mirror of https://github.com/tdwg/dwc.git
341 lines
21 KiB
Markdown
341 lines
21 KiB
Markdown
# Darwin Core XML guide
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Title
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: Darwin Core XML guide
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Date version issued
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: 2023-09-13
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Date created
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: 2009-02-12
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Part of TDWG Standard
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: <http://www.tdwg.org/standards/450>
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This version
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: <http://rs.tdwg.org/dwc/terms/guides/xml/2023-09-13>
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Latest version
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: <http://rs.tdwg.org/dwc/terms/guides/xml/>
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Previous version
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: <http://rs.tdwg.org/dwc/terms/guides/xml/2021-07-15>
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Abstract
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: Guidelines for the implementation of Darwin Core in XML.
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Contributors
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: [John Wieczorek](https://orcid.org/0000-0003-1144-0290) ([VertNet](http://www.wikidata.org/entity/Q98382028)), [Markus Döring](https://orcid.org/0000-0001-7757-1889) ([Global Biodiversity Information Facility](http://www.wikidata.org/entity/Q1531570)), [Renato De Giovanni](https://orcid.org/0000-0002-7104-7266) ([Centro de Referência em Informação Ambiental](http://www.wikidata.org/entity/Q29168927)), [Tim Robertson](https://orcid.org/0000-0001-6215-3617) ([Global Biodiversity Information Facility](http://www.wikidata.org/entity/Q1531570)), [Dave Vieglais](https://orcid.org/0000-0002-6513-4996) ([KU Natural History Museum](http://www.wikidata.org/entity/Q1111807)), [Gail Kampmeier](https://orcid.org/0000-0002-5178-4170) ([Illinois Natural History Survey](http://www.wikidata.org/entity/Q5999587))
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Creator
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: Darwin Core Maintenance Group
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Bibliographic citation
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: Darwin Core Maintenance Group. 2023. Darwin Core XML guide. Biodiversity Information Standards (TDWG). <http://rs.tdwg.org/dwc/terms/guides/xml/2023-09-13>
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## 1 Introduction
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This document provides guidelines for implementing application schemas based on [Darwin Core terms](../../terms/) using [XML](http://www.w3.org/XML/). The underlying metadata model is described (in a syntax neutral way), followed by some specific guidelines for XML implementations. Some guidance on the use of non-Darwin Core terms is also provided.
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This document does not provide guidelines for encoding Darwin Core in RDF/XML. Nor does it take a position on the relative merits of encoding metadata in "plain" XML rather than RDF/XML. This document provides guidelines in those cases where RDF/XML is not considered appropriate.
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### 1.1 Status of the content of this document
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All sections of this document are normative, except for sections that are explicitly marked as non-normative.
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#### 1.1.1 RFC 2119 key words
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The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
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"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to
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be interpreted as described in [BCP 14](https://datatracker.ietf.org/doc/html/bcp14)
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[[RFC2119]](https://datatracker.ietf.org/doc/html/rfc2119)
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[[RFC8174]](https://datatracker.ietf.org/doc/html/rfc8174)
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when, and only when, they are written in capitals (as shown here).
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### 1.2 Audience
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This document is targeted toward those who wish to use or construct application schemas using Darwin Core terms in XML. It includes explanations of existing schemas such as [Simple Darwin Core](../simple/) and how to build new schemas to meet specific models of information.
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## 2 Implementation guide
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### 2.1 XML schema
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Implementors SHOULD base their XML applications on [XML Schemas](http://www.w3.org/XML/Schema) rather than _XML DTDs_. Approaches based on _XML Schemas_ are more flexible and are more easily re-used within other XML applications.
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### 2.2 XML namespaces
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Implementors MUST use [XML Namespaces](http://www.w3.org/TR/1999/REC-xml-names-19990114/) to uniquely identify elements. Darwin Core namespaces are defined in the [Darwin Core Namespace Policy](../../namespace/), while Dublin Core namespaces are defined in the [DCMI Namespace Recommendation](http://dublincore.org/documents/dcmi-namespace/).
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### 2.3 Abstract model
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The Darwin Core follows the [Dublin Core Metadata Initiative Abstract Model](http://dublincore.org/documents/abstract-model/) except that the Darwin Core _record_ is roughly equivalent to the Dublin Core _resource_.
