to a particular digital record of the Organism). May be a globally unique identifier or an identifier specific to the data set.
Comments
Examples `http://arctos.database.museum/guid/WNMU:Mamm:1249`
organism_name Property
Identifier http://rs.tdwg.org/dwc/terms/organismName
Definition A textual name or label assigned to an Organism instance.
Comments
Examples `Huberta`, `Boab Prison Tree`, `J pod`
organism_scope Property
Identifier http://rs.tdwg.org/dwc/terms/organismScope
Definition A description of the kind of Organism instance. Can be used to indicate whether the Organism instance represents a discrete organism or if it represents a particular type of aggregation.
Comments Recommended best practice is to use a controlled vocabulary. This term is not intended to be used to specify a type of taxon. To describe the kind of dwc:Organism using a URI object in RDF, use rdf:type (http://www.w3.org/1999/02/22-rdf-syntax-ns#type) instead.
Examples `multicellular organism`, `virus`, `clone`, `pack`, `colony`
associated_organisms Property
Identifier http://rs.tdwg.org/dwc/terms/associatedOrganisms
Definition A list (concatenated and separated) of identifiers of other Organisms and their associations to this Organism.
Comments
Examples `"sibling of":"DMNS:Mamm http://arctos.database.museum/guid/DMNS:Mamm:14171"`, `"parent of":"MSB:Mamm http://arctos.database.museum/guid/MSB:Mamm:196208" | "parent of":"MSB:Mamm http://arctos.database.museum/guid/MSB:Mamm:196523" | "sibling of":"MSB:Mamm http://arctos.database.museum/guid/MSB:Mamm:142638"`
previous_identifications Property
Identifier http://rs.tdwg.org/dwc/terms/previousIdentifications
Definition A list (concatenated and separated) of previous assignments of names to the Organism.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `Chalepidae`, `Pinus abies`, `Anthus sp., field ID by G. Iglesias | Anthus correndera, expert ID by C. Cicero 2009-02-12 based on morphology`
organism_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/organismRemarks
Definition Comments or notes about the Organism instance.
Comments
Examples `One of a litter of six`
material_sample_id Property
Identifier http://rs.tdwg.org/dwc/terms/materialSampleID
Definition An identifier for the MaterialSample (as opposed to a particular digital record of the material sample). In the absence of a persistent global unique identifier, construct one from a combination of identifiers in the record that will most closely make the materialSampleID globally unique.
Comments
Examples `06809dc5-f143-459a-be1a-6f03e63fc083`

Identifier

3 properties

identifier identifier_source has_reference
IdentifierClass
Identifier http://rs.tdwg.org/ltc/terms/Identifier
Definition A numeric, textual value, or reference such as an IRI, that can be used to uniquely identify the object to which it is attached.
Comments Use this class to document stable identifiers that describe the collections and associated entities being represented in the collection description. For example, person identifiers, taxon identifiers, institution identifiers, organisational unit identifiers, gazetteer identifiers. Identifiers represented by this class may be globally unique, or unique within a given context.
Examples
identifier Property
Identifier http://rs.tdwg.org/ltc/terms/identifierValue
Definition A textual or numeric identifier, acronym or IRI that provides an unambiguous reference for an entity within a given context.
Comments This may be a simple value or resolvable IRI, and can reflect any identifier used to identify an entity (such as a collection, taxon, institution or person) included in the Collection Description.
Examples http://grscicoll.org/institutional-collection/osteologyhttps://www.gbif.org/grscicoll/collection/64232ca4-fd5a-4a3d-a1d5-ef812107472chttps://www.gbif.org/grscicoll/institution/52827361-5e82-43b7-b92a-f6ad98367fa5http://sweetgum.nybg.org/science/ih/herbarium-details/?irn=12696910.5072/example-fullNHMUK-VertsBGBM
identifier_source Property
Identifier None
Definition The source or creator of the identifier.
Comments This term refers to the organisation, framework, software or database that minted the identifier represented in the identifier property.
Examples Index HerbariorumGBIF Registry of Scientific Collections (GRSciColl)CITESIPENNHM UK 'Join the Dots' framework
has_reference Property
Identifier http://rs.tdwg.org/ltc/terms/hasReference
Definition This property refers to one or more related instances of the Reference class.
Comments
Examples

Event

15 properties

event_id parent_event_id field_number event_date event_time start_day_of_year end_day_of_year year month day verbatim_event_date sample_size_value sample_size_unit field_notes event_remarks
EventClass
Identifier http://rs.tdwg.org/dwc/terms/Event
Definition An action that occurs at some location during some time.
Comments
Examples A specimen collection process. A camera trap image capture. A marine trawl.
event_id Property
Identifier http://rs.tdwg.org/dwc/terms/eventID
Definition An identifier for the set of information associated with an Event (something that occurs at a place and time). May be a global unique identifier or an identifier specific to the data set.
Comments
Examples `INBO:VIS:Ev:00009375`
parent_event_id Property
Identifier http://rs.tdwg.org/dwc/terms/parentEventID
Definition An identifier for the broader Event that groups this and potentially other Events.
Comments Use a globally unique identifier for a dwc:Event or an identifier for a dwc:Event that is specific to the data set.
Examples `A1` (parentEventID to identify the main Whittaker Plot in nested samples, each with its own eventID - `A1:1`, `A1:2`).
field_number Property
Identifier http://rs.tdwg.org/dwc/terms/fieldNumber
Definition An identifier given to the event in the field. Often serves as a link between field notes and the Event.
Comments
Examples `RV Sol 87-03-08`
event_date Property
Identifier http://rs.tdwg.org/dwc/terms/eventDate
Definition The date-time or interval during which an Event occurred. For occurrences, this is the date-time when the event was recorded. Not suitable for a time in a geological context.
Comments Recommended best practice is to use a date that conforms to ISO 8601:2004(E).
Examples `1963-03-08T14:07-0600` (8 Mar 1963 at 2:07pm in the time zone six hours earlier than UTC). `2009-02-20T08:40Z` (20 February 2009 8:40am UTC). `2018-08-29T15:19` (3:19pm local time on 29 August 2018). `1809-02-12` (some time during 12 February 1809). `1906-06` (some time in June 1906). `1971` (some time in the year 1971). `2007-03-01T13:00:00Z/2008-05-11T15:30:00Z` (some time during the interval between 1 March 2007 1pm UTC and 11 May 2008 3:30pm UTC). `1900/1909` (some time during the interval between the beginning of the year 1900 and the end of the year 1909). `2007-11-13/15` (some time in the interval between 13 November 2007 and 15 November 2007).
event_time Property
Identifier http://rs.tdwg.org/dwc/terms/eventTime
Definition The time or interval during which an Event occurred.
Comments Recommended best practice is to use a time that conforms to ISO 8601:2004(E).
Examples `14:07-0600` (2:07pm in the time zone six hours earlier than UTC). `08:40:21Z` (8:40:21am UTC). `13:00:00Z/15:30:00Z` (the interval between 1pm UTC and 3:30pm UTC).
start_day_of_year Property
Identifier http://rs.tdwg.org/dwc/terms/startDayOfYear
Definition The earliest ordinal day of the year on which the Event occurred (1 for January 1, 365 for December 31, except in a leap year, in which case it is 366).
Comments
Examples `1` (1 January). `366` (31 December), `365` (30 December in a leap year, 31 December in a non-leap year).
end_day_of_year Property
Identifier http://rs.tdwg.org/dwc/terms/endDayOfYear
Definition The latest ordinal day of the year on which the Event occurred (1 for January 1, 365 for December 31, except in a leap year, in which case it is 366).
Comments
Examples `1` (1 January). `32` (1 February). `366` (31 December). `365` (30 December in a leap year, 31 December in a non-leap year).
year Property
Identifier http://rs.tdwg.org/dwc/terms/year
Definition The four-digit year in which the Event occurred, according to the Common Era Calendar.
Comments
Examples `1160`, `2008`
month Property
Identifier http://rs.tdwg.org/dwc/terms/month
Definition The ordinal month in which the Event occurred.
Comments
Examples `1` (January). `10` (October).
day Property
Identifier http://rs.tdwg.org/dwc/terms/day
Definition The integer day of the month on which the Event occurred.
Comments
Examples `9`, `28`
verbatim_event_date Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimEventDate
Definition The verbatim original representation of the date and time information for an Event.
Comments
Examples `spring 1910`, `Marzo 2002`, `1999-03-XX`, `17IV1934`
sample_size_value Property
Identifier http://rs.tdwg.org/dwc/terms/sampleSizeValue
Definition A numeric value for a measurement of the size (time duration, length, area, or volume) of a sample in a sampling event.
Comments A sampleSizeValue must have a corresponding sampleSizeUnit.
Examples `5` for sampleSizeValue with `metre` for sampleSizeUnit.
sample_size_unit Property
Identifier http://rs.tdwg.org/dwc/terms/sampleSizeUnit
Definition The unit of measurement of the size (time duration, length, area, or volume) of a sample in a sampling event.
Comments A sampleSizeUnit must have a corresponding sampleSizeValue, e.g., `5` for sampleSizeValue with `metre` for sampleSizeUnit.
Examples `minute`, `hour`, `day`, `metre`, `square metre`, `cubic metre`
field_notes Property
Identifier http://rs.tdwg.org/dwc/terms/fieldNotes
Definition One of a) an indicator of the existence of, b) a reference to (publication, URI), or c) the text of notes taken in the field about the Event.
Comments
Examples `Notes available in the Grinnell-Miller Library.`
event_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/eventRemarks
Definition Comments or notes about the Event.
Comments
Examples `After the recent rains the river is nearly at flood stage.`

