Darwin Core terms

Record-level

type
modified
language
license
rightsHolder
accessRights
bibliographicCitation
references
institutionID
collectionID
datasetID
institutionCode
collectionCode
datasetName
ownerInstitutionCode
basisOfRecord
informationWithheld
dataGeneralizations
dynamicProperties

type
Label	type
Identifier	http://purl.org/dc/terms/type
Class	http://purl.org/dc/terms/
Definition	The nature or genre of the resource. For Darwin Core, recommended best practice is to use the name of the class that defines the root of the record.
Comment	Examples: "StillImage", "MovingImage", "Sound", "PhysicalObject", "Event", "Text". For discussion see http://terms.tdwg.org/wiki/dwc:type

modified
Label	Modified
Identifier	http://purl.org/dc/terms/modified
Class	http://purl.org/dc/terms/
Definition	The most recent date-time on which the resource was changed. For Darwin Core, recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).
Comment	Examples: "1963-03-08T14:07-0600" is 8 Mar 1963 2:07pm in the time zone six hours earlier than UTC, "2009-02-20T08:40Z" is 20 Feb 2009 8:40am UTC, "1809-02-12" is 12 Feb 1809, "1906-06" is Jun 1906, "1971" is just that year, "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" is the interval between 1 Mar 2007 1pm UTC and 11 May 2008 3:30pm UTC, "2007-11-13/15" is the interval between 13 Nov 2007 and 15 Nov 2007. For discussion see http://terms.tdwg.org/wiki/dwc:modified

language
Label	Language
Identifier	http://purl.org/dc/terms/language
Class	http://purl.org/dc/terms/
Definition	A language of the resource. Recommended best practice is to use a controlled vocabulary such as RFC 4646 [RFC4646].
Comment	Examples: "en" for English, "es" for Spanish. For discussion see http://terms.tdwg.org/wiki/dwc:language

license
Label	License
Identifier	http://purl.org/dc/terms/license
Class	http://purl.org/dc/terms/
Definition	A legal document giving official permission to do something with the resource.
Comment	Examples: "http://creativecommons.org/publicdomain/zero/1.0/legalcode", "http://creativecommons.org/licenses/by/4.0/legalcode". For discussion see http://terms.tdwg.org/wiki/dwc:license

rightsHolder
Label	Rights Holder
Identifier	http://purl.org/dc/terms/rightsHolder
Class	http://purl.org/dc/terms/
Definition	A person or organization owning or managing rights over the resource.
Comment	Example: "The Regents of the University of California.". For discussion see http://terms.tdwg.org/wiki/dwc:rightsHolder

accessRights
Label	Access Rights
Identifier	http://purl.org/dc/terms/accessRights
Class	http://purl.org/dc/terms/
Definition	Information about who can access the resource or an indication of its security status. Access Rights may include information regarding access or restrictions based on privacy, security, or other policies.
Comment	Example: "not-for-profit use only". For discussion see http://terms.tdwg.org/wiki/dwc:accessRights

bibliographicCitation
Label	Bibliographic Citation
Identifier	http://purl.org/dc/terms/bibliographicCitation
Class	http://purl.org/dc/terms/
Definition	A bibliographic reference for the resource as a statement indicating how this record should be cited (attributed) when used. Recommended practice is to include sufficient bibliographic detail to identify the resource as unambiguously as possible.
Comment	Examples: "Ctenomys sociabilis (MVZ 165861)" for a specimen, "Oliver P. Pearson. 1985. Los tuco-tucos (genera Ctenomys) de los Parques Nacionales Lanin y Nahuel Huapi, Argentina Historia Natural, 5(37):337-343." for a Taxon. For discussion see http://terms.tdwg.org/wiki/dwc:bibliographicCitation

references
Label	References
Identifier	http://purl.org/dc/terms/references
Class	http://purl.org/dc/terms/
Definition	A related resource that is referenced, cited, or otherwise pointed to by the described resource.
Comment	Examples: "http://mvzarctos.berkeley.edu/guid/MVZ:Mamm:165861"; "http://www.catalogueoflife.org/annual-checklist/show_species_details.php?record_id=6197868". For discussion see http://terms.tdwg.org/wiki/dwc:references

institutionID
Label	Institution ID
Identifier	http://rs.tdwg.org/dwc/terms/institutionID
Class	http://rs.tdwg.org/dwc/terms/
Definition	An identifier for the institution having custody of the object(s) or information referred to in the record.
Comment	For physical specimens, the recommended best practice is to use an identifier from a collections registry such as the Global Registry of Biodiversity Repositories (http://grbio.org/). Examples: "http://biocol.org/urn:lsid:biocol.org:col:34777", "http://grbio.org/cool/km06-gtbn".

collectionID
Label	Collection ID
Identifier	http://rs.tdwg.org/dwc/terms/collectionID
Class	http://rs.tdwg.org/dwc/terms/
Definition	An identifier for the collection or dataset from which the record was derived.
Comment	For physical specimens, the recommended best practice is to use an identifier from a collections registry such as the Global Registry of Biodiversity Repositories (http://grbio.org/). Examples: "http://biocol.org/urn:lsid:biocol.org:col:1001", "http://grbio.org/cool/p5fp-c036".

datasetID
Label	Dataset ID
Identifier	http://rs.tdwg.org/dwc/terms/datasetID
Class	http://rs.tdwg.org/dwc/terms/
Definition	An identifier for the set of data. May be a global unique identifier or an identifier specific to a collection or institution.
Comment

institutionCode
Label	Institution Code
Identifier	http://rs.tdwg.org/dwc/terms/institutionCode
Class	http://rs.tdwg.org/dwc/terms/
Definition	The name (or acronym) in use by the institution having custody of the object(s) or information referred to in the record.
Comment	Examples: "MVZ", "FMNH", "AKN-CLO", "University of California Museum of Paleontology (UCMP)"

collectionCode
Label	Collection Code
Identifier	http://rs.tdwg.org/dwc/terms/collectionCode
Class	http://rs.tdwg.org/dwc/terms/
Definition	The name, acronym, coden, or initialism identifying the collection or data set from which the record was derived.
Comment	Examples: "Mammals", "Hildebrandt", "eBird"

datasetName
Label	Dataset Name
Identifier	http://rs.tdwg.org/dwc/terms/datasetName
Class	http://rs.tdwg.org/dwc/terms/
Definition	The name identifying the data set from which the record was derived.
Comment	Examples: "Grinnell Resurvey Mammals", "Lacey Ctenomys Recaptures"

ownerInstitutionCode
Label	Owner Institution Code
Identifier	http://rs.tdwg.org/dwc/terms/ownerInstitutionCode
Class	http://rs.tdwg.org/dwc/terms/
Definition	The name (or acronym) in use by the institution having ownership of the object(s) or information referred to in the record.
Comment	Examples: "NPS", "APN", "InBio"

basisOfRecord
Label	Basis of Record
Identifier	http://rs.tdwg.org/dwc/terms/basisOfRecord
Class	http://rs.tdwg.org/dwc/terms/
Definition	The specific nature of the data record.
Comment	Recommended best practice is to use a controlled vocabulary such as the list of Darwin Core classes. Examples: "PreservedSpecimen", "FossilSpecimen", "LivingSpecimen", "HumanObservation", "MachineObservation"

informationWithheld
Label	Information Withheld
Identifier	http://rs.tdwg.org/dwc/terms/informationWithheld
Class	http://rs.tdwg.org/dwc/terms/
Definition	Additional information that exists, but that has not been shared in the given record.
Comment	Examples: "location information not given for endangered species", "collector identities withheld", "ask about tissue samples"

dataGeneralizations
Label	Data Generalizations
Identifier	http://rs.tdwg.org/dwc/terms/dataGeneralizations
Class	http://rs.tdwg.org/dwc/terms/
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.
Comment	Example: "Coordinates generalized from original GPS coordinates to the nearest half degree grid cell"

dynamicProperties
Label	Dynamic Properties
Identifier	http://rs.tdwg.org/dwc/terms/dynamicProperties
Class	http://rs.tdwg.org/dwc/terms/
Definition	A list of additional measurements, facts, characteristics, or assertions about the record. Meant to provide a mechanism for structured content.
Comment	The recommended best practice is to use a key:value encoding schema such as JSON. Examples: "{"heightInMeters":1.5}", "{"tragusLengthInMeters":0.014, "weightInGrams":120}", "{"natureOfID":"expert identification", "identificationEvidence":"cytochrome B sequence"}", "{"relativeHumidity":28, "airTemperatureInCelcius":22, "sampleSizeInKilograms":10}", "{"aspectHeading":277, "slopeInDegrees":6}", "{"iucnStatus":"vulnerable", "taxonDistribution":"Neuquén, Argentina"}".

