<ddi:DDIInstance xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:instance:3_3 http://ddialliance.org/Specification/DDI-Lifecycle/3.3/XMLSchema/instance.xsd" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:ddi="ddi:instance:3_3" xmlns:r="ddi:reusable:3_3" xmlns:s="ddi:studyunit:3_3" xmlns:d="ddi:datacollection:3_3" xmlns:a="ddi:archive:3_3" xmlns:c="ddi:conceptualcomponent:3_3" xmlns:cm="ddi:comparative:3_3" xmlns:g="ddi:group:3_3" xmlns:l="ddi:logicalproduct:3_3" xmlns:p="ddi:physicaldataproduct:3_3" xmlns:pi="ddi:physicalinstance:3_3" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xml="http://www.w3.org/XML/1998/namespace" isMaintainable="true" scopeOfUniqueness="Agency">
  <r:URN>urn:ddi:se.researchdata:2024-157:1</r:URN>
  <r:Agency>SND</r:Agency>
  <r:ID>2024-157</r:ID>
  <r:Version>1</r:Version>
  <g:ResourcePackage>
    <r:URN>urn:ddi:se.researchdata:2024-157.ResourcePackage:2.0</r:URN>
    <r:OtherMaterialScheme>
      <r:URN>urn:ddi:se.researchdata:2024-157.OtherMaterialScheme:2.0</r:URN>
    </r:OtherMaterialScheme>
    <a:OrganizationScheme>
      <r:URN>urn:ddi:se.researchdata:2024-157.OrganizationScheme-0:2.0</r:URN>
      <a:Individual>
        <r:URN>urn:ddi:se.researchdata:2024-157.Individual-0:2.0</r:URN>
        <r:UserAttributePair>
          <r:AttributeKey>affiliation</r:AttributeKey>
          <r:AttributeValue>Department of Biological &amp; Environmental Sciences, University of Gothenburg</r:AttributeValue>
        </r:UserAttributePair>
        <a:IndividualIdentification>
          <a:IndividualName>
            <a:FirstGiven>Håkan</a:FirstGiven>
            <a:LastFamily>Pleijel</a:LastFamily>
            <a:FullName>
              <r:String>Håkan Pleijel</r:String>
            </a:FullName>
          </a:IndividualName>
          <a:ResearcherID>
            <a:TypeOfID>ORCID</a:TypeOfID>
            <a:ResearcherIdentification>0000-0002-6975-5984</a:ResearcherIdentification>
          </a:ResearcherID>
        </a:IndividualIdentification>
      </a:Individual>
    </a:OrganizationScheme>
  </g:ResourcePackage>
  <s:StudyUnit>
    <r:URN>urn:ddi:se.researchdata:2024-157.StudyUnit:2.0</r:URN>
    <r:UserID typeOfUserID="datasetIdentifier">2024-157</r:UserID>
    <r:Citation>
      <r:Title>
        <r:String xml:lang="sv">Halter av kvicksilver i barr och blad av olika ålder</r:String>
        <r:String xml:lang="en">Concentrations of mercury in needles and leaves of different age</r:String>
      </r:Title>
      <r:Creator>
        <r:CreatorReference>
          <r:URN>urn:ddi:se.researchdata:2024-157.Individual-0:2.0</r:URN>
          <r:TypeOfObject>Individual</r:TypeOfObject>
        </r:CreatorReference>
      </r:Creator>
      <r:Publisher>
        <r:PublisherName>
          <r:String xml:lang="sv">Göteborgs universitet</r:String>
          <r:String xml:lang="en">University of Gothenburg</r:String>
        </r:PublisherName>
      </r:Publisher>
      <r:Publisher>
        <r:PublisherName>
          <r:String xml:lang="sv">Göteborgs universitet</r:String>
          <r:String xml:lang="en">University of Gothenburg</r:String>
        </r:PublisherName>
      </r:Publisher>
      <r:PublicationDate>
        <r:SimpleDate>2025-01-07</r:SimpleDate>
      </r:PublicationDate>
      <r:InternationalIdentifier>
        <r:IdentifierContent>10.5878/f1qk-px15</r:IdentifierContent>
        <r:ManagingAgency controlledVocabularyAgencyName="DOI">DOI</r:ManagingAgency>
      </r:InternationalIdentifier>
    </r:Citation>
    <r:Abstract>
      <r:Content xml:lang="sv">Filen innehåller data om koncentrationer av kvicksilver i olika gamla barr och blad av fyra städsegröna arter: nio barrårgångar för Picea abies, fjorton barrårgångar för Abies pinsapo var. marocana, tre bladårgångar vardera för Trochodendron aralioides och Rhododendron catawbiense. För de båda barrträden finns även data rörande kvicksilverkoncentrationen i de grensegment på vilka de olika barrårgångarna satt. Observationerna är gjorda i Göteborg.</r:Content>
      <r:Content xml:lang="en">The file contains data on concentrations of mercury in differently aged needles and leaves of four evergreen species: nine needle age classes for Picea abies, fourteen needle age classes for Abies pinsapo var. marocana, and three leaf age classes for both Trochodendron aralioides and Rhododendron catawbiense. For the two conifers, mercury concentrations are also given for the branch segments to which the different needle age classes were attached. The observations were made in Gothenburg, Sweden.</r:Content>
