<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:2025-255:1</r:URN>
  <r:Agency>SND</r:Agency>
  <r:ID>2025-255</r:ID>
  <r:Version>1</r:Version>
  <g:ResourcePackage>
    <r:URN>urn:ddi:se.researchdata:2025-255.ResourcePackage:2.0</r:URN>
    <r:OtherMaterialScheme>
      <r:URN>urn:ddi:se.researchdata:2025-255.OtherMaterialScheme:2.0</r:URN>
    </r:OtherMaterialScheme>
    <a:OrganizationScheme>
      <r:URN>urn:ddi:se.researchdata:2025-255.OrganizationScheme-0:2.0</r:URN>
      <a:Individual>
        <r:URN>urn:ddi:se.researchdata:2025-255.Individual-0:2.0</r:URN>
        <r:UserAttributePair>
          <r:AttributeKey>affiliation</r:AttributeKey>
          <r:AttributeValue>Department of Ecology, Swedish University of Agricultural Sciences</r:AttributeValue>
        </r:UserAttributePair>
        <a:IndividualIdentification>
          <a:IndividualName>
            <a:FirstGiven>Ola</a:FirstGiven>
            <a:LastFamily>Lundin</a:LastFamily>
            <a:FullName>
              <r:String>Ola Lundin</r:String>
            </a:FullName>
          </a:IndividualName>
          <a:ResearcherID>
            <a:TypeOfID>ORCID</a:TypeOfID>
            <a:ResearcherIdentification>0000-0002-5948-0761</a:ResearcherIdentification>
          </a:ResearcherID>
        </a:IndividualIdentification>
      </a:Individual>
      <a:Individual>
        <r:URN>urn:ddi:se.researchdata:2025-255.Individual-0:2.0</r:URN>
        <r:UserAttributePair>
          <r:AttributeKey>affiliation</r:AttributeKey>
          <r:AttributeValue>Department of Ecology, Swedish University of Agricultural Sciences</r:AttributeValue>
        </r:UserAttributePair>
        <a:IndividualIdentification>
          <a:IndividualName>
            <a:FirstGiven>Fabian</a:FirstGiven>
            <a:LastFamily>Boetzl</a:LastFamily>
            <a:FullName>
              <r:String>Fabian Boetzl</r:String>
            </a:FullName>
          </a:IndividualName>
          <a:ResearcherID>
            <a:TypeOfID>ORCID</a:TypeOfID>
            <a:ResearcherIdentification>0000-0001-5121-3370</a:ResearcherIdentification>
          </a:ResearcherID>
        </a:IndividualIdentification>
      </a:Individual>
    </a:OrganizationScheme>
  </g:ResourcePackage>
  <s:StudyUnit>
    <r:URN>urn:ddi:se.researchdata:2025-255.StudyUnit:2.0</r:URN>
    <r:UserID typeOfUserID="datasetIdentifier">2025-255</r:UserID>
    <r:UserID typeOfUserID="principalRegistrationNumber">SLU.ekol.2025.4.2.IÄ-6</r:UserID>
    <r:Citation>
      <r:Title>
        <r:String xml:lang="sv">Data för: Landscape-scale drivers of insect pest regulation in sugar beet</r:String>
        <r:String xml:lang="en">Data for: Landscape-scale drivers of insect pest regulation in sugar beet</r:String>
      </r:Title>
      <r:Creator>
        <r:CreatorReference>
          <r:URN>urn:ddi:se.researchdata:2025-255.Individual-0:2.0</r:URN>
          <r:TypeOfObject>Individual</r:TypeOfObject>
        </r:CreatorReference>
      </r:Creator>
      <r:Publisher>
        <r:PublisherName>
          <r:String xml:lang="sv">Sveriges lantbruksuniversitet</r:String>
          <r:String xml:lang="en">Swedish University of Agricultural Sciences</r:String>
        </r:PublisherName>
      </r:Publisher>
      <r:Publisher>
        <r:PublisherName>
          <r:String xml:lang="sv">Sveriges lantbruksuniversitet</r:String>
          <r:String xml:lang="en">Swedish University of Agricultural Sciences</r:String>
        </r:PublisherName>
      </r:Publisher>
      <r:PublicationDate>
        <r:SimpleDate>2025-10-06</r:SimpleDate>
      </r:PublicationDate>
      <r:InternationalIdentifier>
        <r:IdentifierContent>10.5878/r2ak-sf73</r:IdentifierContent>
        <r:ManagingAgency controlledVocabularyAgencyName="DOI">DOI</r:ManagingAgency>
      </r:InternationalIdentifier>
    </r:Citation>
    <r:Abstract>
      <r:Content xml:lang="sv">Vi studerade effekterna av olika landskapsparametrar på tre rumsliga skalor på tätheten av och skadorna orsakade av fem viktiga skadeinsekter på sockerbetor i 134 sockerbetsfält som övervakades under fem år i Danmark och Sverige. De landskapsparametrar som undersöktes omfattade täckningen av odlingsmark som ett mått på landskapsförenkling, den absoluta förändringen mellan åren i täckningen av värdväxter (sockerbetor), mångfalden av odlade grödor på landskapsnivå under föregående år och kanttätheten i de omgivande landskapen. Skadedjuren övervakades i ett standardiserat övervakningssystem med en observationsruta i varje fält, och respektive värden representerar de maximala observerade tätheterna eller skadorna i ekonomiskt relevanta utvecklingsstadier. Skadedjurstätheter och skador registrerades i fem kluster om fem slumpmässigt utvalda växter inom observationsrutor, med undantag för rutornas kanter och traktorspår. 

