TDWG compatibility schema for validating the established Darwin Core Archive XML schema serialization. This is not the DCMI dcterms.xsd schema and does not define or replace DCMI Metadata Terms. The authoritative DCMI Terms vocabulary is maintained by the Dublin Core Metadata Initiative at: https://www.dublincore.org/specifications/dublin-core/dcmi-terms/ DCMI's historical XML Schema for the DCMI Terms namespace is: https://www.dublincore.org/schemas/xmls/qdc/2008/02/11/dcterms.xsd That schema represents DCMI Terms as XML elements. Darwin Core Archive schema documents have historically serialized selected DCMI Terms as XML attributes. The declarations below exist solely to allow an XML Schema 1.0 validator to validate that established DwC-A serialization.