Location

44 properties

location_ID higher_geography_ID higher_geography continent water_body island_group island country country_code state_province county municipality locality verbatim_locality minimum_elevation_in_meters maximum_elevation_in_meters verbatim_elevation minimum_depth_in_meters maximum_depth_in_meters verbatim_depth minimum_distance_above_surface_in_meters maximum_distance_above_surface_in_meters location_according_to location_remarks decimal_latitude decimal_longitude geodetic_datum vertical_datum coordinate_uncertainty_in_meters coordinate_precision point_radius_spatial_fit verbatim_coordinates verbatim_latitude verbatim_longitude verbatim_coordinate_system verbatim_SRS footprint_WKT footprint_SRS footprint_spatial_fit georeferenced_by georeferenced_date georeference_protocol georeference_sources georeference_remarks
LocationClass
Identifier http://purl.org/dc/terms/Location
Definition A spatial region or named place.
Comments
Examples The municipality of San Carlos de Bariloche, Río Negro, Argentina. The place defined by a georeference.
location_ID Property
Identifier http://rs.tdwg.org/dwc/terms/locationID
Definition An identifier for the set of location information (data associated with dcterms:Location). May be a global unique identifier or an identifier specific to the data set.
Comments
Examples `https://opencontext.org/subjects/768A875F-E205-4D0B-DE55-BAB7598D0FD1`
higher_geography_ID Property
Identifier http://rs.tdwg.org/dwc/terms/higherGeographyID
Definition An identifier for the geographic region within which the Location occurred.
Comments Recommended best practice is to use a persistent identifier from a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `http://vocab.getty.edu/tgn/1002002` (Antártida e Islas del Atlántico Sur, Territorio Nacional de la Tierra del Fuego, Argentina).
higher_geography Property
Identifier http://rs.tdwg.org/dwc/terms/higherGeography
Definition A list (concatenated and separated) of geographic names less specific than the information captured in the locality term.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `), with terms in order from least specific to most specific.
Examples `North Atlantic Ocean`. `South America | Argentina | Patagonia | Parque Nacional Nahuel Huapi | Neuquén | Los Lagos` (with accompanying values `South America` in continent, `Argentina` in country, `Neuquén` in stateProvince, and `Los Lagos` in county.
continent Property
Identifier http://rs.tdwg.org/dwc/terms/continent
Definition The name of the continent in which the Location occurs.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Africa`, `Antarctica`, `Asia`, `Europe`, `North America`, `Oceania`, `South America`
water_body Property
Identifier http://rs.tdwg.org/dwc/terms/waterBody
Definition The name of the water body in which the Location occurs.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Indian Ocean`, `Baltic Sea`, `Hudson River`, `Lago Nahuel Huapi`
island_group Property
Identifier http://rs.tdwg.org/dwc/terms/islandGroup
Definition The name of the island group in which the Location occurs.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Alexander Archipelago`, `Archipiélago Diego Ramírez`, `Seychelles`
island Property
Identifier http://rs.tdwg.org/dwc/terms/island
Definition The name of the island on or near which the Location occurs.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Nosy Be`, `Bikini Atoll`, `Vancouver`, `Viti Levu`, `Zanzibar`
country Property
Identifier http://rs.tdwg.org/dwc/terms/country
Definition The name of the country or major administrative unit in which the Location occurs.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Denmark`, `Colombia`, `España`
country_code Property
Identifier http://rs.tdwg.org/dwc/terms/countryCode
Definition The standard code for the country in which the Location occurs.
Comments Recommended best practice is to use an ISO 3166-1-alpha-2 country code.
Examples `AR`, `SV`
state_province Property
Identifier http://rs.tdwg.org/dwc/terms/stateProvince
Definition The name of the next smaller administrative region than country (state, province, canton, department, region, etc.) in which the Location occurs.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Montana`, `Minas Gerais`, `Córdoba`
county Property
Identifier http://rs.tdwg.org/dwc/terms/county
Definition The full, unabbreviated name of the next smaller administrative region than stateProvince (county, shire, department, etc.) in which the Location occurs.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Missoula`, `Los Lagos`, `Mataró`
municipality Property
Identifier http://rs.tdwg.org/dwc/terms/municipality
Definition The full, unabbreviated name of the next smaller administrative region than county (city, municipality, etc.) in which the Location occurs. Do not use this term for a nearby named place that does not contain the actual location.
Comments Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Examples `Holzminden`, `Araçatuba`, `Ga-Segonyana`
locality Property
Identifier http://rs.tdwg.org/dwc/terms/locality
Definition The specific description of the place. Less specific geographic information can be provided in other geographic terms (higherGeography, continent, country, stateProvince, county, municipality, waterBody, island, islandGroup). This term may contain information modified from the original to correct perceived errors or standardize the description.
Comments
Examples `Bariloche, 25 km NNE via Ruta Nacional 40 (=Ruta 237)`.
verbatim_locality Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimLocality
Definition The original textual description of the place.
Comments
Examples `25 km NNE Bariloche por R. Nac. 237`
minimum_elevation_in_meters Property
Identifier http://rs.tdwg.org/dwc/terms/minimumElevationInMeters
Definition The lower limit of the range of elevation (altitude, usually above sea level), in meters.
Comments
Examples `-100`, `802`
maximum_elevation_in_meters Property
Identifier http://rs.tdwg.org/dwc/terms/maximumElevationInMeters
Definition The upper limit of the range of elevation (altitude, usually above sea level), in meters.
Comments
Examples `-205`, `1236`
verbatim_elevation Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimElevation
Definition The original description of the elevation (altitude, usually above sea level) of the Location.
Comments
Examples `100-200 m`
minimum_depth_in_meters Property
Identifier http://rs.tdwg.org/dwc/terms/minimumDepthInMeters
Definition The lesser depth of a range of depth below the local surface, in meters.
Comments
Examples `0`, `100`
maximum_depth_in_meters Property
Identifier http://rs.tdwg.org/dwc/terms/maximumDepthInMeters
Definition The greater depth of a range of depth below the local surface, in meters.
Comments
Examples `0`, `200`
verbatim_depth Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimDepth
Definition The original description of the depth below the local surface.
Comments
Examples `100-200 m`
minimum_distance_above_surface_in_meters Property
Identifier http://rs.tdwg.org/dwc/terms/minimumDistanceAboveSurfaceInMeters
Definition The lesser distance in a range of distance from a reference surface in the vertical direction, in meters. Use positive values for locations above the surface, negative values for locations below. If depth measures are given, the reference surface is the location given by the depth, otherwise the reference surface is the location given by the elevation.
Comments
Examples `-1.5` (below the surface). `4.2` (above the surface). For a 1.5 meter sediment core from the bottom of a lake (at depth 20m) at 300m elevation: verbatimElevation: `300m` minimumElevationInMeters: `300`, maximumElevationInMeters: `300`, verbatimDepth: `20m`, minimumDepthInMeters: `20`, maximumDepthInMeters: `20`, minimumDistanceAboveSurfaceInMeters: `0`, maximumDistanceAboveSurfaceInMeters: `-1.5`.
maximum_distance_above_surface_in_meters Property
Identifier http://rs.tdwg.org/dwc/terms/maximumDistanceAboveSurfaceInMeters
Definition The greater distance in a range of distance from a reference surface in the vertical direction, in meters. Use positive values for locations above the surface, negative values for locations below. If depth measures are given, the reference surface is the location given by the depth, otherwise the reference surface is the location given by the elevation.
Comments
Examples `-1.5` (below the surface). `4.2` (above the surface). For a 1.5 meter sediment core from the bottom of a lake (at depth 20m) at 300m elevation: verbatimElevation: `300m` minimumElevationInMeters: `300`, maximumElevationInMeters: `300`, verbatimDepth: `20m`, minimumDepthInMeters: `20`, maximumDepthInMeters: `20`, minimumDistanceAboveSurfaceInMeters: `0`, maximumDistanceAboveSurfaceInMeters: `-1.5`.
location_according_to Property
Identifier http://rs.tdwg.org/dwc/terms/locationAccordingTo
Definition Information about the source of this Location information. Could be a publication (gazetteer), institution, or team of individuals.
Comments
Examples `Getty Thesaurus of Geographic Names`, `GADM`
location_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/locationRemarks
Definition Comments or notes about the Location.
Comments
Examples `under water since 2005`
decimal_latitude Property
Identifier http://rs.tdwg.org/dwc/terms/decimalLatitude
Definition The geographic latitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic center of a Location. Positive values are north of the Equator, negative values are south of it. Legal values lie between -90 and 90, inclusive.
Comments
Examples `-41.0983423`
decimal_longitude Property
Identifier http://rs.tdwg.org/dwc/terms/decimalLongitude
Definition The geographic longitude (in decimal degrees, using the spatial reference system given in geodeticDatum) of the geographic center of a Location. Positive values are east of the Greenwich Meridian, negative values are west of it. Legal values lie between -180 and 180, inclusive.
Comments
Examples `-121.1761111`