    </r:Abstract>
    <r:Coverage>
      <r:TopicalCoverage>
        <r:URN>urn:ddi:se.researchdata:2024-157.TopicalCoverage:2.0</r:URN>
        <r:Subject xml:lang="en" controlledVocabularyID="10506" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Geochemistry</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="10506" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Geokemi</r:Subject>
        <r:Subject xml:lang="en" controlledVocabularyID="10607" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Botany</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="10607" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Botanik</r:Subject>
        <r:Keyword xml:lang="en" controlledVocabularyID="22155" controlledVocabularyName="EnvThes">leaf age</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="p23872" controlledVocabularyName="YSO">evergreen plants</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="p23872" controlledVocabularyName="YSO">ständigt gröna växter</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="p14522" controlledVocabularyName="YSO">conifers</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="p14522" controlledVocabularyName="YSO">barrträd</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="p9346" controlledVocabularyName="YSO">needles (parts of plants)</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="p9346" controlledVocabularyName="YSO">barr</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="p1971" controlledVocabularyName="YSO">accumulation</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="p1971" controlledVocabularyName="YSO">ackumulation</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="p14245" controlledVocabularyName="YSO">mercury</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="p14245" controlledVocabularyName="YSO">kvicksilver</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="p1756" controlledVocabularyName="YSO">vegetation</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="p1756" controlledVocabularyName="YSO">vegetation</r:Keyword>
      </r:TopicalCoverage>
      <r:SpatialCoverage>
        <r:URN>urn:ddi:se.researchdata:2024-157.SpatialCoverage:2.0</r:URN>
        <r:Description>
          <r:Content xml:lang="en">Botanical garden of Gothenburg with adjacent arboretum</r:Content>
        </r:Description>
        <r:CountryCode>SE</r:CountryCode>
      </r:SpatialCoverage>
      <r:TemporalCoverage>
        <r:URN>urn:ddi:se.researchdata:2024-157.TemporalCoverage:2.0</r:URN>
        <r:ReferenceDate>
          <r:StartDate>2020-01-01</r:StartDate>
          <r:EndDate>2020-12-31</r:EndDate>
        </r:ReferenceDate>
      </r:TemporalCoverage>
    </r:Coverage>
    <d:DataCollection>
      <r:URN>urn:ddi:se.researchdata:2024-157.DataCollection:2.0</r:URN>
      <d:CollectionEvent>
        <r:URN>urn:ddi:se.researchdata:2024-157.CollectionEvent:2.0</r:URN>
        <d:DataCollectorOrganizationReference>
          <r:URN>urn:ddi:se.researchdata:2024-157.Organization-0:2.0</r:URN>
          <d:ID />
          <d:Version />
          <d:TypeOfObject>Organization</d:TypeOfObject>
        </d:DataCollectorOrganizationReference>
        <d:DataCollectionDate>
          <r:StartDate>2020-09-21</r:StartDate>
          <r:EndDate>2020-09-22</r:EndDate>
        </d:DataCollectionDate>
        <d:ModeOfCollection>
          <r:URN>urn:ddi:se.researchdata:2024-157.CollectionEvent-0-ModeOfCollectionType:2.0</r:URN>
          <d:TypeOfModeOfCollection>Measurements and tests</d:TypeOfModeOfCollection>
          <r:Description>
            <r:Content xml:lang="en">Measurements and tests</r:Content>
            <r:Content xml:lang="sv">Mätningar och tester</r:Content>
          </r:Description>
        </d:ModeOfCollection>
      </d:CollectionEvent>
    </d:DataCollection>
    <a:Archive>
      <r:URN>urn:ddi:se.researchdata:2024-157.Archive:2.0</r:URN>
      <a:ArchiveSpecific>
        <a:Item>
          <a:Access>
            <r:URN>urn:ddi:se.researchdata:2024-157.Archive-ArchiveSpecificType-AccessType:2.0</r:URN>
            <a:TypeOfAccess controlledVocabularyName="info:eu-repo-Access-Terms vocabulary">openAccess</a:TypeOfAccess>
          </a:Access>
          <a:DataFileQuantity>2</a:DataFileQuantity>
        </a:Item>
      </a:ArchiveSpecific>
    </a:Archive>
  </s:StudyUnit>
</ddi:DDIInstance>