Occurrence

occurrenceID
catalogNumber
recordNumber
recordedBy
individualCount
organismQuantity
organismQuantityType
sex
lifeStage
reproductiveCondition
behavior
establishmentMeans
occurrenceStatus
preparations
disposition
associatedMedia
associatedReferences
associatedSequences
associatedTaxa
otherCatalogNumbers
occurrenceRemarks

Occurrence
Label	Occurrence
Identifier	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	An existence of an Organism (sensu http://rs.tdwg.org/dwc/terms/Organism) at a particular place at a particular time.
Comment	Examples: A wolf pack on the shore of Kluane Lake in 1988. A virus in a plant leaf in a the New York Botanical Garden at 15:29 on 2014-10-23. A fungus in Central Park in the summer of 1929.

occurrenceID
Label	Occurrence ID
Identifier	http://rs.tdwg.org/dwc/terms/occurrenceID
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	An identifier for the Occurrence (as opposed to a particular digital record of the occurrence). 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 occurrenceID globally unique.
Comment	For a specimen in the absence of a bona fide global unique identifier, for example, use the form: "urn:catalog:[institutionCode]:[collectionCode]:[catalogNumber]. Examples: "urn:lsid:nhm.ku.edu:Herps:32", "urn:catalog:FMNH:Mammal:145732"

catalogNumber
Label	Catalog Number
Identifier	http://rs.tdwg.org/dwc/terms/catalogNumber
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	An identifier (preferably unique) for the record within the data set or collection.
Comment	Examples: "2008.1334", "145732a", "145732"

recordNumber
Label	Record Number
Identifier	http://rs.tdwg.org/dwc/terms/recordNumber
Class	http://rs.tdwg.org/dwc/terms/Occurrence
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.
Comment	Example: "OPP 7101"

recordedBy
Label	Recorded By
Identifier	http://rs.tdwg.org/dwc/terms/recordedBy
Class	http://rs.tdwg.org/dwc/terms/Occurrence
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.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). The primary collector or observer, especially one who applies a personal identifier (recordNumber), should be listed first. Examples: "José E. Crespo", "Oliver P. Pearson \| Anita K. Pearson" where the value in recordNumber "OPP 7101" corresponds to the number for the specimen in the field catalog (collector number) of Oliver P. Pearson.

individualCount
Label	Individual Count
Identifier	http://rs.tdwg.org/dwc/terms/individualCount
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	The number of individuals represented present at the time of the Occurrence.
Comment	Examples: "1", "25"

organismQuantity
Label	Organism Quantity
Identifier	http://rs.tdwg.org/dwc/terms/organismQuantity
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A number or enumeration value for the quantity of organisms.
Comment	An organismQuantity must have a corresponding organismQuantityType, e.g., "27" for organismQuantity with "individuals" for organismQuantityType; "12.5" for organismQuantity with "%biomass" for organismQuantityType; "r" for organismQuantity with "BraunBlanquetScale" for organismQuantityType.

organismQuantityType
Label	Organism Quantity Type
Identifier	http://rs.tdwg.org/dwc/terms/organismQuantityType
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	The type of quantification system used for the quantity of organisms.
Comment	An organismQuantityType must have a corresponding organismQuantity, e.g., "27" for organismQuantity with "individuals" for organismQuantityType; "12.5" for organismQuantity with "%biomass" for organismQuantityType; "r" for organismQuantity with "BraunBlanquetScale" for organismQuantityType.

sex
Label	Sex
Identifier	http://rs.tdwg.org/dwc/terms/sex
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	The sex of the biological individual(s) represented in the Occurrence. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "female", "hermaphrodite", "8 males, 4 females"

lifeStage
Label	Life Stage
Identifier	http://rs.tdwg.org/dwc/terms/lifeStage
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	The age class or life stage of the biological individual(s) at the time the Occurrence was recorded. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "egg", "eft", "juvenile", "adult", "2 adults 4 juveniles"

reproductiveCondition
Label	Reproductive Condition
Identifier	http://rs.tdwg.org/dwc/terms/reproductiveCondition
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	The reproductive condition of the biological individual(s) represented in the Occurrence. Recommended best practice is to use a controlled vocabulary.
Comment	Examples" "non-reproductive", "pregnant", "in bloom", "fruit-bearing"

behavior
Label	Behavior
Identifier	http://rs.tdwg.org/dwc/terms/behavior
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A description of the behavior shown by the subject at the time the Occurrence was recorded. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "roosting", "foraging", "running"

establishmentMeans
Label	Establishment Means
Identifier	http://rs.tdwg.org/dwc/terms/establishmentMeans
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	The process by which the biological individual(s) represented in the Occurrence became established at the location. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "native", "introduced", "naturalised", "invasive", "managed"

occurrenceStatus
Label	Occurrence Status
Identifier	http://rs.tdwg.org/dwc/terms/occurrenceStatus
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A statement about the presence or absence of a Taxon at a Location. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "present", "absent"

preparations
Label	Preparations
Identifier	http://rs.tdwg.org/dwc/terms/preparations
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A list (concatenated and separated) of preparations and preservation methods for a specimen.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "fossil", "cast", "photograph", "DNA extract", "skin \| "skull \| skeleton", "whole animal (ETOH) \| tissue (EDTA)".

disposition
Label	Disposition
Identifier	http://rs.tdwg.org/dwc/terms/disposition
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	The current state of a specimen with respect to the collection identified in collectionCode or collectionID. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "in collection", "missing", "voucher elsewhere", "duplicates elsewhere"

associatedMedia
Label	Associated Media
Identifier	http://rs.tdwg.org/dwc/terms/associatedMedia
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A list (concatenated and separated) of identifiers (publication, global unique identifier, URI) of media associated with the Occurrence.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). 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".

associatedReferences
Label	Associated References
Identifier	http://rs.tdwg.org/dwc/terms/associatedReferences
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A list (concatenated and separated) of identifiers (publication, bibliographic reference, global unique identifier, URI) of literature associated with the Occurrence.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "http://www.sciencemag.org/cgi/content/abstract/322/5899/261", "Christopher J. Conroy, Jennifer L. Neuwald. 2008. Phylogeographic study of the California vole, Microtus californicus Journal of Mammalogy, 89(3):755-767.", "Steven R. Hoofer and Ronald A. Van Den Bussche. 2001. Phylogenetic Relationships of Plecotine Bats and Allies Based on Mitochondrial Ribosomal Sequences. Journal of Mammalogy 82(1):131-137. \| Walker, Faith M., Jeffrey T. Foster, Kevin P. Drees, Carol L. Chambers. 2014. Spotted bat (Euderma maculatum) microsatellite discovery using illumina sequencing. Conservation Genetics Resources.".

associatedSequences
Label	Associated Sequences
Identifier	http://rs.tdwg.org/dwc/terms/associatedSequences
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A list (concatenated and separated) of identifiers (publication, global unique identifier, URI) of genetic sequence information associated with the Occurrence.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). 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".

associatedTaxa
Label	Associated Taxa
Identifier	http://rs.tdwg.org/dwc/terms/associatedTaxa
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	A list (concatenated and separated) of identifiers or names of taxa and their associations with the Occurrence.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '), and to separate the relationship from the taxon with a colon (':'). Examples: "host: Quercus alba", "parasitoid of:Cyclocephala signaticollis \| predator of Apis mellifera".

otherCatalogNumbers
Label	Other Catalog Numbers
Identifier	http://rs.tdwg.org/dwc/terms/otherCatalogNumbers
Class	http://rs.tdwg.org/dwc/terms/Occurrence
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.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "FMNH:Mammal:1234", "NPS YELLO6778 \| MBG 33424".