geodetic_datum Property
Identifier http://rs.tdwg.org/dwc/terms/geodeticDatum
Definition The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which the geographic coordinates given in decimalLatitude and decimalLongitude as based.
Comments Recommended best practice is to use the EPSG code of the SRS, if known. Otherwise use a controlled vocabulary for the name or code of the geodetic datum, if known. Otherwise use a controlled vocabulary for the name or code of the ellipsoid, if known. If none of these is known, use the value `unknown`.
Examples `EPSG:4326`, `WGS84`, `NAD27`, `Campo Inchauspe`, `European 1950`, `Clarke 1866`, `unknown`
vertical_datum Property
Identifier http://rs.tdwg.org/dwc/terms/verticalDatum
Definition The vertical datum used as the reference upon which the values in the elevation terms are based.
Comments Recommended best practice is to use a controlled vocabulary.
Examples EGM84, EGM96, EGM2008, PGM2000A, PGM2004, PGM2006, PGM2007, epsg:7030, unknown
coordinate_uncertainty_in_meters Property
Identifier http://rs.tdwg.org/dwc/terms/coordinateUncertaintyInMeters
Definition The horizontal distance (in meters) from the given decimalLatitude and decimalLongitude describing the smallest circle containing the whole of the Location. Leave the value empty if the uncertainty is unknown, cannot be estimated, or is not applicable (because there are no coordinates). Zero is not a valid value for this term.
Comments
Examples `30` (reasonable lower limit of a GPS reading under good conditions if the actual precision was not recorded at the time). `71` (uncertainty for a UTM coordinate having 100 meter precision and a known spatial reference system).
coordinate_precision Property
Identifier http://rs.tdwg.org/dwc/terms/coordinatePrecision
Definition A decimal representation of the precision of the coordinates given in the decimalLatitude and decimalLongitude.
Comments
Examples `0.00001` (normal GPS limit for decimal degrees). `0.000278` (nearest second). `0.01667` (nearest minute). `1.0` (nearest degree).
point_radius_spatial_fit Property
Identifier http://rs.tdwg.org/dwc/terms/pointRadiusSpatialFit
Definition The ratio of the area of the point-radius (decimalLatitude, decimalLongitude, coordinateUncertaintyInMeters) to the area of the true (original, or most specific) spatial representation of the Location. Legal values are 0, greater than or equal to 1, or undefined. A value of 1 is an exact match or 100% overlap. A value of 0 should be used if the given point-radius does not completely contain the original representation. The pointRadiusSpatialFit is undefined (and should be left blank) if the original representation is a point without uncertainty and the given georeference is not that same point (without uncertainty). If both the original and the given georeference are the same point, the pointRadiusSpatialFit is 1.
Comments Detailed explanations with graphical examples can be found in the Guide to Best Practices for Georeferencing, Chapman and Wieczorek, eds. 2006.
Examples Detailed explanations with graphical examples can be found in the Guide to Best Practices for Georeferencing, Chapman and Wieczorek, eds. 2006.
verbatim_coordinates Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimCoordinates
Definition The verbatim original spatial coordinates of the Location. The coordinate ellipsoid, geodeticDatum, or full Spatial Reference System (SRS) for these coordinates should be stored in verbatimSRS and the coordinate system should be stored in verbatimCoordinateSystem.
Comments
Examples `41 05 54S 121 05 34W`, `17T 630000 4833400`
verbatim_latitude Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimLatitude
Definition The verbatim original latitude of the Location. The coordinate ellipsoid, geodeticDatum, or full Spatial Reference System (SRS) for these coordinates should be stored in verbatimSRS and the coordinate system should be stored in verbatimCoordinateSystem.
Comments
Examples `41 05 54.03S`
verbatim_longitude Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimLongitude
Definition The verbatim original longitude of the Location. The coordinate ellipsoid, geodeticDatum, or full Spatial Reference System (SRS) for these coordinates should be stored in verbatimSRS and the coordinate system should be stored in verbatimCoordinateSystem.
Comments
Examples `121d 10' 34" W`
verbatim_coordinate_system Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimCoordinateSystem
Definition The spatial coordinate system for the verbatimLatitude and verbatimLongitude or the verbatimCoordinates of the Location.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `decimal degrees`, `degrees decimal minutes`, `degrees minutes seconds`, `UTM`
verbatim_SRS Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimSRS
Definition The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which coordinates given in verbatimLatitude and verbatimLongitude, or verbatimCoordinates are based.
Comments Recommended best practice is to use the EPSG code of the SRS, if known. Otherwise use a controlled vocabulary for the name or code of the geodetic datum, if known. Otherwise use a controlled vocabulary for the name or code of the ellipsoid, if known. If none of these is known, use the value `unknown`.
Examples `unknown`, `EPSG:4326`, `WGS84`, `NAD27`, `Campo Inchauspe`, `European 1950`, `Clarke 1866`
footprint_WKT Property
Identifier http://rs.tdwg.org/dwc/terms/footprintWKT
Definition A Well-Known Text (WKT) representation of the shape (footprint, geometry) that defines the Location. A Location may have both a point-radius representation (see decimalLatitude) and a footprint representation, and they may differ from each other.
Comments
Examples `POLYGON ((10 20, 11 20, 11 21, 10 21, 10 20))` (the one-degree bounding box with opposite corners at longitude=10, latitude=20 and longitude=11, latitude=21)
footprint_SRS Property
Identifier http://rs.tdwg.org/dwc/terms/footprintSRS
Definition A Well-Known Text (WKT) representation of the Spatial Reference System (SRS) for the footprintWKT of the Location. Do not use this term to describe the SRS of the decimalLatitude and decimalLongitude, even if it is the same as for the footprintWKT - use the geodeticDatum instead.
Comments
Examples `GEOGCS["GCS_WGS_1984", DATUM["D_WGS_1984", SPHEROID["WGS_1984",6378137,298.257223563]], PRIMEM["Greenwich",0], UNIT["Degree",0.0174532925199433]]` (WKT for the standard WGS84 Spatial Reference System EPSG:4326).
footprint_spatial_fit Property
Identifier http://rs.tdwg.org/dwc/terms/footprintSpatialFit
Definition The ratio of the area of the footprint (footprintWKT) to the area of the true (original, or most specific) spatial representation of the Location. Legal values are 0, greater than or equal to 1, or undefined. A value of 1 is an exact match or 100% overlap. A value of 0 should be used if the given footprint does not completely contain the original representation. The footprintSpatialFit is undefined (and should be left blank) if the original representation is a point and the given georeference is not that same point. If both the original and the given georeference are the same point, the footprintSpatialFit is 1.
Comments Detailed explanations with graphical examples can be found in the Guide to Best Practices for Georeferencing, Chapman and Wieczorek, eds. 2006.
Examples Detailed explanations with graphical examples can be found in the Guide to Best Practices for Georeferencing, Chapman and Wieczorek, eds. 2006.
georeferenced_by Property
Identifier http://rs.tdwg.org/dwc/terms/georeferencedBy
Definition A list (concatenated and separated) of names of people, groups, or organizations who determined the georeference (spatial representation) for the Location.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `Brad Millen (ROM)`, `Kristina Yamamoto | Janet Fang`
georeferenced_date Property
Identifier http://rs.tdwg.org/dwc/terms/georeferencedDate
Definition The date on which the Location was georeferenced.
Comments Recommended best practice is to use a date that conforms to ISO 8601:2004(E).
Examples `1963-03-08T14:07-0600` (8 Mar 1963 at 2:07pm in the time zone six hours earlier than UTC). `2009-02-20T08:40Z` (20 February 2009 8:40am UTC). `2018-08-29T15:19` (3:19pm local time on 29 August 2018). `1809-02-12` (some time during 12 February 1809). `1906-06` (some time in June 1906). `1971` (some time in the year 1971). `2007-03-01T13:00:00Z/2008-05-11T15:30:00Z` (some time during the interval between 1 March 2007 1pm UTC and 11 May 2008 3:30pm UTC). `1900/1909` (some time during the interval between the beginning of the year 1900 and the end of the year 1909). `2007-11-13/15` (some time in the interval between 13 November 2007 and 15 November 2007).
georeference_protocol Property
Identifier http://rs.tdwg.org/dwc/terms/georeferenceProtocol
Definition A description or reference to the methods used to determine the spatial footprint, coordinates, and uncertainties.
Comments
Examples `Guide to Best Practices for Georeferencing. (Chapman and Wieczorek, eds. 2006). Global Biodiversity Information Facility.`, `MaNIS/HerpNet/ORNIS Georeferencing Guidelines`, `Georeferencing Quick Reference Guide`
georeference_sources Property
Identifier http://rs.tdwg.org/dwc/terms/georeferenceSources
Definition A list (concatenated and separated) of maps, gazetteers, or other resources used to georeference the Location, described specifically enough to allow anyone in the future to use the same resources.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `https://www.geonames.org/`, `USGS 1:24000 Florence Montana Quad | Terrametrics 2008 on Google Earth`, `GeoLocate`
georeference_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/georeferenceRemarks
Definition Notes or comments about the spatial description determination, explaining assumptions made in addition or opposition to the those formalized in the method referred to in georeferenceProtocol.
Comments
Examples `Assumed distance by road (Hwy. 101)`.