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- A Darwin Core term MUST be either a `class` or a `property` where `class` is defined as http://www.w3.org/2000/01/rdf-schema#Class and `property` is defined as http://www.w3.org/1999/02/22-rdf-syntax-ns#Property.
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- A `Darwin Core record` MUST be made up of zero or more `classes` and one or more `properties` with their associated `values`.
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- Each `value` MUST be a literal string.
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- The `values` of `properties` within a `Darwin Core record` describe that record.
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- A `Darwin Core record` MUST include all required `properties`, if any, and their associated `values`.
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### 2.4 Properties and values
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Darwin Core follows the guidelines for expressing [Dublin Core metadata using XML](http://dublincore.org/documents/dc-xml/) except in that Darwin Core implementors MUST encode `properties` as XML elements and `values` as the content of those elements instead of having each property contain a value representation and its associated value. The name of the XML element MUST be an XML qualified name (QName), which associates the value given in the `Term name` attribute in the [Darwin Core Terms](../../terms/) recommendation with the appropriate namespace name. For example, use:
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```xml
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
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targetNamespace="http://rs.tdwg.org/dwc/terms/"
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xmlns:dwc="http://rs.tdwg.org/dwc/terms/">
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...
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<dwc:basisOfRecord>HumanObservation</dwc:basisOfRecord>
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```
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rather than:
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```xml
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<dwc:basisOfRecord value="HumanObservation"/>
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```
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### 2.5 Null values
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Elements for which the value is null SHOULD be omitted from the document or explicitly coded using the attribute `xsi:nil="true"`.
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```xml
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<dwc:locality xsi:nil="true"/>
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```
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An empty string - an element with no content - MUST NOT be used:
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```xml
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<dwc:locality></dwc:locality>
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```
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### 2.6 Simple Darwin Core
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[Simple Darwin Core](tdwg_dwc_simple.xsd) most closely models the "flat" nature of many data sets. It is a ready-made schema for sharing information with no structure beyond properties of a _record_ (equivalent to fields in a table, or columns in a spreadsheet). It is meant to accommodate all properties except those that require further structure to be meaningful (auxilliary terms in the classes [ResourceRelationship](http://rs.tdwg.org/dwc/terms/ResourceRelationship), [MeasurementOrFact](http://rs.tdwg.org/dwc/terms/MeasurementOrFact), and [ChronometricAge](http://rs.tdwg.org/chrono/terms/ChronometricAge). The schema has no required terms and no term is repeated within a given _record_. Refer to [Simple Darwin Core](../simple/) for the rationale behind this schema.
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The term [`dcterms:type`](http://rs.tdwg.org/dwc/terms/dcterms:type) (which is controlled by the [Dublin Core Type Vocabulary](http://dublincore.org/documents/dcmi-type-vocabulary/)), gives the basic category of object (`PhysicalObject`, `StillImage`, `MovingImage`, `Sound`, `Text`) the record is about. The term [`basisOfRecord`](http://rs.tdwg.org/dwc/terms/basisOfRecord), which has a controlled vocabulary distinct from that of `dcterms:type`, shows the name of the Darwin Core class (e.g., [`Event`](http://rs.tdwg.org/dwc/terms/Event), [`LivingSpecimen`](http://rs.tdwg.org/dwc/terms/LivingSpecimen), [`PreservedSpecimen`](http://rs.tdwg.org/dwc/terms/PreservedSpecimen), [`FossilSpecimen`](http://rs.tdwg.org/dwc/terms/FossilSpecimen), [`MaterialEntity`](http://rs.tdwg.org/dwc/terms/MaterialEntity), [`MaterialCitation`](http://rs.tdwg.org/dwc/terms/MaterialCitation), [`HumanObservation`](http://rs.tdwg.org/dwc/terms/HumanObservation), [`MachineObservation`](http://rs.tdwg.org/dwc/terms/MachineObservation), [`Taxon`](http://rs.tdwg.org/dwc/terms/Taxon)) the record is about.
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#### 2.6.1 Simple Darwin Core example (non-normative)
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Following is a brief example of an XML document for a single specimen complying with the [Simple Darwin Core Schema](tdwg_dwc_simple.xsd)].