occurrenceRemarks
Label	Occurrence Remarks
Identifier	http://rs.tdwg.org/dwc/terms/occurrenceRemarks
Class	http://rs.tdwg.org/dwc/terms/Occurrence
Definition	Comments or notes about the Occurrence.
Comment	Example: "found dead on road"

Organism
Label	Organism
Identifier	http://rs.tdwg.org/dwc/terms/Organism
Definition	A particular organism or defined group of organisms considered to be taxonomically homogeneous.
Comment	Instances of the Organism class are intended to facilitate linking of one or more Identification instances to one or more 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.

organismID
Label	Organism ID
Identifier	http://rs.tdwg.org/dwc/terms/organismID
Class	http://rs.tdwg.org/dwc/terms/Organism
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.
Comment

organismName
Label	Organism Name
Identifier	http://rs.tdwg.org/dwc/terms/organismName
Class	http://rs.tdwg.org/dwc/terms/Organism
Definition	A textual name or label assigned to an Organism instance.
Comment	Examples: "Huberta", "Boab Prison Tree", "J pod".

organismScope
Label	Organism Scope
Identifier	http://rs.tdwg.org/dwc/terms/organismScope
Class	http://rs.tdwg.org/dwc/terms/Organism
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. Recommended best practice is to use a controlled vocabulary.
Comment	This term is not intended to be used to specify a type of taxon. To describe the kind of 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".

associatedOccurrences
Label	Associated Occurrences
Identifier	http://rs.tdwg.org/dwc/terms/associatedOccurrences
Class	http://rs.tdwg.org/dwc/terms/Organism
Definition	A list (concatenated and separated) of identifiers of other Occurrence records and their associations to this Occurrence.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| ').

associatedOrganisms
Label	Associated Organisms
Identifier	http://rs.tdwg.org/dwc/terms/associatedOrganisms
Class	http://rs.tdwg.org/dwc/terms/Organism
Definition	A list (concatenated and separated) of identifiers of other Organisms and their associations to this Organism.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "sibling of MXA-232", "mother of MXA-231 \| mother of MXA-232"

previousIdentifications
Label	Previous Identifications
Identifier	http://rs.tdwg.org/dwc/terms/previousIdentifications
Class	http://rs.tdwg.org/dwc/terms/Organism
Definition	A list (concatenated and separated) of previous assignments of names to the Organism.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "Chalepidae", "Pinus abies", "Anthus sp., field ID by G. Iglesias \| Anthus correndera, expert ID by C. Cicero 2009-02-12 based on morphology".

organismRemarks
Label	Organism Remarks
Identifier	http://rs.tdwg.org/dwc/terms/organismRemarks
Class	http://rs.tdwg.org/dwc/terms/Organism
Definition	Comments or notes about the Organism instance.
Comment	Example: "One of a litter of six."

MaterialSample

materialSampleID

MaterialSample
Label	Material Sample
Identifier	http://rs.tdwg.org/dwc/terms/MaterialSample
Definition	A physical results of a sampling (or subsampling) event. In biological collections, the material sample is typically collected, and either preserved or destructively processed.
Comment	Examples: A whole organism preserved in a collection. A part of an organism isolated for some purpose. A soil sample. A marine microbial sample.

materialSampleID
Label	Material Sample ID
Identifier	http://rs.tdwg.org/dwc/terms/materialSampleID
Class	http://rs.tdwg.org/dwc/terms/MaterialSample
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.
Comment

LivingSpecimen

LivingSpecimen
Label	Living Specimen
Identifier	http://rs.tdwg.org/dwc/terms/LivingSpecimen
Definition	A specimen that is alive.
Comment

PreservedSpecimen

PreservedSpecimen
Label	Preserved Specimen
Identifier	http://rs.tdwg.org/dwc/terms/PreservedSpecimen
Definition	A specimen that has been preserved.
Comment

FossilSpecimen

FossilSpecimen
Label	Fossil Specimen
Identifier	http://rs.tdwg.org/dwc/terms/FossilSpecimen
Definition	A preserved specimen that is a fossil.
Comment

Event

Event
Label	Event
Identifier	http://rs.tdwg.org/dwc/terms/Event
Definition	An action that occurs at some location during some time.
Comment	Examples: A specimen collection process. A machine observation.

HumanObservation

HumanObservation
Label	Human Observation
Identifier	http://rs.tdwg.org/dwc/terms/HumanObservation
Definition	An output of a human observation process.
Comment

MachineObservation

eventID
parentEventID
fieldNumber
eventDate
eventTime
startDayOfYear
endDayOfYear
year
month
day
verbatimEventDate
habitat
samplingProtocol
sampleSizeValue
sampleSizeUnit
samplingEffort
fieldNotes
eventRemarks

MachineObservation
Label	Machine Observation
Identifier	http://rs.tdwg.org/dwc/terms/MachineObservation
Definition	An output of a machine observation process.
Comment

eventID
Label	Event ID
Identifier	http://rs.tdwg.org/dwc/terms/eventID
Class	http://rs.tdwg.org/dwc/terms/Event
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.
Comment

parentEventID
Label	Parent Event ID
Identifier	http://rs.tdwg.org/dwc/terms/parentEventID
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	An identifier for the broader Event that groups this and potentially other Events.
Comment	May be a globally unique identifier or an identifier specific to the data set. Example: "A1" as parentEventID to identify the main Whittaker Plot in nested samples, each with its own eventID (e.g., "A1:1", "A1:2").

fieldNumber
Label	Field Number
Identifier	http://rs.tdwg.org/dwc/terms/fieldNumber
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	An identifier given to the event in the field. Often serves as a link between field notes and the Event.
Comment	Example: "RV Sol 87-03-08"

eventDate
Label	Event Date
Identifier	http://rs.tdwg.org/dwc/terms/eventDate
Class	http://rs.tdwg.org/dwc/terms/Event
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. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).
Comment	Examples: "1963-03-08T14:07-0600" is 8 Mar 1963 2:07pm in the time zone six hours earlier than UTC, "2009-02-20T08:40Z" is 20 Feb 2009 8:40am UTC, "1809-02-12" is 12 Feb 1809, "1906-06" is Jun 1906, "1971" is just that year, "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" is the interval between 1 Mar 2007 1pm UTC and 11 May 2008 3:30pm UTC, "2007-11-13/15" is the interval between 13 Nov 2007 and 15 Nov 2007.

eventTime
Label	Event Time
Identifier	http://rs.tdwg.org/dwc/terms/eventTime
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The time or interval during which an Event occurred. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).
Comment	Examples: "14:07-0600" is 2:07pm in the time zone six hours earlier than UTC, "08:40:21Z" is 8:40:21am UTC, "13:00:00Z/15:30:00Z" is the interval between 1pm UTC and 3:30pm UTC.

startDayOfYear
Label	Start Day Of Year
Identifier	http://rs.tdwg.org/dwc/terms/startDayOfYear
Class	http://rs.tdwg.org/dwc/terms/Event
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).
Comment	Examples: "1" (=1 Jan), "366" (=31 Dec), "365" (=30 Dec in a leap year, 31 Dec in a non-leap year)

endDayOfYear
Label	End Day Of Year
Identifier	http://rs.tdwg.org/dwc/terms/endDayOfYear
Class	http://rs.tdwg.org/dwc/terms/Event
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).
Comment	Examples: "1" (=1 Jan), "366" (=31 Dec), "365" (=30 Dec in a leap year, 31 Dec in a non-leap year)

year
Label	Year
Identifier	http://rs.tdwg.org/dwc/terms/year
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The four-digit year in which the Event occurred, according to the Common Era Calendar.
Comment	Example: "2008"

month
Label	Month
Identifier	http://rs.tdwg.org/dwc/terms/month
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The ordinal month in which the Event occurred.
Comment	Examples: "1" (=January), "10" (=October)

day
Label	Day
Identifier	http://rs.tdwg.org/dwc/terms/day
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The integer day of the month on which the Event occurred.
Comment	Examples: "9", "28"

verbatimEventDate
Label	Verbatim EventDate
Identifier	http://rs.tdwg.org/dwc/terms/verbatimEventDate
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The verbatim original representation of the date and time information for an Event.
Comment	Examples: "spring 1910", "Marzo 2002", "1999-03-XX", "17IV1934"

habitat
Label	Habitat
Identifier	http://rs.tdwg.org/dwc/terms/habitat
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	A category or description of the habitat in which the Event occurred.
Comment	Examples: "oak savanna", "pre-cordilleran steppe"

samplingProtocol
Label	Sampling Protocol
Identifier	http://rs.tdwg.org/dwc/terms/samplingProtocol
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The name of, reference to, or description of the method or protocol used during an Event.
Comment	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, http://dx.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"

sampleSizeValue
Label	Sample Size Value
Identifier	http://rs.tdwg.org/dwc/terms/sampleSizeValue
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	A numeric value for a measurement of the size (time duration, length, area, or volume) of a sample in a sampling event.
Comment	A sampleSizeValue must have a corresponding sampleSizeUnit. Example: "5" for sampleSizeValue with "metre" for sampleSizeUnit.