Context

21 properties

context_ID earliest_eon_or_lowest_eonothem latest_eon_or_highest_eonothem earliest_era_or_lowest_erathem latest_era_or_highest_erathem earliest_period_or_lowest_system latest_period_or_highest_system earliest_epoch_or_lowest_series latest_epoch_or_highest_series earliest_age_or_lowest_stage latest_age_or_highest_stage lowest_biostratigraphic_zone highest_biostratigraphic_zone lithostratigraphic_terms group formation member bed earliest_cultural_period latest_cultural_period in_situ
ContextClass
Identifier http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition Geological information, such as stratigraphy, that qualifies a region or place.
Comments
Examples A lithostratigraphic layer.
context_ID Property
Identifier http://rs.tdwg.org/dwc/terms/geologicalContextID
Definition An identifier for the set of information associated with a GeologicalContext (the location within a geological context, such as stratigraphy). May be a global unique identifier or an identifier specific to the data set.
Comments
Examples `https://opencontext.org/subjects/e54377f7-4452-4315-b676-40679b10c4d9`
earliest_eon_or_lowest_eonothem Property
Identifier http://rs.tdwg.org/dwc/terms/earliestEonOrLowestEonothem
Definition The full name of the earliest possible geochronologic eon or lowest chrono-stratigraphic eonothem or the informal name ("Precambrian") attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Phanerozoic`, `Proterozoic`
latest_eon_or_highest_eonothem Property
Identifier http://rs.tdwg.org/dwc/terms/latestEonOrHighestEonothem
Definition The full name of the latest possible geochronologic eon or highest chrono-stratigraphic eonothem or the informal name ("Precambrian") attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Phanerozoic`, `Proterozoic`
earliest_era_or_lowest_erathem Property
Identifier http://rs.tdwg.org/dwc/terms/earliestEraOrLowestErathem
Definition The full name of the earliest possible geochronologic era or lowest chronostratigraphic erathem attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Cenozoic`, `Mesozoic`
latest_era_or_highest_erathem Property
Identifier http://rs.tdwg.org/dwc/terms/latestEraOrHighestErathem
Definition The full name of the latest possible geochronologic era or highest chronostratigraphic erathem attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Cenozoic`, `Mesozoic`
earliest_period_or_lowest_system Property
Identifier http://rs.tdwg.org/dwc/terms/earliestPeriodOrLowestSystem
Definition The full name of the earliest possible geochronologic period or lowest chronostratigraphic system attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Neogene`, `Tertiary`, `Quaternary`
latest_period_or_highest_system Property
Identifier http://rs.tdwg.org/dwc/terms/latestPeriodOrHighestSystem
Definition The full name of the latest possible geochronologic period or highest chronostratigraphic system attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Neogene`, `Tertiary`, `Quaternary`
earliest_epoch_or_lowest_series Property
Identifier http://rs.tdwg.org/dwc/terms/earliestEpochOrLowestSeries
Definition The full name of the earliest possible geochronologic epoch or lowest chronostratigraphic series attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Holocene`, `Pleistocene`, `Ibexian Series`
latest_epoch_or_highest_series Property
Identifier http://rs.tdwg.org/dwc/terms/latestEpochOrHighestSeries
Definition The full name of the latest possible geochronologic epoch or highest chronostratigraphic series attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Holocene`, `Pleistocene`, `Ibexian Series`
earliest_age_or_lowest_stage Property
Identifier http://rs.tdwg.org/dwc/terms/earliestAgeOrLowestStage
Definition The full name of the earliest possible geochronologic age or lowest chronostratigraphic stage attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Atlantic`, `Boreal`, `Skullrockian`
latest_age_or_highest_stage Property
Identifier http://rs.tdwg.org/dwc/terms/latestAgeOrHighestStage
Definition The full name of the latest possible geochronologic age or highest chronostratigraphic stage attributable to the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Atlantic`, `Boreal`, `Skullrockian`
lowest_biostratigraphic_zone Property
Identifier http://rs.tdwg.org/dwc/terms/lowestBiostratigraphicZone
Definition The full name of the lowest possible geological biostratigraphic zone of the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Maastrichtian`
highest_biostratigraphic_zone Property
Identifier http://rs.tdwg.org/dwc/terms/highestBiostratigraphicZone
Definition The full name of the highest possible geological biostratigraphic zone of the stratigraphic horizon from which the cataloged item was collected.
Comments
Examples `Blancan`
lithostratigraphic_terms Property
Identifier http://rs.tdwg.org/dwc/terms/lithostratigraphicTerms
Definition The combination of all litho-stratigraphic names for the rock from which the cataloged item was collected.
Comments
Examples `Pleistocene-Weichselien`
group Property
Identifier http://rs.tdwg.org/dwc/terms/group
Definition The full name of the lithostratigraphic group from which the cataloged item was collected.
Comments
Examples `Bathurst`, `Lower Wealden`
formation Property
Identifier http://rs.tdwg.org/dwc/terms/formation
Definition The full name of the lithostratigraphic formation from which the cataloged item was collected.
Comments
Examples `Notch Peak Formation`, `House Limestone`, `Fillmore Formation`
member Property
Identifier http://rs.tdwg.org/dwc/terms/member
Definition The full name of the lithostratigraphic member from which the cataloged item was collected.
Comments
Examples `Lava Dam Member`, `Hellnmaria Member`
bed Property
Identifier http://rs.tdwg.org/dwc/terms/bed
Definition The full name of the lithostratigraphic bed from which the cataloged item was collected.
Comments
Examples `Harlem coal`
earliest_cultural_period Property
Identifier https://paleocore.org/pc/terms/earliestCulturalPeriod
Definition Vertical dimension or stratigraphic position of a Find as defined by earliest relatively-dated cultural periods/layers.
Comments
Examples Lower Paleolithic, Mousterian
latest_cultural_period Property
Identifier https://paleocore.org/pc/terms/latestCulturalPeriod
Definition Vertical dimension or stratigraphic position of a Find as defined by latest relatively-dated cultural periods/layers.
Comments
Examples Upper Paleolithic, Neolithic
in_situ Property
Identifier None
Definition Whether the item was found in its presumed original geological context (Yes), or whether it is has clearly been relocated from its original geological context (No).
Comments
Examples