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```xml
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<?xml version="1.0"?>
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<dwr:SimpleDarwinRecordSet
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://rs.tdwg.org/dwc/xsd/simpledarwincore/ http://rs.tdwg.org/dwc/xsd/tdwg_dwc_simple.xsd"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:dcterms="http://purl.org/dc/terms/"
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xmlns:dwc="http://rs.tdwg.org/dwc/terms/"
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xmlns:dwr="http://rs.tdwg.org/dwc/xsd/simpledarwincore/">
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<dwr:SimpleDarwinRecord>
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<dc:type>PhysicalObject</dc:type>
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<dcterms:modified>2009-02-12T12:43:31</dcterms:modified>
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<dc:language>en</dc:language>
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<dcterms:rightsHolder>Regents of the University of California</dcterms:rightsHolder>
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<dcterms:license>http://creativecommons.org/publicdomain/zero/1.0/legalcode</dcterms:license>
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<dwc:basisOfRecord>PreservedSpecimen</dwc:basisOfRecord>
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<dwc:institutionCode>MVZ</dwc:institutionCode>
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<dwc:collectionCode>Mammal specimens</dwc:collectionCode>
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<dwc:catalogNumber>MVZ:Mamm:14523</dwc:catalogNumber>
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<dec:sex>male</dwc:sex>
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<dwc:occurrenceID>http://arctos.database.museum/guid/MVZ:Mamm:14523?seid=770093</dwc:occurrenceID>
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<dwc:country>United States</dwc:country>
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<dwc:countryCode>US</dwc:countryCode>
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<dwc:stateProvince>California</dwc:stateProvince>
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<dwc:county>Kern County</dwc:county>
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<dwc:locality>8 mi NE Bakersfield</dwc:locality>
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<dwc:decimalLatitude>35.45038</dwc:decimalLatitude>
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<dwc:decimalLongitude>-118.9092</dwc:decimalLongitude>
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<dwc:geodeticDatum>epdg:4267</dwc:geodeticDatum>
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<dwc:coordinateUncertaintyInMeters>13696</dwc:coordinateUncertaintyInMeters>
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<dwc:eventDate>1911-05-14</dwc:eventDate>
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<dwc:scientificName>Perognathus inornatus inornatus</dwc:scientificName>
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</dwr:SimpleDarwinRecord>
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</dwr:SimpleDarwinRecordSet>
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```
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### 2.7 Classes and containment
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Many Darwin Core terms (`properties`) are defined as being associated with another term (a `class`). For example, [`scientificName`](http://rs.tdwg.org/dwc/terms/scientificName) and [`Taxon`](http://rs.tdwg.org/dwc/terms/Taxon) are both Darwin Core terms, but `scientificName` is a property organized within the `Taxon` class. When constructing schemas that take advantage of classes in structures, implementors SHOULD maintain the property/class organization for the terms whenever possible (refer to the grouping of the term within a class in the [Quick Reference Guide](../../terms/). To promote reuse, Darwin Core provides a set of xml schemas to use as the basis of additional schemas:
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- [Terms XML Schema](tdwg_dwcterms.xsd) - property term definitions as typed global elements and named groups for all terms for a given class to be referenced. The schema makes use of substitution groups `anyClass`, `anyProperty`, `anyIdentifier` and `anyXYZTerm` for each class, e.g. `anyTaxonTerm`. This is the schema upon which the [Simple Darwin Core XML Schema](tdwg_dwc_simple.xsd) is based.
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- [Class Terms XML Schema](tdwg_dwc_class_terms.xsd) - class term definitions as typed global elements with subelements referencing all corresponding property terms via their substitution group.
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Classes SHOULD be used in a normalized way to avoid deep nesting. An [XML schema](tdwg_dwc_classes.xsd) is provided to freely mix any Darwin Core Class in a global list and allow them to reference each other using the respective class identifier terms.