sampleSizeUnit
Label	Sample Size Unit
Identifier	http://rs.tdwg.org/dwc/terms/sampleSizeUnit
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The unit of measurement of the size (time duration, length, area, or volume) of a sample in a sampling event.
Comment	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". Recommended best practice is to use a controlled vocabulary such as the Ontology of Units of Measure http://www.wurvoc.org/vocabularies/om-1.8/ of SI units, derived units, or other non-SI units accepted for use within the SI (e.g., minute, hour, day, litre).

samplingEffort
Label	Sampling Effort
Identifier	http://rs.tdwg.org/dwc/terms/samplingEffort
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	The amount of effort expended during an Event.
Comment	Examples: "40 trap-nights", "10 observer-hours; 10 km by foot; 30 km by car"

fieldNotes
Label	Field Notes
Identifier	http://rs.tdwg.org/dwc/terms/fieldNotes
Class	http://rs.tdwg.org/dwc/terms/Event
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.
Comment	Example: "notes available in Grinnell-Miller Library"

eventRemarks
Label	Event Remarks
Identifier	http://rs.tdwg.org/dwc/terms/eventRemarks
Class	http://rs.tdwg.org/dwc/terms/Event
Definition	Comments or notes about the Event.
Comment	Example: "after the recent rains the river is nearly at flood stage"

Location

locationID
higherGeographyID
higherGeography
continent
waterBody
islandGroup
island
country
countryCode
stateProvince
county
municipality
locality
verbatimLocality
minimumElevationInMeters
maximumElevationInMeters
verbatimElevation
minimumDepthInMeters
maximumDepthInMeters
verbatimDepth
minimumDistanceAboveSurfaceInMeters
maximumDistanceAboveSurfaceInMeters
locationAccordingTo
locationRemarks
decimalLatitude
decimalLongitude
geodeticDatum
coordinateUncertaintyInMeters
coordinatePrecision
pointRadiusSpatialFit
verbatimCoordinates
verbatimLatitude
verbatimLongitude
verbatimCoordinateSystem
verbatimSRS
footprintWKT
footprintSRS
footprintSpatialFit
georeferencedBy
georeferencedDate
georeferenceProtocol
georeferenceSources
georeferenceVerificationStatus
georeferenceRemarks

Location
Label	Location
Identifier	http://purl.org/dc/terms/Location
Definition	A spatial region or named place.
Comment

locationID
Label	Location ID
Identifier	http://rs.tdwg.org/dwc/terms/locationID
Class	http://purl.org/dc/terms/Location
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.
Comment

higherGeographyID
Label	Higher Geography ID
Identifier	http://rs.tdwg.org/dwc/terms/higherGeographyID
Class	http://purl.org/dc/terms/Location
Definition	An identifier for the geographic region within which the Location occurred. Recommended best practice is to use an persistent identifier from a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Comment	Example: "TGN: 1002002" for Prov. Tierra del Fuego, Argentina

higherGeography
Label	Higher Geography
Identifier	http://rs.tdwg.org/dwc/terms/higherGeography
Class	http://purl.org/dc/terms/Location
Definition	A list (concatenated and separated) of geographic names less specific than the information captured in the locality term.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '), 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
Label	Continent
Identifier	http://rs.tdwg.org/dwc/terms/continent
Class	http://purl.org/dc/terms/Location
Definition	The name of the continent in which the Location occurs. Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Comment	Examples: "Africa", "Antarctica", "Asia", "Europe", "North America", "Oceania", "South America"

waterBody
Label	Water Body
Identifier	http://rs.tdwg.org/dwc/terms/waterBody
Class	http://purl.org/dc/terms/Location
Definition	The name of the water body in which the Location occurs. Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Comment	Examples: "Indian Ocean", "Baltic Sea", "Hudson River"

islandGroup
Label	Island Group
Identifier	http://rs.tdwg.org/dwc/terms/islandGroup
Class	http://purl.org/dc/terms/Location
Definition	The name of the island group in which the Location occurs. Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Comment	Examples: "Alexander Archipelago", "Seychelles"

island
Label	Island
Identifier	http://rs.tdwg.org/dwc/terms/island
Class	http://purl.org/dc/terms/Location
Definition	The name of the island on or near which the Location occurs. Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Comment	Examples: "Isla Victoria", "Vancouver", "Viti Levu", "Zanzibar"

country
Label	Country
Identifier	http://rs.tdwg.org/dwc/terms/country
Class	http://purl.org/dc/terms/Location
Definition	The name of the country or major administrative unit in which the Location occurs. Recommended best practice is to use a controlled vocabulary such as the Getty Thesaurus of Geographic Names.
Comment	Examples: "Denmark", "Colombia", "España"

countryCode
Label	Country Code
Identifier	http://rs.tdwg.org/dwc/terms/countryCode
Class	http://purl.org/dc/terms/Location
Definition	The standard code for the country in which the Location occurs. Recommended best practice is to use ISO 3166-1-alpha-2 country codes.
Comment	Examples: "AR" for Argentina, "SV" for El Salvador

stateProvince
Label	State Province
Identifier	http://rs.tdwg.org/dwc/terms/stateProvince
Class	http://purl.org/dc/terms/Location
Definition	The name of the next smaller administrative region than country (state, province, canton, department, region, etc.) in which the Location occurs.
Comment	Examples: "Montana", "Minas Gerais", "Córdoba"

county
Label	County
Identifier	http://rs.tdwg.org/dwc/terms/county
Class	http://purl.org/dc/terms/Location
Definition	The full, unabbreviated name of the next smaller administrative region than stateProvince (county, shire, department, etc.) in which the Location occurs.
Comment	Examples: "Missoula", "Los Lagos", "Mataró"

municipality
Label	Municipality
Identifier	http://rs.tdwg.org/dwc/terms/municipality
Class	http://purl.org/dc/terms/Location
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.
Comment	Examples: "Holzminden"

locality
Label	Locality
Identifier	http://rs.tdwg.org/dwc/terms/locality
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: "Bariloche, 25 km NNE via Ruta Nacional 40 (=Ruta 237)"

verbatimLocality
Label	Verbatim Locality
Identifier	http://rs.tdwg.org/dwc/terms/verbatimLocality
Class	http://purl.org/dc/terms/Location
Definition	The original textual description of the place.
Comment	Example: "25 km NNE Bariloche por R. Nac. 237"

minimumElevationInMeters
Label	Minimum Elevation In Meters
Identifier	http://rs.tdwg.org/dwc/terms/minimumElevationInMeters
Class	http://purl.org/dc/terms/Location
Definition	The lower limit of the range of elevation (altitude, usually above sea level), in meters.
Comment	Example: "100"

maximumElevationInMeters
Label	Maximum Elevation In Meters
Identifier	http://rs.tdwg.org/dwc/terms/maximumElevationInMeters
Class	http://purl.org/dc/terms/Location
Definition	The upper limit of the range of elevation (altitude, usually above sea level), in meters.
Comment	Example: "200"

verbatimElevation
Label	Verbatim Elevation
Identifier	http://rs.tdwg.org/dwc/terms/verbatimElevation
Class	http://purl.org/dc/terms/Location
Definition	The original description of the elevation (altitude, usually above sea level) of the Location.
Comment	Example: "100-200 m"

minimumDepthInMeters
Label	Minimum Depth In Meters
Identifier	http://rs.tdwg.org/dwc/terms/minimumDepthInMeters
Class	http://purl.org/dc/terms/Location
Definition	The lesser depth of a range of depth below the local surface, in meters.
Comment	Example: "100"