Classification

15 properties

identificationID identification_qualifier type_status identified_by date_identified identification_references identification_verification_status identification_remarks verbatim_identification type_name type_id typology_name typology_citation higher_category type_remarks
ClassificationClass
Identifier http://rs.tdwg.org/dwc/terms/Identification
Definition A taxonomic determination (e.g., the assignment to a taxon).
Comments
Examples A subspecies determination of an organism.
identificationID Property
Identifier http://rs.tdwg.org/dwc/terms/identificationID
Definition An identifier for the Identification (the body of information associated with the assignment of a scientific name). May be a global unique identifier or an identifier specific to the data set.
Comments
Examples `9992`
identification_qualifier Property
Identifier http://rs.tdwg.org/dwc/terms/identificationQualifier
Definition A brief phrase or a standard term ("cf.", "aff.") to express the determiner's doubts about the Identification.
Comments
Examples `aff. agrifolia var. oxyadenia` (for `Quercus aff. agrifolia var. oxyadenia` with accompanying values `Quercus` in genus, `agrifolia` in specificEpithet, `oxyadenia` in infraspecificEpithet, and `var.` in taxonRank. `cf. var. oxyadenia` for `Quercus agrifolia cf. var. oxyadenia` with accompanying values `Quercus` in genus, `agrifolia` in specificEpithet, `oxyadenia` in infraspecificEpithet, and `var.` in taxonRank.
type_status Property
Identifier http://rs.tdwg.org/dwc/terms/typeStatus
Definition A list (concatenated and separated) of nomenclatural types (type status, typified scientific name, publication) applied to the subject.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `holotype of Ctenomys sociabilis. Pearson O. P., and M. I. Christie. 1985. Historia Natural, 5(37):388`, `holotype of Pinus abies | holotype of Picea abies`
identified_by Property
Identifier http://rs.tdwg.org/dwc/terms/identifiedBy
Definition A list (concatenated and separated) of names of people, groups, or organizations who assigned the Taxon to the subject.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `James L. Patton`, `Theodore Pappenfuss | Robert Macey`
date_identified Property
Identifier http://rs.tdwg.org/dwc/terms/dateIdentified
Definition The date on which the subject was identified as representing the Taxon.
Comments Recommended best practice is to use a date that conforms to ISO 8601:2004(E).
Examples `1963-03-08T14:07-0600` (8 Mar 1963 at 2:07pm in the time zone six hours earlier than UTC). `2009-02-20T08:40Z` (20 February 2009 8:40am UTC). `2018-08-29T15:19` (3:19pm local time on 29 August 2018). `1809-02-12` (some time during 12 February 1809). `1906-06` (some time in June 1906). `1971` (some time in the year 1971). `2007-03-01T13:00:00Z/2008-05-11T15:30:00Z` (some time during the interval between 1 March 2007 1pm UTC and 11 May 2008 3:30pm UTC). `1900/1909` (some time during the interval between the beginning of the year 1900 and the end of the year 1909). `2007-11-13/15` (some time in the interval between 13 November 2007 and 15 November 2007).
identification_references Property
Identifier http://rs.tdwg.org/dwc/terms/identificationReferences
Definition A list (concatenated and separated) of references (publication, global unique identifier, URI) used in the Identification.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `Aves del Noroeste Patagonico. Christie et al. 2004.`, `Stebbins, R. Field Guide to Western Reptiles and Amphibians. 3rd Edition. 2003. | Irschick, D.J. and Shaffer, H.B. (1997). The polytypic species revisited: Morphological differentiation among tiger salamanders (Ambystoma tigrinum) (Amphibia: Caudata). Herpetologica, 53(1), 30-49.`
identification_verification_status Property
Identifier http://rs.tdwg.org/dwc/terms/identificationVerificationStatus
Definition A categorical indicator of the extent to which the taxonomic identification has been verified to be correct.
Comments Recommended best practice is to use a controlled vocabulary such as that used in HISPID and ABCD.
Examples `0` ("unverified" in HISPID/ABCD).
identification_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/identificationRemarks
Definition Comments or notes about the Identification.
Comments
Examples `Distinguished between Anthus correndera and Anthus hellmayri based on the comparative lengths of the uñas.`
verbatim_identification Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimIdentification
Definition A string representing the taxonomic identification as it appeared in the original record.
Comments This term is meant to allow the capture of an unaltered original identification/determination, including identification qualifiers, hybrid formulas, uncertainties, etc. This term is meant to be used in addition to scientificName (and identificationQualifier etc.), not instead of it.
Examples Peromyscus sp., Ministrymon sp. nov. 1, Anser anser X Branta canadensis, Pachyporidae?
type_name Property
Identifier https://paleocore.org/pc/terms/type_name
Definition The vernacular name of a typological type.
Comments
Examples "typical endscraper", "one-handled cup"
type_id Property
Identifier https://paleocore.org/pc/terms/type_id
Definition Unique identifier of a type in a typology. This can be specified by the typological classification system itself.
Comments
Examples "Bordian type 4", "Mode D1"
typology_name Property
Identifier https://paleocore.org/pc/terms/typology_name
Definition Name of the typological classification system used to specify the type that identifies the artifact.
Comments
Examples "Bordes typology", "Sagalassos Red Slip Ware typology"
typology_citation Property
Identifier https://paleocore.org/pc/terms/typology_citation
Definition Publication where typology being used is described.
Comments
Examples "Debénath, André, and Harold L. Dibble. Handbook of Paleolithic Typology: Lower and middle paleolithic of Europe. Vol. 1. UPenn Museum of Archaeology, 1994."
higher_category Property
Identifier https://paleocore.org/pc/terms/higher_category
Definition A list (concatenated and separated) of type names of categories of which the identified type is a subcategory.
Comments Recommended best practice is to separate the values in a list with space vertical bar space ( | ), with terms in order from the highest rank to the lowest.
Examples "Upper Paleolithic types", "drinking vessel"
type_remarks Property
Identifier https://paleocore.org/pc/terms/type_remarks
Definition Comments or notes about the Type.
Comments
Examples

