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<extension xmlns="http://rs.gbif.org/extension/"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:dc="http://purl.org/dc/terms/"
    xsi:schemaLocation="http://rs.gbif.org/extension/ http://rs.gbif.org/schema/extension.xsd"
    dc:title="Extended Measurement Or Facts"
    name="ExtendedMeasurementOrFact" namespace="http://rs.iobis.org/obis/terms/" rowType="http://rs.iobis.org/obis/terms/ExtendedMeasurementOrFact"
    dc:issued="2016-09-05"
    dc:subject=""
    dc:relation="http://rs.tdwg.org/dwc/terms/index.htm#measureindex"
    dc:description="Support for generic measurements or facts, extended version linking to occurrences.
    This extension (eMoF) was developed to be used in combination with the Event Core, but is also compatible with other cores. When used with Event Core it allows to create an additional link between the eMoF and the occurrence extension. The eMoF can store measurements or facts related to a biological occurrence, environmental measurements or facts and sampling method attributes. This extension also provides the option to provide identifiers to reference a vocabulary for the measurementType, measurementValue and measurementUnit fields.">

    <property name='measurementID' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementID' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementID' dc:description='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.' examples='' required='false'/>
    <property name='occurrenceID' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/occurrenceID' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#occurrenceID' dc:description='The identifier of the occurrence the measurement or fact refers to. If not applicable, it should be left empty.' examples=''  required='false'/>
    <property name='measurementType' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementType' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementType' dc:description='The nature of the measurement, fact, characteristic, or assertion. Recommended best practice is to use a controlled vocabulary.' examples='"tail length", "temperature", "trap line length", "survey area", "trap type", "Dry weight biomass", "Sampling instrument name"  ' required='false'/>
    <property name='measurementTypeID' namespace='http://rs.iobis.org/obis/terms/' qualName='http://rs.iobis.org/obis/terms/measurementTypeID' dc:relation='' dc:description='An identifier for the measurementType (global unique identifier, URI). The identifier should reference the measurementType in a vocabulary.' examples='"http://vocab.nerc.ac.uk/collection/P01/current/ODRYBM01/"' required='false'/>
    <property name='measurementValue' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementValue' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementValue' dc:description='The value of the measurement, fact, characteristic, or assertion.' examples='"45", "20", "1", "14.5", "UV-light", "Van Veen grab"' required='false'/>
    <property name='measurementValueID' namespace='http://rs.iobis.org/obis/terms/' qualName='http://rs.iobis.org/obis/terms/measurementValueID' dc:relation='' dc:description='An identifier for facts stored in the column measurementValue (global unique identifier, URI). This identifier can reference a controlled vocabulary (e.g. for sampling instrument names, methodologies, life stages) or reference a methodology paper with a DOI. When the measurementValue refers to a value and not to a fact, the measurementvalueID has no meaning and should remain empty.' examples='"http://vocab.nerc.ac.uk/collection/L22/current/TOOL0653/", "http://vocab.nerc.ac.uk/collection/B07/current/NDT023/", "http://vocab.nerc.ac.uk/collection/S11/current/S1116/"' required='false'/>
    <property name='measurementAccuracy' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementAccuracy' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementAccuracy' dc:description='The description of the potential error associated with the measurementValue.' examples='"0.01", "normal distribution with variation of 2 m"' required='false'/>
    <property name='measurementUnit' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementUnit' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementUnit' dc:description='The units associated with the measurementValue. Recommended best practice is to use the International System of Units (SI).' examples='"mm", "C", "km", "ha"' required='false'/>
    <property name='measurementUnitID' namespace='http://rs.iobis.org/obis/terms/' qualName='http://rs.iobis.org/obis/terms/measurementUnitID' dc:relation='' dc:description='An identifier for the measurementUnit (global unique identifier, URI). The identifier should reference the measurementUnit in a vocabulary.' examples='"http://vocab.nerc.ac.uk/collection/P06/current/UMSQ/", “http://vocab.nerc.ac.uk/collection/P06/current/UCPL/”, “http://vocab.nerc.ac.uk/collection/P06/current/CMCM/”' required='false'/>
    <property name='measurementDeterminedDate' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementDeterminedDate' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementDeterminedDate' dc:description='The date on which the MeasurementOrFact was made. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E).' examples='"1963-03-08T14:07-0600", "2009-02-20T08:40Z", "1809-02-12", "1906-06", "1971", "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z", "2007-11-13/15"' required='false'/>
    <property name='measurementDeterminedBy' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementDeterminedBy' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementDeterminedBy' dc:description='A list (concatenated and separated) of names of people, groups, or organizations who determined the value of the MeasurementOrFact.' examples='"Javier de la Torre", "Julie Woodruff; Eileen Lacey"' required='false'/>
    <property name='measurementMethod' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementMethod' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementMethod' dc:description='A description of or reference to (publication, URI) the method or protocol used to determine the measurement, fact, characteristic, or assertion.' examples='"minimum convex polygon around burrow entrances" for a home range area, "barometric altimeter" for an elevation' required='false'/>
    <property name='measurementRemarks' namespace='http://rs.tdwg.org/dwc/terms/' qualName='http://rs.tdwg.org/dwc/terms/measurementRemarks' dc:relation='http://rs.tdwg.org/dwc/terms/index.htm#measurementRemarks' dc:description='Comments or notes accompanying the MeasurementOrFact.' examples='tip of tail missing' required='false'/>

</extension>