maximumDepthInMeters
Label	Maximum Depth In Meters
Identifier	http://rs.tdwg.org/dwc/terms/maximumDepthInMeters
Class	http://purl.org/dc/terms/Location
Definition	The greater depth of a range of depth below the local surface, in meters.
Comment	Example: "200"

verbatimDepth
Label	Verbatim Depth
Identifier	http://rs.tdwg.org/dwc/terms/verbatimDepth
Class	http://purl.org/dc/terms/Location
Definition	The original description of the depth below the local surface.
Comment	Example: "100-200 m"

minimumDistanceAboveSurfaceInMeters
Label	Minimum Distance Above Surface In Meters
Identifier	http://rs.tdwg.org/dwc/terms/minimumDistanceAboveSurfaceInMeters
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: 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"

maximumDistanceAboveSurfaceInMeters
Label	Maximum Distance Above Surface In Meters
Identifier	http://rs.tdwg.org/dwc/terms/maximumDistanceAboveSurfaceInMeters
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: 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"

locationAccordingTo
Label	Location According To
Identifier	http://rs.tdwg.org/dwc/terms/locationAccordingTo
Class	http://purl.org/dc/terms/Location
Definition	Information about the source of this Location information. Could be a publication (gazetteer), institution, or team of individuals.
Comment	Examples: "Getty Thesaurus of Geographic Names", "GADM"

locationRemarks
Label	Location Remarks
Identifier	http://rs.tdwg.org/dwc/terms/locationRemarks
Class	http://purl.org/dc/terms/Location
Definition	Comments or notes about the Location.
Comment	Example: "under water since 2005"

decimalLatitude
Label	Decimal Latitude
Identifier	http://rs.tdwg.org/dwc/terms/decimalLatitude
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: "-41.0983423"

decimalLongitude
Label	Decimal Longitude
Identifier	http://rs.tdwg.org/dwc/terms/decimalLongitude
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: "-121.1761111"

geodeticDatum
Label	Geodetic Datum
Identifier	http://rs.tdwg.org/dwc/terms/geodeticDatum
Class	http://purl.org/dc/terms/Location
Definition	The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which the geographic coordinates given in decimalLatitude and decimalLongitude as based. Recommended best practice is use the EPSG code as a controlled vocabulary to provide an 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".
Comment	Examples: "EPSG:4326", "WGS84", "NAD27", "Campo Inchauspe", "European 1950", "Clarke 1866"

coordinateUncertaintyInMeters
Label	Coordinate Uncertainty In Meters
Identifier	http://rs.tdwg.org/dwc/terms/coordinateUncertaintyInMeters
Class	http://purl.org/dc/terms/Location
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.
Comment	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).

coordinatePrecision
Label	Coordinate Precision
Identifier	http://rs.tdwg.org/dwc/terms/coordinatePrecision
Class	http://purl.org/dc/terms/Location
Definition	A decimal representation of the precision of the coordinates given in the decimalLatitude and decimalLongitude.
Comment	Examples: "0.00001" (normal GPS limit for decimal degrees), "0.000278" (nearest second), "0.01667" (nearest minute), "1.0" (nearest degree)

pointRadiusSpatialFit
Label	Point Radius Spatial Fit
Identifier	http://rs.tdwg.org/dwc/terms/pointRadiusSpatialFit
Class	http://purl.org/dc/terms/Location
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.
Comment	Detailed explanations with graphical examples can be found in the "Guide to Best Practices for Georeferencing", Chapman and Wieczorek, eds. 2006.

verbatimCoordinates
Label	Verbatim Coordinates
Identifier	http://rs.tdwg.org/dwc/terms/verbatimCoordinates
Class	http://purl.org/dc/terms/Location
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.
Comment	Examples: "41 05 54S 121 05 34W", "17T 630000 4833400"

verbatimLatitude
Label	Verbatim Latitude
Identifier	http://rs.tdwg.org/dwc/terms/verbatimLatitude
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: "41 05 54.03S"

verbatimLongitude
Label	Verbatim Longitude
Identifier	http://rs.tdwg.org/dwc/terms/verbatimLongitude
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: "121d 10' 34" W"

verbatimCoordinateSystem
Label	Verbatim Coordinate System
Identifier	http://rs.tdwg.org/dwc/terms/verbatimCoordinateSystem
Class	http://purl.org/dc/terms/Location
Definition	The spatial coordinate system for the verbatimLatitude and verbatimLongitude or the verbatimCoordinates of the Location. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "decimal degrees", "degrees decimal minutes", "degrees minutes seconds", "UTM"

verbatimSRS
Label	Verbatim SRS
Identifier	http://rs.tdwg.org/dwc/terms/verbatimSRS
Class	http://purl.org/dc/terms/Location
Definition	The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which coordinates given in verbatimLatitude and verbatimLongitude, or verbatimCoordinates are based. Recommended best practice is use the EPSG code as a controlled vocabulary to provide an 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".
Comment	Examples: "EPSG:4326", "WGS84", "NAD27", "Campo Inchauspe", "European 1950", "Clarke 1866"

footprintWKT
Label	Footprint WKT
Identifier	http://rs.tdwg.org/dwc/terms/footprintWKT
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: the one-degree bounding box with opposite corners at (longitude=10, latitude=20) and (longitude=11, latitude=21) would be expressed in well-known text as POLYGON ((10 20, 11 20, 11 21, 10 21, 10 20))

footprintSRS
Label	Footprint SRS
Identifier	http://rs.tdwg.org/dwc/terms/footprintSRS
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: The WKT for the standard WGS84 SRS (EPSG:4326) is "GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]]" without the enclosing quotes.

footprintSpatialFit
Label	Footprint Spatial Fit
Identifier	http://rs.tdwg.org/dwc/terms/footprintSpatialFit
Class	http://purl.org/dc/terms/Location
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.
Comment	Detailed explanations with graphical examples can be found in the "Guide to Best Practices for Georeferencing", Chapman and Wieczorek, eds. 2006.

georeferencedBy
Label	Georeferenced By
Identifier	http://rs.tdwg.org/dwc/terms/georeferencedBy
Class	http://purl.org/dc/terms/Location
Definition	A list (concatenated and separated) of names of people, groups, or organizations who determined the georeference (spatial representation) for the Location.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "Brad Millen (ROM)", "Kristina Yamamoto (MVZ) \| Janet Fang (MVZ)".

georeferencedDate
Label	Georeferenced Date
Identifier	http://rs.tdwg.org/dwc/terms/georeferencedDate
Class	http://purl.org/dc/terms/Location
Definition	The date on which the Location was georeferenced. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).
Comment	Examples: "1963-03-08T14:07-0600" is 8 Mar 1963 2:07pm in the time zone six hours earlier than UTC, "2009-02-20T08:40Z" is 20 Feb 2009 8:40am UTC, "1809-02-12" is 12 Feb 1809, "1906-06" is Jun 1906, "1971" is just that year, "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" is the interval between 1 Mar 2007 1pm UTC and 11 May 2008 3:30pm UTC, "2007-11-13/15" is the interval between 13 Nov 2007 and 15 Nov 2007.

georeferenceProtocol
Label	Georeference Protocol
Identifier	http://rs.tdwg.org/dwc/terms/georeferenceProtocol
Class	http://purl.org/dc/terms/Location
Definition	A description or reference to the methods used to determine the spatial footprint, coordinates, and uncertainties.
Comment	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"

georeferenceSources
Label	Georeference Sources
Identifier	http://rs.tdwg.org/dwc/terms/georeferenceSources
Class	http://purl.org/dc/terms/Location
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.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "GeoLocate", "USGS 1:24000 Florence Montana Quad \| Terrametrics 2008 on Google Earth".

georeferenceVerificationStatus
Label	Georeference Verification Status
Identifier	http://rs.tdwg.org/dwc/terms/georeferenceVerificationStatus
Class	http://purl.org/dc/terms/Location
Definition	A categorical description of the extent to which the georeference has been verified to represent the best possible spatial description. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "requires verification", "verified by collector", "verified by curator".

georeferenceRemarks
Label	Georeference Remarks
Identifier	http://rs.tdwg.org/dwc/terms/georeferenceRemarks
Class	http://purl.org/dc/terms/Location
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.
Comment	Example: "assumed distance by road (Hwy. 101)"

