mirror of https://github.com/tdwg/dwc.git
59 lines
2.7 KiB
Markdown
59 lines
2.7 KiB
Markdown
# Establishment Means Controlled Vocabulary List of Terms
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Title
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: Establishment Means Controlled Vocabulary List of Terms
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Namespace URI
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: <http://rs.tdwg.org/dwcem/values/>
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Preferred namespace abbreviation
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: dwcem:
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Date version issued
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: 2021-09-01
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Date created
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: 2020-10-13
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Part of TDWG Standard
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: <http://www.tdwg.org/standards/450>
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This document version
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: <http://rs.tdwg.org/dwc/doc/em/2021-09-01>
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Latest version of document
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: <http://rs.tdwg.org/dwc/doc/em/>
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Previous version
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: <http://rs.tdwg.org/dwc/doc/em/2020-10-13>
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Abstract
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: The Darwin Core term `establishmentMeans` provides information about whether an organism or organisms have been introduced to a given place and time through the direct or indirect activity of modern humans. The Establishment Means Controlled Vocabulary provides terms that should be used as values for `dwc:establishmentMeans` and `dwciri:establishmentMeans`.
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Contributors
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: Quentin Groom, Peter Desmet, Lien Reyserhove, Tim Adriaens, Damiano Oldoni, Sonia Vanderhoeven, Steven J Baskauf, Arthur Chapman, Melodie McGeoch, Ramona Walls, John Wieczorek, John R.U. Wilson, Paula F F Zermoglio, Annie Simpson
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Creator
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: TDWG Darwin Core Maintenance Group
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Bibliographic citation
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: Darwin Core Maintenance Group. 2021. Establishment Means Controlled Vocabulary List of Terms. Biodiversity Information Standards (TDWG). <http://rs.tdwg.org/dwc/doc/em/2021-09-01>
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## 1 Introduction
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This document includes terms intended to be used as a controlled value for Darwin Core terms with local name `establishmentMeans`. For details and rationale, see Groom et al. 2019. Improving Darwin Core for research and management of alien species. <https://doi.org/10.3897/biss.3.38084>
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### 1.1 Status of the content of this document
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In Section 4, the values of the `Term IRI`, `Definition`, and `Controlled value` are normative. The value of `Usage` (if it exists for a given term) is normative. The values of `Term Name` are non-normative, although one can expect that the namespace abbreviation prefix is one commonly used for the term namespace. `Label` and the values of all other properties (such as `Notes`) are non-normative.
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### 1.2 RFC 2119 key words
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The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119).
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## 2 Use of Terms
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Due to the requirements of [Section 1.4.3 of the Darwin Core RDF Guide](https://dwc.tdwg.org/rdf/#143-use-of-darwin-core-terms-in-rdf-normative), term IRIs MUST be used as values of `dwciri:establishmentMeans`. Controlled value strings MUST be used as values of `dwc:establishmentMeans`.
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## 3 Term index
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