Landskapsparametrarna hämtades från de officiella markanvändningskartorna som tillhandahålls av det danska jordbruksverket (Landbrugsstyrelsen, 2024. Internet Markkort (IMK). Ministeriet for Fødevarer, Landbrug og Fiskeri, København) och Jordbruksverket (Jordbruksverket, 2024. Kartor och Geografiska informationssystem - Årslager skiftesdata. Jordbruksverket) vid tre buffertradier (500 m, 1000 m och 2000 m) runt centrum av observationsområdena. För ytterligare information, se metoderna i publikationen Boetzl et al.  (2025) Landscape-scale drivers of insect pest regulation in sugar beet. Agriculture, Ecosystems and Environment. 

Filen ”sugarbeet_pests_data.csv” innehåller information om förekomsten av och skador orsakade av fem viktiga skadedjur på sockerbetor (svart bönbladlus, lilla betbaggen, jordloppor, betflugor och trips) i respektive ekonomiskt relevanta tillväxtstadier för sockerbetor, registrerade på 134 fält (”ID”) i Danmark och Sverige, samt landskapsparametrar i landskapet kring dessa fält på tre rumsliga skalor (500 m, 1000 m och 2000 m). 135 rader. ”NA” anger saknade värden.

SLU har lett analys av data och publicering av den vetenskaplig artikeln. Nordic Beet Research har koordinerat insamling av data. Köpenhamns universitet har bidragit till tolkning av data.</r:Content>
      <r:Content xml:lang="en">We studied the effects of different landscape parameters at three spatial scales on the densities of and damage caused by five major insect pests of sugar beet in 134 sugar beet fields monitored across five years in Denmark and Sweden. The landscape parameters investigated include the cover of cropland as measure of landscape simplification, the absolute inter-annual change in host crop cover (sugar beet), the landscape-level crop diversity in the previous year and the edge-density in the surrounding landscapes. The pests were monitored in a standardised monitoring scheme with one observation plot in each field and the respective values represent the maximum observed densities or damage at economically relevant development stages (see detailed description below). Pest densities and damage were recorded in five clusters of five plants selected at random within the observation plot avoiding plot edges and tractor tracks. 

Landscape parameters were extracted from the official land-use maps provided by the Danish Agricultural Agency (Landbrugsstyrelsen, 2024. Internet Markkort (IMK). Ministeriet for Fødevarer, Landbrug og Fiskeri, København) and the Swedish Board of Agriculture (Jordbruksverket, 2024. Kartor och Geografiska informationssystem - Årslager skiftesdata. Jordbruksverket) at three buffer radii (500 m, 1000 m and 2000 m) around the centre of the observation plots. For further information, see methods in the publication Boetzl et al. (2026) Landscape-scale drivers of insect pest regulation in sugar beet. Agriculture, Ecosystems and Environment. 

The data in the 'sugarbeet_pests_data.csv' file have information on the prevalence and damage caused by five major sugar beet pests (black bean aphid, pygmy mangold beetle, flea beetles, beet leafminers and thrips) at the respective economically relevant sugar beet growth stages recorded in 134 fields ('ID') in Denmark and Sweden as well as landscape parameters in the landscapes surrounding these fields at three spatial scales (500 m, 1000 m and 2000 m). 135 rows. 'NA' indicates missing values.