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#### 2.7.1 Normalized classes examples (non-normative)
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Following is an example of using a normalized class-based schema to represent two related specimen dwc:Occurrences from one dwc:Event. In this example a Western garter snake collected by Gordon W Gullion in 1949 was found to have eaten a Coastal giant salamander. Note the reuse of class instances by referring to the identifiers declared in the instances of those classes:
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```xml
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<?xml version="1.0" encoding="UTF-8"?>
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<dwr:DarwinRecordSet xmlns:dwr="http://rs.tdwg.org/dwc/dwcrecord/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dwc="http://rs.tdwg.org/dwc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://rs.tdwg.org/dwc/dwcrecord/ http://rs.tdwg.org/dwc/xsd/tdwg_dwc_classes.xsd">
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<dwc:Occurrence>
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<dwc:occurrenceID>http://arctos.database.museum/guid/MVZ:Herp:51568?seid=525813</dwc:occurrenceID>
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<dcterms:type>PhysicalObject</dcterms:type>
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<dwc:basisOfRecord>PreservedSpecimen</dwc:basisOfRecord>
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<dwc:institutionCode>MVZ</dwc:institutionCode>
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<dwc:collectionCode>Amphibian and reptile specimens</dwc:collectionCode>
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<dwc:catalogNumber>MVZ:Herp:51568</dwc:catalogNumber>
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<dwc:recordedBy>Gordon W. Gullion</dwc:recordedBy>
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<dwc:organismID>http://arctos.database.museum/guid/MVZ:Herp:51568</dwc:organismID>
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<dwc:eventID>525813</dwc:eventID>
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<dwc:associatedMedia>http://arctos.database.museum/MediaSearch.cfm?collection_object_id=10513964</dwc:associatedMedia>
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<dwc:associatedOccurrences>"had stomach contents":"http://arctos.database.museum/guid/MVZ:Herp:51500?seid=670405"</dwc:associatedOccurrences>
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</dwc:Occurrence>
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<dwc:Organism>
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<dwc:organismID>http://arctos.database.museum/guid/MVZ:Herp:51568</dwc:organismID>
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<dwc:organismScope>multicellular organism</dwc:organismScope>
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<dwc:associatedOrganisms>"ate":"http://arctos.database.museum/guid/MVZ:Herp:51500"</dwc:associatedOrganisms>
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</dwc:Organism>
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<dwc:Event>
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<dwc:eventID>525813</dwc:eventID>
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<dwc:eventDate>1949-09-02</dwc:eventDate>
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<dwc:verbatimEventDate>2 Sep 1949</dwc:verbatimEventDate>
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<dwc:locationID>https://arctos.database.museum/place.cfm?action=detail&locality_id=10754971</dwc:locationID>
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</dwc:Event>
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<dcterms:Location>
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<dwc:locationID>https://arctos.database.museum/place.cfm?action=detail&locality_id=10754971</dwc:locationID>
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<dwc:country>United States</dwc:country>
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<dwc:countryCode>US</dwc:countryCode>
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<dwc:stateProvince>California</dwc:stateProvince>
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<dwc:county>Humboldt County</dwc:county>
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<dwc:locality>Raccoon Creek, 3 mi N Willow Creek</dwc:locality>
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</dcterms:Location>
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<dwc:Identification>
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<dwc:identifiedBy>Museum of Vertebrate Zoology, University of California, Berkeley</dwc:identifiedBy>
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<dwc:dateIdentified>1999-01-27</dwc:dateIdentified>
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<dwc:occurrenceID>http://arctos.database.museum/guid/MVZ:Herp:51568?seid=525813</dwc:occurrenceID>
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<dwc:taxonID>https://www.gbif.org/species/2457545</dwc:taxonID>
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</dwc:Identification>
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<dwc:Taxon>