Taxon

34 properties

taxon_id taxon_concept_ID scientific_name scientific_name_ID accepted_name_usage accepted_name_usage_ID original_name_usage original_name_usage_ID parent_name_usage parent_name_usage_ID higher_classification kingdom phylum class order family tribe genus subgenus specific_epithet infraspecific_epithet scientific_name_authorship name_according_to name_according_to_ID name_published_in name_published_in_ID name_published_in_year taxon_rank verbatim_taxon_rank vernacular_name taxonomic_status nomenclatural_status nomenclatural_code taxon_remarks
TaxonClass
Identifier http://rs.tdwg.org/dwc/terms/Taxon
Definition A group of organisms (sensu http://purl.obolibrary.org/obo/OBI_0100026) considered by taxonomists to form a homogeneous unit.
Comments
Examples The genus Truncorotaloides as published by Brönnimann et al. in 1953 in the Journal of Paleontology Vol. 27(6) p. 817-820.
taxon_id Property
Identifier http://rs.tdwg.org/dwc/terms/taxonID
Definition An identifier for the set of taxon information (data associated with the Taxon class). May be a global unique identifier or an identifier specific to the data set.
Comments
Examples `8fa58e08-08de-4ac1-b69c-1235340b7001`, `32567`, `https://www.gbif.org/species/212`
taxon_concept_ID Property
Identifier http://rs.tdwg.org/dwc/terms/taxonConceptID
Definition An identifier for the taxonomic concept to which the record refers - not for the nomenclatural details of a taxon.
Comments
Examples `8fa58e08-08de-4ac1-b69c-1235340b7001`
scientific_name Property
Identifier http://rs.tdwg.org/dwc/terms/scientificName
Definition The full scientific name, with authorship and date information if known. When forming part of an Identification, this should be the name in lowest level taxonomic rank that can be determined. This term should not contain identification qualifications, which should instead be supplied in the IdentificationQualifier term.
Comments
Examples `Coleoptera` (order). `Vespertilionidae` (family). `Manis` (genus). `Ctenomys sociabilis` (genus + specificEpithet). `Ambystoma tigrinum diaboli` (genus + specificEpithet + infraspecificEpithet). `Roptrocerus typographi (Györfi, 1952)` (genus + specificEpithet + scientificNameAuthorship), `Quercus agrifolia var. oxyadenia (Torr.) J.T. Howell` (genus + specificEpithet + taxonRank + infraspecificEpithet + scientificNameAuthorship).
scientific_name_ID Property
Identifier http://rs.tdwg.org/dwc/terms/scientificNameID
Definition An identifier for the nomenclatural (not taxonomic) details of a scientific name.
Comments
Examples `urn:lsid:ipni.org:names:37829-1:1.3`
accepted_name_usage Property
Identifier http://rs.tdwg.org/dwc/terms/acceptedNameUsage
Definition The full name, with authorship and date information if known, of the currently valid (zoological) or accepted (botanical) taxon.
Comments
Examples `Tamias minimus` (valid name for Eutamias minimus).
accepted_name_usage_ID Property
Identifier http://rs.tdwg.org/dwc/terms/acceptedNameUsageID
Definition An identifier for the name usage (documented meaning of the name according to a source) of the currently valid (zoological) or accepted (botanical) taxon.
Comments
Examples `8fa58e08-08de-4ac1-b69c-1235340b7001`
original_name_usage Property
Identifier http://rs.tdwg.org/dwc/terms/originalNameUsage
Definition The taxon name, with authorship and date information if known, as it originally appeared when first established under the rules of the associated nomenclaturalCode. The basionym (botany) or basonym (bacteriology) of the scientificName or the senior/earlier homonym for replaced names.
Comments
Examples `Pinus abies`, `Gasterosteus saltatrix Linnaeus 1768`
original_name_usage_ID Property
Identifier http://rs.tdwg.org/dwc/terms/originalNameUsageID
Definition An identifier for the name usage (documented meaning of the name according to a source) in which the terminal element of the scientificName was originally established under the rules of the associated nomenclaturalCode.
Comments
Examples `https://www.gbif.org/species/2685484`
parent_name_usage Property
Identifier http://rs.tdwg.org/dwc/terms/parentNameUsage
Definition The full name, with authorship and date information if known, of the direct, most proximate higher-rank parent taxon (in a classification) of the most specific element of the scientificName.
Comments
Examples `Rubiaceae`, `Gruiformes`, `Testudinae`
parent_name_usage_ID Property
Identifier http://rs.tdwg.org/dwc/terms/parentNameUsageID
Definition An identifier for the name usage (documented meaning of the name according to a source) of the direct, most proximate higher-rank parent taxon (in a classification) of the most specific element of the scientificName.
Comments
Examples `https://www.gbif.org/species/2684876`
higher_classification Property
Identifier http://rs.tdwg.org/dwc/terms/higherClassification
Definition A list (concatenated and separated) of taxa names terminating at the rank immediately superior to the taxon referenced in the taxon record.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `), with terms in order from the highest taxonomic rank to the lowest.
Examples `Plantae | Tracheophyta | Magnoliopsida | Ranunculales | Ranunculaceae | Ranunculus`, `Animalia`, `Animalia | Chordata | Vertebrata | Mammalia | Theria | Eutheria | Rodentia | Hystricognatha | Hystricognathi | Ctenomyidae | Ctenomyini | Ctenomys`
kingdom Property
Identifier http://rs.tdwg.org/dwc/terms/kingdom
Definition The full scientific name of the kingdom in which the taxon is classified.
Comments
Examples `Animalia`, `Archaea`, `Bacteria`, `Chromista`, `Fungi`, `Plantae`, `Protozoa`, `Viruses`
phylum Property
Identifier http://rs.tdwg.org/dwc/terms/phylum
Definition The full scientific name of the phylum or division in which the taxon is classified.
Comments
Examples `Chordata` (phylum). `Bryophyta` (division).
class Property
Identifier http://rs.tdwg.org/dwc/terms/class
Definition The full scientific name of the class in which the taxon is classified.
Comments
Examples `Mammalia`, `Hepaticopsida`
order Property
Identifier http://rs.tdwg.org/dwc/terms/order
Definition The full scientific name of the order in which the taxon is classified.
Comments
Examples `Carnivora`, `Monocleales`
family Property
Identifier http://rs.tdwg.org/dwc/terms/family
Definition The full scientific name of the family in which the taxon is classified.
Comments
Examples `Felidae`, `Monocleaceae`
tribe Property
Identifier None
Definition The full scientific name of the tribe in which the taxon is classified
Comments
Examples Examples: "Alcelaphini", "Hominini"
genus Property
Identifier http://rs.tdwg.org/dwc/terms/genus
Definition The full scientific name of the genus in which the taxon is classified.
Comments
Examples `Puma`, `Monoclea`
subgenus Property
Identifier http://rs.tdwg.org/dwc/terms/subgenus
Definition The full scientific name of the subgenus in which the taxon is classified. Values should include the genus to avoid homonym confusion.
Comments
Examples `Strobus`, `Amerigo`, `Pilosella`
specific_epithet Property
Identifier http://rs.tdwg.org/dwc/terms/specificEpithet
Definition The name of the first or species epithet of the scientificName.
Comments
Examples `concolor`, `gottschei`
infraspecific_epithet Property
Identifier http://rs.tdwg.org/dwc/terms/infraspecificEpithet
Definition The name of the lowest or terminal infraspecific epithet of the scientificName, excluding any rank designation.
Comments
Examples `concolor`, `oxyadenia`, `sayi`
scientific_name_authorship Property
Identifier http://rs.tdwg.org/dwc/terms/scientificNameAuthorship
Definition The authorship information for the scientificName formatted according to the conventions of the applicable nomenclaturalCode.
Comments
Examples `(Torr.) J.T. Howell`, `(Martinovský) Tzvelev`, `(Györfi, 1952)`
name_according_to Property
Identifier http://rs.tdwg.org/dwc/terms/nameAccordingTo
Definition The reference to the source in which the specific taxon concept circumscription is defined or implied - traditionally signified by the Latin "sensu" or "sec." (from secundum, meaning "according to"). For taxa that result from identifications, a reference to the keys, monographs, experts and other sources should be given.
Comments
Examples `McCranie, J. R., D. B. Wake, and L. D. Wilson. 1996. The taxonomic status of Bolitoglossa schmidti, with comments on the biology of the Mesoamerican salamander Bolitoglossa dofleini (Caudata: Plethodontidae). Carib. J. Sci. 32:395-398.`, `Werner Greuter 2008`. `Lilljeborg 1861, Upsala Univ. Arsskrift, Math. Naturvet., pp. 4, 5`
name_according_to_ID Property
Identifier http://rs.tdwg.org/dwc/terms/nameAccordingToID
Definition An identifier for the source in which the specific taxon concept circumscription is defined or implied. See nameAccordingTo.
Comments
Examples `https://doi.org/10.1016/S0269-915X(97)80026-2`
name_published_in Property
Identifier http://rs.tdwg.org/dwc/terms/namePublishedIn
Definition A reference for the publication in which the scientificName was originally established under the rules of the associated nomenclaturalCode.
Comments
Examples `Pearson O. P., and M. I. Christie. 1985. Historia Natural, 5(37):388`, `Forel, Auguste, Diagnosies provisoires de quelques espèces nouvelles de fourmis de Madagascar, récoltées par M. Grandidier., Annales de la Societe Entomologique de Belgique, Comptes-rendus des Seances 30, 1886`
name_published_in_ID Property
Identifier http://rs.tdwg.org/dwc/terms/namePublishedInID
Definition An identifier for the publication in which the scientificName was originally established under the rules of the associated nomenclaturalCode.
Comments
Examples `http://hdl.handle.net/10199/7`
name_published_in_year Property
Identifier http://rs.tdwg.org/dwc/terms/namePublishedInYear
Definition The four-digit year in which the scientificName was published.
Comments
Examples `1915`, `2008`
taxon_rank Property
Identifier http://rs.tdwg.org/dwc/terms/taxonRank
Definition The taxonomic rank of the most specific name in the scientificName.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `subspecies`, `varietas`, `forma`, `species`, `genus`
verbatim_taxon_rank Property
Identifier http://rs.tdwg.org/dwc/terms/verbatimTaxonRank
Definition The taxonomic rank of the most specific name in the scientificName as it appears in the original record.
Comments
Examples `Agamospecies`, `sub-lesus`, `prole`, `apomict`, `nothogrex`, `sp.`, `subsp.`, `var.`
vernacular_name Property
Identifier http://rs.tdwg.org/dwc/terms/vernacularName
Definition A common or vernacular name.
Comments
Examples `Andean Condor`, `Condor Andino`, `American Eagle`, `Gänsegeier`
taxonomic_status Property
Identifier http://rs.tdwg.org/dwc/terms/taxonomicStatus
Definition The status of the use of the scientificName as a label for a taxon. Requires taxonomic opinion to define the scope of a taxon. Rules of priority then are used to define the taxonomic status of the nomenclature contained in that scope, combined with the experts opinion. It must be linked to a specific taxonomic reference that defines the concept.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `invalid`, `misapplied`, `homotypic synonym`, `accepted`
nomenclatural_status Property
Identifier http://rs.tdwg.org/dwc/terms/nomenclaturalStatus
Definition The status related to the original publication of the name and its conformance to the relevant rules of nomenclature. It is based essentially on an algorithm according to the business rules of the code. It requires no taxonomic opinion.
Comments
Examples `nom. ambig.`, `nom. illeg.`, `nom. subnud.`
nomenclatural_code Property
Identifier http://rs.tdwg.org/dwc/terms/nomenclaturalCode
Definition The nomenclatural code (or codes in the case of an ambiregnal name) under which the scientificName is constructed.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `ICN`, `ICZN`, `BC`, `ICNCP`, `BioCode`
taxon_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/taxonRemarks
Definition Comments or notes about the taxon or name.
Comments
Examples `this name is a misspelling in common use`