GeologicalContext

geologicalContextID
earliestEonOrLowestEonothem
latestEonOrHighestEonothem
earliestEraOrLowestErathem
latestEraOrHighestErathem
earliestPeriodOrLowestSystem
latestPeriodOrHighestSystem
earliestEpochOrLowestSeries
latestEpochOrHighestSeries
earliestAgeOrLowestStage
latestAgeOrHighestStage
lowestBiostratigraphicZone
highestBiostratigraphicZone
lithostratigraphicTerms
group
formation
member
bed

GeologicalContext
Label	Geological Context
Identifier	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	Geological information, such as stratigraphy, that qualifies a region or place.
Comment	Example: A lithostratigraphic layer.

geologicalContextID
Label	Geological Context ID
Identifier	http://rs.tdwg.org/dwc/terms/geologicalContextID
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment

earliestEonOrLowestEonothem
Label	Earliest Eon Or Lowest Eonothem
Identifier	http://rs.tdwg.org/dwc/terms/earliestEonOrLowestEonothem
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Phanerozoic", "Proterozoic"

latestEonOrHighestEonothem
Label	Latest Eon Or Highest Eonothem
Identifier	http://rs.tdwg.org/dwc/terms/latestEonOrHighestEonothem
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Phanerozoic", "Proterozoic"

earliestEraOrLowestErathem
Label	Earliest Era Or Lowest Erathem
Identifier	http://rs.tdwg.org/dwc/terms/earliestEraOrLowestErathem
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Cenozoic", "Mesozoic"

latestEraOrHighestErathem
Label	Latest Era Or Highest Erathem
Identifier	http://rs.tdwg.org/dwc/terms/latestEraOrHighestErathem
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Cenozoic", "Mesozoic"

earliestPeriodOrLowestSystem
Label	Earliest Period Or Lowest System
Identifier	http://rs.tdwg.org/dwc/terms/earliestPeriodOrLowestSystem
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Neogene", "Tertiary", "Quaternary"

latestPeriodOrHighestSystem
Label	Latest Period Or Highest System
Identifier	http://rs.tdwg.org/dwc/terms/latestPeriodOrHighestSystem
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Neogene", "Tertiary", "Quaternary"

earliestEpochOrLowestSeries
Label	Earliest Epoch Or Lowest Series
Identifier	http://rs.tdwg.org/dwc/terms/earliestEpochOrLowestSeries
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Holocene", "Pleistocene", "Ibexian Series"

latestEpochOrHighestSeries
Label	Latest Epoch Or Highest Series
Identifier	http://rs.tdwg.org/dwc/terms/latestEpochOrHighestSeries
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Holocene", "Pleistocene", "Ibexian Series"

earliestAgeOrLowestStage
Label	Earliest Age Or Lowest Stage
Identifier	http://rs.tdwg.org/dwc/terms/earliestAgeOrLowestStage
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Atlantic", "Boreal", "Skullrockian"

latestAgeOrHighestStage
Label	Latest AgeOr Highest Stage
Identifier	http://rs.tdwg.org/dwc/terms/latestAgeOrHighestStage
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
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.
Comment	Examples: "Atlantic", "Boreal", "Skullrockian"

lowestBiostratigraphicZone
Label	Lowest Biostratigraphic Zone
Identifier	http://rs.tdwg.org/dwc/terms/lowestBiostratigraphicZone
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	The full name of the lowest possible geological biostratigraphic zone of the stratigraphic horizon from which the cataloged item was collected.
Comment

highestBiostratigraphicZone
Label	Highest Biostratigraphic Zone
Identifier	http://rs.tdwg.org/dwc/terms/highestBiostratigraphicZone
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	The full name of the highest possible geological biostratigraphic zone of the stratigraphic horizon from which the cataloged item was collected.
Comment

lithostratigraphicTerms
Label	Lithostratigraphic Terms
Identifier	http://rs.tdwg.org/dwc/terms/lithostratigraphicTerms
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	The combination of all litho-stratigraphic names for the rock from which the cataloged item was collected.
Comment

group
Label	Group
Identifier	http://rs.tdwg.org/dwc/terms/group
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	The full name of the lithostratigraphic group from which the cataloged item was collected.
Comment

formation
Label	Formation
Identifier	http://rs.tdwg.org/dwc/terms/formation
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	The full name of the lithostratigraphic formation from which the cataloged item was collected.
Comment	Examples: "Notch Peak Fromation", "House Limestone", "Fillmore Formation"

member
Label	Member
Identifier	http://rs.tdwg.org/dwc/terms/member
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	The full name of the lithostratigraphic member from which the cataloged item was collected.
Comment	Examples: "Lava Dam Member", "Hellnmaria Member"

bed
Label	Bed
Identifier	http://rs.tdwg.org/dwc/terms/bed
Class	http://rs.tdwg.org/dwc/terms/GeologicalContext
Definition	The full name of the lithostratigraphic bed from which the cataloged item was collected.
Comment

Identification

identificationID
identificationQualifier
typeStatus
identifiedBy
dateIdentified
identificationReferences
identificationVerificationStatus
identificationRemarks

Identification
Label	Identification
Identifier	http://rs.tdwg.org/dwc/terms/Identification
Definition	A taxonomic determination (e.g., the assignment to a taxon).
Comment	Example: A subspecies determination of an organism.

identificationID
Label	Identification ID
Identifier	http://rs.tdwg.org/dwc/terms/identificationID
Class	http://rs.tdwg.org/dwc/terms/Identification
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.
Comment

identificationQualifier
Label	Identification Qualifier
Identifier	http://rs.tdwg.org/dwc/terms/identificationQualifier
Class	http://rs.tdwg.org/dwc/terms/Identification
Definition	A brief phrase or a standard term ("cf.", "aff.") to express the determiner's doubts about the Identification.
Comment	Examples: 1) For the determination "Quercus aff. agrifolia var. oxyadenia", identificationQualifier would be "aff. agrifolia var. oxyadenia" with accompanying values "Quercus" in genus, "agrifolia" in specificEpithet, "oxyadenia" in infraspecificEpithet, and "var." in rank. 2) For the determination "Quercus agrifolia cf. var. oxyadenia", identificationQualifier would be "cf. var. oxyadenia " with accompanying values "Quercus" in genus, "agrifolia" in specificEpithet, "oxyadenia" in infraspecificEpithet, and "var." in rank.

typeStatus
Label	Type Status
Identifier	http://rs.tdwg.org/dwc/terms/typeStatus
Class	http://rs.tdwg.org/dwc/terms/Identification
Definition	A list (concatenated and separated) of nomenclatural types (type status, typified scientific name, publication) applied to the subject.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). 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".

identifiedBy
Label	Identified By
Identifier	http://rs.tdwg.org/dwc/terms/identifiedBy
Class	http://rs.tdwg.org/dwc/terms/Identification
Definition	A list (concatenated and separated) of names of people, groups, or organizations who assigned the Taxon to the subject.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "James L. Patton", "Theodore Pappenfuss \| Robert Macey".

dateIdentified
Label	Date Identified
Identifier	http://rs.tdwg.org/dwc/terms/dateIdentified
Class	http://rs.tdwg.org/dwc/terms/Identification
Definition	The date on which the subject was identified as representing the Taxon. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).
Comment	Examples: "1963-03-08T14:07-0600" is 8 Mar 1963 2:07pm in the time zone six hours earlier than UTC, "2009-02-20T08:40Z" is 20 Feb 2009 8:40am UTC, "1809-02-12" is 12 Feb 1809, "1906-06" is Jun 1906, "1971" is just that year, "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" is the interval between 1 Mar 2007 1pm UTC and 11 May 2008 3:30pm UTC, "2007-11-13/15" is the interval between 13 Nov 2007 and 15 Nov 2007.

identificationReferences
Label	Identification References
Identifier	http://rs.tdwg.org/dwc/terms/identificationReferences
Class	http://rs.tdwg.org/dwc/terms/Identification
Definition	A list (concatenated and separated) of references (publication, global unique identifier, URI) used in the Identification.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). 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.".

identificationVerificationStatus
Label	Identification Verification Status
Identifier	http://rs.tdwg.org/dwc/terms/identificationVerificationStatus
Class	http://rs.tdwg.org/dwc/terms/Identification
Definition	A categorical indicator of the extent to which the taxonomic identification has been verified to be correct. Recommended best practice is to use a controlled vocabulary such as that used in HISPID/ABCD.
Comment	Examples: "0", "4"

identificationRemarks
Label	Identification Remarks
Identifier	http://rs.tdwg.org/dwc/terms/identificationRemarks
Class	http://rs.tdwg.org/dwc/terms/Identification
Definition	Comments or notes about the Identification.
Comment	Example: "Distinguished between Anthus correndera and Anthus hellmayri based on the comparative lengths of the uñas."