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<dwc:taxonID>https://www.gbif.org/species/2457545</dwc:taxonID>
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<dwc:scientificName>Thamnophis elegans (Baird & Girard, 1853)</dwc:scientificName>
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<dwc:taxonRank>species</dwc:taxonRank>
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<dwc:genus>Thamnophis</dwc:genus>
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<dwc:specificEpithet>elgans</dwc:specificEpithet>
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</dwc:Taxon>
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<dwc:Occurrence>
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<dwc:occurrenceID>http://arctos.database.museum/guid/MVZ:Herp:51500?seid=670405</dwc:occurrenceID>
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<dcterms:type>PhysicalObject</dcterms:type>
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<dwc:basisOfRecord>PreservedSpecimen</dwc:basisOfRecord>
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<dwc:institutionCode>MVZ</dwc:institutionCode>
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<dwc:collectionCode>Amphibian and reptile specimens</dwc:collectionCode>
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<dwc:catalogNumber>MVZ:Herp:51500</dwc:catalogNumber>
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<dwc:recordedBy>Gordon W. Gullion</dwc:recordedBy>
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<dwc:eventID>525813</dwc:eventID>
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<dwc:associatedMedia>http://arctos.database.museum/MediaSearch.cfm?collection_object_id=10513964</dwc:associatedMedia>
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<dwc:associatedOccurrences>"found as stomach contents of":"http://arctos.database.museum/guid/MVZ:Herp:51568?seid=525813"</dwc:associatedOccurrences>
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</dwc:Occurrence>
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<dwc:Organism>
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<dwc:organismID>http://arctos.database.museum/guid/MVZ:Herp:51500</dwc:organismID>
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<dwc:organismScope>multicellular organism</dwc:organismScope>
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<dwc:associatedOrganisms>"eaten by":"http://arctos.database.museum/guid/MVZ:Herp:51568"</dwc:associatedOrganisms>
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</dwc:Organism>
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<dwc:Identification>
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<dwc:identifiedBy>Museum of Vertebrate Zoology, University of California, Berkeley</dwc:identifiedBy>
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<dwc:dateIdentified>1999-01-27</dwc:dateIdentified>
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<dwc:occurrenceID>http://arctos.database.museum/guid/MVZ:Herp:51500?seid=670405</dwc:occurrenceID>
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<dwc:taxonID>https://www.gbif.org/species/2432022</dwc:taxonID>
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</dwc:Identification>
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<dwc:Taxon>
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<dwc:taxonID>https://www.gbif.org/species/2432022</dwc:taxonID>
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<dwc:scientificName>Dicamptodon tenebrosus (Baird & Girard, 1852)</dwc:scientificName>
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<dwc:taxonRank>species</dwc:taxonRank>
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<dwc:genus>Dicamptodon</dwc:genus>
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<dwc:specificEpithet>tenebrosus</dwc:specificEpithet>
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</dwc:Taxon>
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<dwc:ResourceRelationship>
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<dwc:resourceID>http://arctos.database.museum/guid/MVZ:Herp:51568</dwc:resourceID>
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<dwc:relationshipOfResource>ate</dwc:relationshipOfResource>
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<dwc:relatedResourceID>http://arctos.database.museum/guid/MVZ:Herp:51500</dwc:relatedResourceID>
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</dwc:ResourceRelationship>
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<dwc:ResourceRelationship>
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<dwc:resourceID>http://arctos.database.museum/guid/MVZ:Herp:51500</dwc:resourceID>
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<dwc:relationshipOfResource>eaten by</dwc:relationshipOfResource>
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<dwc:relatedResourceID>http://arctos.database.museum/guid/MVZ:Herp:51568</dwc:relatedResourceID>
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</dwc:ResourceRelationship>
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</dwr:DarwinRecordSet>
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```