MeasurementOrFact

9 properties

measurement_ID measurement_type measurement_value measurement_accuracy measurement_unit measurement_determined_by measurement_determined_date measurement_method measurement_remarks
MeasurementOrFactClass
Identifier http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition A measurement of or fact about an rdfs:Resource (http://www.w3.org/2000/01/rdf-schema#Resource).
Comments Resources can be thought of as identifiable records or instances of classes and may include, but need not be limited to dwc:Occurrence, dwc:Organism, dwc:MaterialSample, dwc:Event, dwc:Location, dwc:GeologicalContext, dwc:Identification, or dwc:Taxon.
Examples The weight of an organism in grams. The number of placental scars. Surface water temperature in Celsius.
measurement_ID Property
Identifier http://rs.tdwg.org/dwc/terms/measurementID
Definition An identifier for the MeasurementOrFact (information pertaining to measurements, facts, characteristics, or assertions). May be a global unique identifier or an identifier specific to the data set.
Comments
Examples `9c752d22-b09a-11e8-96f8-529269fb1459`
measurement_type Property
Identifier http://rs.tdwg.org/dwc/terms/measurementType
Definition The nature of the measurement, fact, characteristic, or assertion.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `tail length`, `temperature`, `trap line length`, `survey area`, `trap type`
measurement_value Property
Identifier http://rs.tdwg.org/dwc/terms/measurementValue
Definition The value of the measurement, fact, characteristic, or assertion.
Comments
Examples `45`, `20`, `1`, `14.5`, `UV-light`
measurement_accuracy Property
Identifier http://rs.tdwg.org/dwc/terms/measurementAccuracy
Definition The description of the potential error associated with the measurementValue.
Comments
Examples `0.01`, `normal distribution with variation of 2 m`
measurement_unit Property
Identifier http://rs.tdwg.org/dwc/terms/measurementUnit
Definition The units associated with the measurementValue.
Comments Recommended best practice is to use the International System of Units (SI).
Examples `mm`, `C`, `km`, `ha`
measurement_determined_by Property
Identifier http://rs.tdwg.org/dwc/terms/measurementDeterminedBy
Definition A list (concatenated and separated) of names of people, groups, or organizations who determined the value of the MeasurementOrFact.
Comments Recommended best practice is to separate the values in a list with space vertical bar space (` | `).
Examples `Rob Guralnick`, `Peter Desmet | Stijn Van Hoey`
measurement_determined_date Property
Identifier http://rs.tdwg.org/dwc/terms/measurementDeterminedDate
Definition The date on which the MeasurementOrFact was made.
Comments Recommended best practice is to use a date that conforms to ISO 8601:2004(E).
Examples `1963-03-08T14:07-0600` (8 Mar 1963 at 2:07pm in the time zone six hours earlier than UTC). `2009-02-20T08:40Z` (20 February 2009 8:40am UTC). `2018-08-29T15:19` (3:19pm local time on 29 August 2018). `1809-02-12` (some time during 12 February 1809). `1906-06` (some time in June 1906). `1971` (some time in the year 1971). `2007-03-01T13:00:00Z/2008-05-11T15:30:00Z` (some time during the interval between 1 March 2007 1pm UTC and 11 May 2008 3:30pm UTC). `1900/1909` (some time during the interval between the beginning of the year 1900 and the end of the year 1909). `2007-11-13/15` (some time in the interval between 13 November 2007 and 15 November 2007).
measurement_method Property
Identifier http://rs.tdwg.org/dwc/terms/measurementMethod
Definition A description of or reference to (publication, URI) the method or protocol used to determine the measurement, fact, characteristic, or assertion.
Comments
Examples `minimum convex polygon around burrow entrances` (for a home range area). `barometric altimeter` (for an elevation).
measurement_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/measurementRemarks
Definition Comments or notes accompanying the MeasurementOrFact.
Comments
Examples `tip of tail missing`