SLU has led data analysis and publication of the scientific article. Nordic Beet Research has coordinated data collection. University of Copenhagen has contributed to data interpretation.</r:Content>
    </r:Abstract>
    <r:Coverage>
      <r:TopicalCoverage>
        <r:URN>urn:ddi:se.researchdata:2025-255.TopicalCoverage:2.0</r:URN>
        <r:Subject xml:lang="en" controlledVocabularyID="10611" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Ecology</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="10611" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Ekologi</r:Subject>
        <r:Subject xml:lang="en" controlledVocabularyID="40101" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Agricultural Science</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="40101" controlledVocabularyName="Standard för svensk indelning av forskningsämnen 2025">Jordbruksvetenskap</r:Subject>
        <r:Subject xml:lang="en" controlledVocabularyID="farming" controlledVocabularyName="INSPIRE topic categories">Farming</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="farming" controlledVocabularyName="INSPIRE topic categories">Areella näringar</r:Subject>
        <r:Subject xml:lang="en" controlledVocabularyID="biota" controlledVocabularyName="INSPIRE topic categories">Biota</r:Subject>
        <r:Subject xml:lang="sv" controlledVocabularyID="biota" controlledVocabularyName="INSPIRE topic categories">Biologi och ekologi</r:Subject>
        <r:Keyword xml:lang="en" controlledVocabularyID="1874" controlledVocabularyName="GEMET">crop protection</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="1874" controlledVocabularyName="GEMET">växtskydd</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="4657" controlledVocabularyName="GEMET">landscape ecology</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="4657" controlledVocabularyName="GEMET">landskapsekologi</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="20684" controlledVocabularyName="EnvThes">sugarbeet</r:Keyword>
        <r:Keyword xml:lang="en" controlledVocabularyID="sd" controlledVocabularyName="INSPIRE Spatial Data Themes">Species distribution</r:Keyword>
        <r:Keyword xml:lang="sv" controlledVocabularyID="sd" controlledVocabularyName="INSPIRE Spatial Data Themes">Arters utbredning</r:Keyword>
      </r:TopicalCoverage>
      <r:SpatialCoverage>
        <r:URN>urn:ddi:se.researchdata:2025-255.SpatialCoverage:2.0</r:URN>
        <r:Description>
          <r:Content xml:lang="en">Zealand, Lolland, Falster and Møn in Danmark and Scania in Sweden.</r:Content>
        </r:Description>
        <r:CountryCode>SE</r:CountryCode>
        <r:CountryCode>DK</r:CountryCode>
      </r:SpatialCoverage>
      <r:TemporalCoverage>
        <r:URN>urn:ddi:se.researchdata:2025-255.TemporalCoverage:2.0</r:URN>
        <r:ReferenceDate>
          <r:StartDate>2019-01-01</r:StartDate>
          <r:EndDate>2023-12-31</r:EndDate>
        </r:ReferenceDate>
      </r:TemporalCoverage>
    </r:Coverage>
    <r:AnalysisUnit controlledVocabularyID="AnalysisUnit" controlledVocabularyAgencyName="DDI Alliance">Other<r:ControlledVocabularyURN>http://rdf-vocabulary.ddialliance.org/cv/AnalysisUnit/2.1.3/6311ae1</r:ControlledVocabularyURN></r:AnalysisUnit>
    <r:AnalysisUnitsCovered>
      <r:String xml:lang="en">Other</r:String>
      <r:String xml:lang="sv">Övrigt</r:String>
    </r:AnalysisUnitsCovered>
    <d:DataCollection>
      <r:URN>urn:ddi:se.researchdata:2025-255.DataCollection:2.0</r:URN>
      <d:CollectionEvent>
        <r:URN>urn:ddi:se.researchdata:2025-255.CollectionEvent:2.0</r:URN>
        <d:DataCollectorOrganizationReference>
          <r:URN>urn:ddi:se.researchdata:2025-255.Organization-0:2.0</r:URN>
          <d:ID />
          <d:Version />
          <d:TypeOfObject>Organization</d:TypeOfObject>
        </d:DataCollectorOrganizationReference>
        <d:DataCollectionDate>
          <r:StartDate>2019-01-01</r:StartDate>
          <r:EndDate>2023-12-31</r:EndDate>
        </d:DataCollectionDate>
        <d:ModeOfCollection>
          <r:URN>urn:ddi:se.researchdata:2025-255.CollectionEvent-0-ModeOfCollectionType:2.0</r:URN>
          <d:TypeOfModeOfCollection>Field observation</d:TypeOfModeOfCollection>
          <r:Description>
            <r:Content xml:lang="en">Field observation</r:Content>
            <r:Content xml:lang="sv">Fältobservation</r:Content>
          </r:Description>
        </d:ModeOfCollection>
      </d:CollectionEvent>
    </d:DataCollection>
    <a:Archive>
      <r:URN>urn:ddi:se.researchdata:2025-255.Archive:2.0</r:URN>
      <a:ArchiveSpecific>
        <a:Item>
          <a:Access>
            <r:URN>urn:ddi:se.researchdata:2025-255.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>