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Here is an example demonstrating area count observations for dwc:Events on two different days at the same dcterms:Location. Note that we omit the dwc:Identification class here as there is no identification-related data and link directly to the dwc:Taxon via the `dwc:taxonID`:
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```xml
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<?xml version="1.0" encoding="UTF-8"?>
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<dwr:DarwinRecordSet xmlns:dwr="http://rs.tdwg.org/dwc/dwcrecord/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dwc="http://rs.tdwg.org/dwc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://rs.tdwg.org/dwc/dwcrecord/ http://rs.tdwg.org/dwc/xsd/tdwg_dwc_classes.xsd">
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<dcterms:Location>
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<dwc:locationID>AR-NQ-LL-ERG</dwc:locationID>
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<dwc:country>Argentina</dwc:country>
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<dwc:countryCode>AR</dwc:countryCode>
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<dwc:stateProvince>Neuquén</dwc:stateProvince>
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<dwc:locality>Valle Limay, Estancia Rincon Grande, 48 ha area with centroid at this point</dwc:locality>
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<dwc:decimalLatitude>-40.97467</dwc:decimalLatitude>
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<dwc:decimalLongitude>-71.0734</dwc:decimalLongitude>
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<dwc:geodeticDatum>WGS84</dwc:geodeticDatum>
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<dwc:coordinateUncertaintyInMeters>200</dwc:coordinateUncertaintyInMeters>
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</dcterms:Location>
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<dwc:Event>
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<dwc:eventID>JW-AR-NQ-LL-ERG/2006/11/26</dwc:eventID>
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<dwc:samplingProtocol>area count</dwc:samplingProtocol>
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<dwc:eventDate>2006-11-26</dwc:eventDate>
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<dwc:locationID>AR-NQ-LL-ERG</dwc:locationID>
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</dwc:Event>
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<dwc:Occurrence>
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<dwc:occurrenceID>URN:catalog:CLO:EBIRD:OBS64515288</dwc:occurrenceID>
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<dwc:institutionCode>CLO</dwc:institutionCode>
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<dwc:collectionCode>EBIRD</dwc:collectionCode>
|
|
<dwc:basisOfRecord>HumanObservation</dwc:basisOfRecord>
|
|
<dwc:individualCount>2</dwc:individualCount>
|
|
<dwc:eventID>JW-AR-NQ-LL-ERG/2006/11/26</dwc:eventID>
|
|
<dwc:taxonID>https://www.gbif.org/species/2490280</dwc:taxonID>
|
|
</dwc:Occurrence>
|
|
<dwc:Taxon>
|
|
<dwc:taxonID>https://www.gbif.org/species/2490280</dwc:taxonID>
|
|
<dwc:scientificName>Anthus hellmayri Hartert, 1909</dwc:scientificName>
|
|
<dwc:class>Aves</dwc:class>
|
|
<dwc:genus>Anthus</dwc:genus>
|
|
<dwc:specificEpithet>hellmayri</dwc:specificEpithet>
|
|
</dwc:Taxon>
|
|
<dwc:Occurrence>
|
|
<dwc:occurrenceID>URN:catalog:CLO:EBIRD:OBS64515286</dwc:occurrenceID>
|
|
<dwc:institutionCode>CLO</dwc:institutionCode>
|
|
<dwc:collectionCode>EBIRD</dwc:collectionCode>
|
|
<dwc:basisOfRecord>HumanObservation</dwc:basisOfRecord>
|
|
<dwc:individualCount>4</dwc:individualCount>
|
|
<dwc:eventID>JW-AR-NQ-LL-ERG/2006/11/26</dwc:eventID>
|
|
<dwc:taxonID>https://www.gbif.org/species/9286490</dwc:taxonID>
|
|
</dwc:Occurrence>
|
|
<dwc:Taxon>
|
|
<dwc:taxonID>https://www.gbif.org/species/9286490</dwc:taxonID>
|
|
<dwc:scientificName>Anthus correndera Vieillot, 1818</dwc:scientificName>
|
|
<dwc:class>Aves</dwc:class>
|
|
<dwc:genus>Anthus</dwc:genus>
|
|
<dwc:specificEpithet>correndera</dwc:specificEpithet>
|
|
</dwc:Taxon>
|
|
<dwc:Event>
|
|
<dwc:eventID>JW-AR-NQ-LL-ERG/2006/11/27</dwc:eventID>
|
|
<dwc:samplingProtocol>area count</dwc:samplingProtocol>
|
|
<dwc:eventDate>2006-11-27</dwc:eventDate>
|
|
<dwc:locationID>AR-NQ-LL-ERG</dwc:locationID>
|
|
</dwc:Event>
|
|
<dwc:Occurrence>
|
|
<dwc:occurrenceID>URN:catalog:CLO:EBIRD:OBS64515333</dwc:occurrenceID>
|
|
<dwc:institutionCode>CLO</dwc:institutionCode>
|
|
<dwc:collectionCode>EBIRD</dwc:collectionCode>
|
|
<dwc:basisOfRecord>HumanObservation</dwc:basisOfRecord>
|
|
<dwc:individualCount>2</dwc:individualCount>
|
|
<dwc:eventID>JW-AR-NQ-LL-ERG/2006/11/27</dwc:eventID>
|
|
<dwc:taxonID>https://www.gbif.org/species/2490280</dwc:taxonID>
|
|
</dwc:Occurrence>
|
|
<dwc:Occurrence>
|
|
<dwc:occurrenceID>urn:catalog:AUDCLO:EBIRD:OBS64515331</dwc:occurrenceID>
|
|
<dwc:institutionCode>CLO</dwc:institutionCode>
|
|
<dwc:collectionCode>EBIRD</dwc:collectionCode>
|
|
<dwc:basisOfRecord>HumanObservation</dwc:basisOfRecord>
|
|
<dwc:individualCount>4</dwc:individualCount>
|
|
<dwc:eventID>JW-AR-NQ-LL-ERG/2006/11/27</dwc:eventID>
|
|
<dwc:taxonID>https://www.gbif.org/species/9286490</dwc:taxonID>
|
|
</dwc:Occurrence>
|
|
</dwr:DarwinRecordSet>
|
|
```
|