Resource Relationship

9 properties

resource_relationship_ID has_identifier resource_ID related_resource_ID relationship_of_resource relationship_of_resource_id relationship_according_to relationship_established_date relationship_remarks
Resource RelationshipClass
Identifier http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition A relationship of one rdfs:Resource (http://www.w3.org/2000/01/rdf-schema#Resource) to another.
Comments Resources can be thought of as identifiable records or instances of classes and may include, but need not be limited to dwc:Occurrence, dwc:Organism, dwc:MaterialSample, dwc:Event, dwc:Location, dwc:GeologicalContext, dwc:Identification, or dwc:Taxon.
Examples An instance of an Organism is the mother of another instance of an Organism. A uniquely identified Occurrence represents the same Occurrence as another uniquely identified Occurrence. A MaterialSample is a subsample of another MaterialSample.
resource_relationship_ID Property
Identifier http://rs.tdwg.org/dwc/terms/resourceRelationshipID
Definition An identifier for an instance of relationship between one resource (the subject) and another (relatedResource, the object).
Comments
Examples `04b16710-b09c-11e8-96f8-529269fb1459`
has_identifier Property
Identifier https://rs.tdwg.org/ltc/terms/hasIdentifier
Definition This property refers to one or more related instances of the Identifier class.
Comments
Examples
resource_ID Property
Identifier http://rs.tdwg.org/dwc/terms/resourceID
Definition An identifier for the resource that is the subject of the relationship.
Comments
Examples `f809b9e0-b09b-11e8-96f8-529269fb1459`
related_resource_ID Property
Identifier http://rs.tdwg.org/dwc/terms/relatedResourceID
Definition An identifier for a related resource (the object, rather than the subject of the relationship).
Comments
Examples `dc609808-b09b-11e8-96f8-529269fb1459`
relationship_of_resource Property
Identifier http://rs.tdwg.org/dwc/terms/relationshipOfResource
Definition The relationship of the resource identified by relatedResourceID to the subject (optionally identified by the resourceID).
Comments Recommended best practice is to use a controlled vocabulary.
Examples `sameAs`, `duplicate of`, `mother of`, `endoparasite of`, `host to`, `sibling of`, `valid synonym of`, `located within`
relationship_of_resource_id Property
Identifier http://rs.tdwg.org/dwc/terms/relationshipOfResourceID
Definition An identifier for the relationship type (predicate) that connects the subject identified by resourceID to its object identified by relatedResourceID.
Comments Recommended best practice is to use the identifiers of the terms in a controlled vocabulary, such as the OBO Relation Ontology.
Examples http://purl.obolibrary.org/obo/RO_0002456 (for the relation "pollinated by"), http://purl.obolibrary.org/obo/RO_0002455 (for the relation "pollinates"), https://www.inaturalist.org/observation_fields/879 (for the relation "eaten by")
relationship_according_to Property
Identifier http://rs.tdwg.org/dwc/terms/relationshipAccordingTo
Definition The source (person, organization, publication, reference) establishing the relationship between the two resources.
Comments
Examples `Julie Woodruff`
relationship_established_date Property
Identifier http://rs.tdwg.org/dwc/terms/relationshipEstablishedDate
Definition The date-time on which the relationship between the two resources was established.
Comments Recommended best practice is to use a date that conforms to ISO 8601:2004(E).
Examples `1963-03-08T14:07-0600` (8 Mar 1963 at 2:07pm in the time zone six hours earlier than UTC). `2009-02-20T08:40Z` (20 February 2009 8:40am UTC). `2018-08-29T15:19` (3:19pm local time on 29 August 2018). `1809-02-12` (some time during 12 February 1809). `1906-06` (some time in June 1906). `1971` (some time in the year 1971). `2007-03-01T13:00:00Z/2008-05-11T15:30:00Z` (some time during the interval between 1 March 2007 1pm UTC and 11 May 2008 3:30pm UTC). `1900/1909` (some time during the interval between the beginning of the year 1900 and the end of the year 1909). `2007-11-13/15` (some time in the interval between 13 November 2007 and 15 November 2007).
relationship_remarks Property
Identifier http://rs.tdwg.org/dwc/terms/relationshipRemarks
Definition Comments or notes about the relationship between the two resources.
Comments
Examples `mother and offspring collected from the same nest`, `pollinator captured in the act`

Reference

9 properties

has_identifier reference_details resource_IRI chronometricAgeConversionProtocol materialDated object_type latestChronometricAgeReferenceSystem latestChronometricAge materialDatedID
ReferenceClass
Identifier None
Definition A reference to external resources and information related to the class.
Comments In Latimer Core, this class can be used to store references to publications, policies, datasets and other online resources such as websites, related to classes within the standard.
Examples
has_identifier Property
Identifier None
Definition This property refers to one or more related instances of the Identifier class.
Comments
Examples
reference_details Property
Identifier http://rs.tdwg.org/ltc/terms/referenceDetails
Definition Detailed information about the resource being referenced.
Comments
Examples This dataset includes a Darwin Core Archive of the ~8000 specimens digitised to date, of which ~80% also have an associated label image.de Mestier A, Mulcahy D, Harris DJ, et al. (2023) Policies Handbook on Using Molecular Collections. Research Ideas and Outcomes 9: e102908. https://doi.org/10.3897/rio.9.e102908Suggested citation: USDA-ARS US National Fungus Collection (2023). USDA United States National Fungus Collections. Occurrence dataset https://doi.org/10.15468/w78rwb accessed via GBIF.org on 2023-04-27.
resource_IRI Property
Identifier None
Definition A preferably resolvable IRI providing access to the resource defined in the reference.
Comments
Examples 10.5072/example-fullhttps://examplemuseum.org/policies/loans-policy.pdf
chronometricAgeConversionProtocol Property
Identifier http://rs.tdwg.org/chrono/terms/chronometricAgeConversionProtocol
Definition The method used for converting the uncalibratedChronometricAge into a chronometric age in years, as captured in the earliestChronometricAge, earliestChronometricAgeReferenceSystem, latestChronometricAge, and latestChronometricAgeReferenceSystem fields.
Comments For example, calibration of conventional radiocarbon age or the currently accepted age range of a cultural or geological period.
Examples `INTCAL13`, `sequential 6 phase Bayesian model and IntCal13 calibration`
materialDated Property
Identifier http://rs.tdwg.org/chrono/terms/materialDated
Definition A description of the material on which the chronometricAgeProtocol was actually performed, if known.
Comments
Examples `Double Tuff`, `Charcoal found in Stratum V`, `charred wood`, `tooth`
object_type Property
Identifier None
Definition High-level terms for the classification of curated objects.
Comments Hands-on, practical attributes classifying the stored curated objects. You will expect to find these kinds and types of objects when you go to and access their storage location. This should not be used for classifying objects by taxon. The best way to do that is to use the Taxon class (formal taxonomy and vernacular names) or ObjectClassification class (informal classification).
Examples if baseTypeOfObjectGroup = MaterialEntity: SpecimenTissueCultureHTS LibraryLysateEnvironmental sampleExtracted/Preserved DNA/RNAMicroscope slideSpore printMacrofossilMesofossilMicrofossilOversized fossil; if typeOfObjectGroup = Non-biological: Macro-objectMicro-objectOversized objectCut/polished gemstoneCoreFluidHazardous material/objectMixed; if baseTypeOfObjectGroup = InformationArtefact: TextAudioVisual
latestChronometricAgeReferenceSystem Property
Identifier http://rs.tdwg.org/chrono/terms/latestChronometricAgeReferenceSystem
Definition The reference system associated with the latestChronometricAge.
Comments Recommended best practice is to use a controlled vocabulary.
Examples `kya`,`mya`,`BP`,`AD`,`BCE`,`ka`,`Ma`,`Ga`
latestChronometricAge Property
Identifier http://rs.tdwg.org/chrono/terms/latestChronometricAge
Definition The minimum/latest/youngest possible age of a specimen as determined by a dating method.
Comments The expected unit for this field is years. This field, if populated, must have an associated latestChronometricAgeReferenceSystem.
Examples 27
materialDatedID Property
Identifier http://rs.tdwg.org/chrono/terms/materialDatedID
Definition An identifier for the MaterialSample on which the chronometricAgeProtocol was performed, if applicable.
Comments
Examples `dwc:materialSampleID: https://www.ebi.ac.uk/metagenomics/samples/SRS1930158`