Taxon

taxonID
scientificNameID
acceptedNameUsageID
parentNameUsageID
originalNameUsageID
nameAccordingToID
namePublishedInID
taxonConceptID
scientificName
acceptedNameUsage
parentNameUsage
originalNameUsage
nameAccordingTo
namePublishedIn
namePublishedInYear
higherClassification
kingdom
phylum
class
order
family
genus
subgenus
infraspecificEpithet
specificEpithet
taxonRank
verbatimTaxonRank
scientificNameAuthorship
vernacularName
nomenclaturalCode
taxonomicStatus
nomenclaturalStatus
taxonRemarks

Taxon
Label	Taxon
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.
Comment	Example: The genus Truncorotaloides as published by Brönnimann et al. in 1953 in the Journal of Paleontology Vol. 27(6) p. 817-820.

taxonID
Label	Taxon ID
Identifier	http://rs.tdwg.org/dwc/terms/taxonID
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Examples: "8fa58e08-08de-4ac1-b69c-1235340b7001", "32567", "http://species.gbif.org/abies_alba_1753", "urn:lsid:gbif.org:usages:32567"

scientificNameID
Label	Scientific Name ID
Identifier	http://rs.tdwg.org/dwc/terms/scientificNameID
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	An identifier for the nomenclatural (not taxonomic) details of a scientific name.
Comment	Example: "urn:lsid:ipni.org:names:37829-1:1.3"

acceptedNameUsageID
Label	Accepted Name Usage ID
Identifier	http://rs.tdwg.org/dwc/terms/acceptedNameUsageID
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Example: "8fa58e08-08de-4ac1-b69c-1235340b7001"

parentNameUsageID
Label	Parent Name Usage ID
Identifier	http://rs.tdwg.org/dwc/terms/parentNameUsageID
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Example: "8fa58e08-08de-4ac1-b69c-1235340b7001"

originalNameUsageID
Label	Original Name Usage ID
Identifier	http://rs.tdwg.org/dwc/terms/originalNameUsageID
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Example: "http://species.gbif.org/abies_alba_1753"

nameAccordingToID
Label	Name According To ID
Identifier	http://rs.tdwg.org/dwc/terms/nameAccordingToID
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	An identifier for the source in which the specific taxon concept circumscription is defined or implied. See nameAccordingTo.
Comment	Example: "doi:10.1016/S0269-915X(97)80026-2"

namePublishedInID
Label	Name Published In ID
Identifier	http://rs.tdwg.org/dwc/terms/namePublishedInID
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	An identifier for the publication in which the scientificName was originally established under the rules of the associated nomenclaturalCode.
Comment	Example: "http://hdl.handle.net/10199/7"

taxonConceptID
Label	Taxon Concept ID
Identifier	http://rs.tdwg.org/dwc/terms/taxonConceptID
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	An identifier for the taxonomic concept to which the record refers - not for the nomenclatural details of a taxon.
Comment	Example: "8fa58e08-08de-4ac1-b69c-1235340b7001"

scientificName
Label	Scientific Name
Identifier	http://rs.tdwg.org/dwc/terms/scientificName
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	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)

acceptedNameUsage
Label	Accepted Name Usage
Identifier	http://rs.tdwg.org/dwc/terms/acceptedNameUsage
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full name, with authorship and date information if known, of the currently valid (zoological) or accepted (botanical) taxon.
Comment	Example: "Tamias minimus" valid name for "Eutamias minimus"

parentNameUsage
Label	Parent Name Usage
Identifier	http://rs.tdwg.org/dwc/terms/parentNameUsage
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Examples: "Rubiaceae", "Gruiformes", "Testudinae"

originalNameUsage
Label	Original Name Usage
Identifier	http://rs.tdwg.org/dwc/terms/originalNameUsage
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Examples: "Pinus abies", "Gasterosteus saltatrix Linnaeus 1768"

nameAccordingTo
Label	Name According To
Identifier	http://rs.tdwg.org/dwc/terms/nameAccordingTo
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Example: "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"

namePublishedIn
Label	Name Published In
Identifier	http://rs.tdwg.org/dwc/terms/namePublishedIn
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	A reference for the publication in which the scientificName was originally established under the rules of the associated nomenclaturalCode.
Comment	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"

namePublishedInYear
Label	Name Published In Year
Identifier	http://rs.tdwg.org/dwc/terms/namePublishedInYear
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The four-digit year in which the scientificName was published.
Comment	Examples: "1915", "2008"

higherClassification
Label	Higher Classification
Identifier	http://rs.tdwg.org/dwc/terms/higherClassification
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	A list (concatenated and separated) of taxa names terminating at the rank immediately superior to the taxon referenced in the taxon record.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '), with terms in order from the highest taxonomic rank to the lowest. Examples: "Animalia", "Animalia \| Chordata \| Vertebrata \| Mammalia \| Theria \| Eutheria \| Rodentia \| Hystricognatha \| Hystricognathi \| Ctenomyidae \| Ctenomyini \| Ctenomys".

kingdom
Label	Kingdom
Identifier	http://rs.tdwg.org/dwc/terms/kingdom
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full scientific name of the kingdom in which the taxon is classified.
Comment	Examples: "Animalia", "Plantae"

phylum
Label	Phylum
Identifier	http://rs.tdwg.org/dwc/terms/phylum
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full scientific name of the phylum or division in which the taxon is classified.
Comment	Examples: "Chordata" (phylum), "Bryophyta" (division)

class
Label	Class
Identifier	http://rs.tdwg.org/dwc/terms/class
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full scientific name of the class in which the taxon is classified.
Comment	Examples: "Mammalia", "Hepaticopsida"

order
Label	Order
Identifier	http://rs.tdwg.org/dwc/terms/order
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full scientific name of the order in which the taxon is classified.
Comment	Examples: "Carnivora", "Monocleales"

family
Label	Family
Identifier	http://rs.tdwg.org/dwc/terms/family
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full scientific name of the family in which the taxon is classified.
Comment	Examples: "Felidae", "Monocleaceae"

genus
Label	Genus
Identifier	http://rs.tdwg.org/dwc/terms/genus
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full scientific name of the genus in which the taxon is classified.
Comment	Examples: "Puma", "Monoclea"

subgenus
Label	Subgenus
Identifier	http://rs.tdwg.org/dwc/terms/subgenus
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The full scientific name of the subgenus in which the taxon is classified. Values should include the genus to avoid homonym confusion.
Comment	Examples: "Strobus (Pinus)", "Puma (Puma)" "Loligo (Amerigo)", "Hieracium subgen. Pilosella"

infraspecificEpithet
Label	Infraspecific Epithet
Identifier	http://rs.tdwg.org/dwc/terms/infraspecificEpithet
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The name of the lowest or terminal infraspecific epithet of the scientificName, excluding any rank designation.
Comment	Examples: "concolor", "oxyadenia", "sayi"

specificEpithet
Label	Specific Epithet
Identifier	http://rs.tdwg.org/dwc/terms/specificEpithet
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The name of the first or species epithet of the scientificName.
Comment	Examples: "concolor", "gottschei"

taxonRank
Label	Taxon Rank
Identifier	http://rs.tdwg.org/dwc/terms/taxonRank
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The taxonomic rank of the most specific name in the scientificName. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "subspecies", "varietas", "forma", "species", "genus"

verbatimTaxonRank
Label	Verbatim Taxon Rank
Identifier	http://rs.tdwg.org/dwc/terms/verbatimTaxonRank
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The taxonomic rank of the most specific name in the scientificName as it appears in the original record.
Comment	Examples: "Agamospecies", "sub-lesus", "prole", "apomict", "nothogrex", "sp.", "subsp.", "var."

scientificNameAuthorship
Label	Scientific Name Authorship
Identifier	http://rs.tdwg.org/dwc/terms/scientificNameAuthorship
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The authorship information for the scientificName formatted according to the conventions of the applicable nomenclaturalCode.
Comment	Example: "(Torr.) J.T. Howell", "(Martinovský) Tzvelev", "(Györfi, 1952)"

vernacularName
Label	Vernacular Name
Identifier	http://rs.tdwg.org/dwc/terms/vernacularName
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	A common or vernacular name.
Comment	Examples: "Andean Condor", "Condor Andino", "American Eagle", "Gänsegeier"

nomenclaturalCode
Label	Nomenclatural Code
Identifier	http://rs.tdwg.org/dwc/terms/nomenclaturalCode
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	The nomenclatural code (or codes in the case of an ambiregnal name) under which the scientificName is constructed. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "ICBN", "ICZN", "BC", "ICNCP", "BioCode", "ICZN; ICBN"

taxonomicStatus
Label	Taxonomic Status
Identifier	http://rs.tdwg.org/dwc/terms/taxonomicStatus
Class	http://rs.tdwg.org/dwc/terms/Taxon
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. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "invalid", "misapplied", "homotypic synonym", "accepted"

nomenclaturalStatus
Label	Nomenclatural Status
Identifier	http://rs.tdwg.org/dwc/terms/nomenclaturalStatus
Class	http://rs.tdwg.org/dwc/terms/Taxon
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.
Comment	Examples: "nom. ambig.", "nom. illeg.", "nom. subnud."

taxonRemarks
Label	Taxon Remarks
Identifier	http://rs.tdwg.org/dwc/terms/taxonRemarks
Class	http://rs.tdwg.org/dwc/terms/Taxon
Definition	Comments or notes about the taxon or name.
Comment	Example: "this name is a misspelling in common use"

MeasurementOrFact

measurementID
measurementType
measurementValue
measurementAccuracy
measurementUnit
measurementDeterminedBy
measurementDeterminedDate
measurementMethod
measurementRemarks

MeasurementOrFact
Label	Measurement or Fact
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).
Comment	Resources can be thought of as identifiable records or instances of classes and may include, but need not be limited to Occurrences, Organisms, MaterialSamples, Events, Locations, GeologicalContexts, Identifications, or Taxa. Examples: The weight of an organism in grams. The number of placental scars.

measurementID
Label	Measurement ID
Identifier	http://rs.tdwg.org/dwc/terms/measurementID
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
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.
Comment

measurementType
Label	Measurement Type
Identifier	http://rs.tdwg.org/dwc/terms/measurementType
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	The nature of the measurement, fact, characteristic, or assertion. Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "tail length", "temperature", "trap line length", "survey area", "trap type"

measurementValue
Label	Measurement Value
Identifier	http://rs.tdwg.org/dwc/terms/measurementValue
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	The value of the measurement, fact, characteristic, or assertion.
Comment	Examples: "45", "20", "1", "14.5", "UV-light"

measurementAccuracy
Label	Measurement Accuracy
Identifier	http://rs.tdwg.org/dwc/terms/measurementAccuracy
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	The description of the potential error associated with the measurementValue.
Comment	Examples: "0.01", "normal distribution with variation of 2 m"

measurementUnit
Label	Measurement Unit
Identifier	http://rs.tdwg.org/dwc/terms/measurementUnit
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	The units associated with the measurementValue. Recommended best practice is to use the International System of Units (SI).
Comment	Examples: "mm", "C", "km", "ha"

measurementDeterminedBy
Label	Measurement Determined By
Identifier	http://rs.tdwg.org/dwc/terms/measurementDeterminedBy
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	A list (concatenated and separated) of names of people, groups, or organizations who determined the value of the MeasurementOrFact.
Comment	The recommended best practice is to separate the values with a vertical bar (' \| '). Examples: "Rob Guralnick", "Julie Woodruff \| Eileen Lacey".

measurementDeterminedDate
Label	Measurement Determined Date
Identifier	http://rs.tdwg.org/dwc/terms/measurementDeterminedDate
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	The date on which the MeasurementOrFact was made. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).
Comment	Examples: "1963-03-08T14:07-0600" is 8 Mar 1963 2:07pm in the time zone six hours earlier than UTC, "2009-02-20T08:40Z" is 20 Feb 2009 8:40am UTC, "1809-02-12" is 12 Feb 1809, "1906-06" is Jun 1906, "1971" is just that year, "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" is the interval between 1 Mar 2007 1pm UTC and 11 May 2008 3:30pm UTC, "2007-11-13/15" is the interval between 13 Nov 2007 and 15 Nov 2007.

measurementMethod
Label	Measurement Method
Identifier	http://rs.tdwg.org/dwc/terms/measurementMethod
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	A description of or reference to (publication, URI) the method or protocol used to determine the measurement, fact, characteristic, or assertion.
Comment	Examples: "minimum convex polygon around burrow entrances" for a home range area, "barometric altimeter" for an elevation

measurementRemarks
Label	Measurement Remarks
Identifier	http://rs.tdwg.org/dwc/terms/measurementRemarks
Class	http://rs.tdwg.org/dwc/terms/MeasurementOrFact
Definition	Comments or notes accompanying the MeasurementOrFact.
Comment	Example: "tip of tail missing"

ResourceRelationship

resourceRelationshipID
resourceID
relatedResourceID
relationshipOfResource
relationshipAccordingTo
relationshipEstablishedDate
relationshipRemarks

ResourceRelationship
Label	Resource Relationship
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.
Comment	Resources can be thought of as identifiable records or instances of classes and may include, but need not be limited to Occurrences, Organisms, MaterialSamples, Events, Locations, GeologicalContexts, Identifications, or Taxa. Example: An instance of an Organism is the mother of another instance of an Organism.

resourceRelationshipID
Label	Resource Relationship ID
Identifier	http://rs.tdwg.org/dwc/terms/resourceRelationshipID
Class	http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition	An identifier for an instance of relationship between one resource (the subject) and another (relatedResource, the object).
Comment

resourceID
Label	Resource ID
Identifier	http://rs.tdwg.org/dwc/terms/resourceID
Class	http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition	An identifier for the resource that is the subject of the relationship.
Comment

relatedResourceID
Label	Related Resource ID
Identifier	http://rs.tdwg.org/dwc/terms/relatedResourceID
Class	http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition	An identifier for a related resource (the object, rather than the subject of the relationship).
Comment

relationshipOfResource
Label	Relationship Of Resource
Identifier	http://rs.tdwg.org/dwc/terms/relationshipOfResource
Class	http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition	The relationship of the resource identified by relatedResourceID to the subject (optionally identified by the resourceID). Recommended best practice is to use a controlled vocabulary.
Comment	Examples: "duplicate of", "mother of", "endoparasite of", "host to", "sibling of", "valid synonym of", "located within"

relationshipAccordingTo
Label	Relationship According To
Identifier	http://rs.tdwg.org/dwc/terms/relationshipAccordingTo
Class	http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition	The source (person, organization, publication, reference) establishing the relationship between the two resources.
Comment	Example: "Julie Woodruff"

relationshipEstablishedDate
Label	Relationship Established Date
Identifier	http://rs.tdwg.org/dwc/terms/relationshipEstablishedDate
Class	http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition	The date-time on which the relationship between the two resources was established. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).
Comment	Examples: "1963-03-08T14:07-0600" is 8 Mar 1963 2:07pm in the time zone six hours earlier than UTC, "2009-02-20T08:40Z" is 20 Feb 2009 8:40am UTC, "1809-02-12" is 12 Feb 1809, "1906-06" is Jun 1906, "1971" is just that year, "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" is the interval between 1 Mar 2007 1pm UTC and 11 May 2008 3:30pm UTC, "2007-11-13/15" is the interval between 13 Nov 2007 and 15 Nov 2007.

relationshipRemarks
Label	Relationship Remarks
Identifier	http://rs.tdwg.org/dwc/terms/relationshipRemarks
Class	http://rs.tdwg.org/dwc/terms/ResourceRelationship
Definition	Comments or notes about the relationship between the two resources.
Comment	Examples: "mother and offspring collected from the same nest", "pollinator captured in the act"

Terms