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        <titl xml:lang="sv">Data för: Landscape-scale drivers of insect pest regulation in sugar beet</titl>
        <parTitl xml:lang="en">Data for: Landscape-scale drivers of insect pest regulation in sugar beet</parTitl>
        <IDNo agency="SND">2025-255-1</IDNo>
        <IDNo agency="slu.se">SLU.ekol.2025.4.2.IÄ-6</IDNo>
        <IDNo agency="DOI">https://doi.org/10.5878/r2ak-sf73</IDNo>
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    <citation>
      <titlStmt>
        <titl xml:lang="sv">Data för: Landscape-scale drivers of insect pest regulation in sugar beet</titl>
        <parTitl xml:lang="en">Data for: Landscape-scale drivers of insect pest regulation in sugar beet</parTitl>
        <IDNo agency="SND">2025-255-1</IDNo>
        <IDNo agency="slu.se">SLU.ekol.2025.4.2.IÄ-6</IDNo>
        <IDNo agency="DOI">https://doi.org/10.5878/r2ak-sf73</IDNo>
        <IDNo agency="DOI">10.1016/j.agee.2025.109999</IDNo>
      </titlStmt>
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        <AuthEnty xml:lang="en" affiliation="Department of Ecology, Swedish University of Agricultural Sciences">Lundin, Ola</AuthEnty>
        <AuthEnty xml:lang="sv" affiliation="Institutionen för ekologi, Sveriges lantbruksuniversitet">Lundin, Ola</AuthEnty>
        <AuthEnty xml:lang="en" affiliation="Department of Ecology, Swedish University of Agricultural Sciences">Boetzl, Fabian</AuthEnty>
        <AuthEnty xml:lang="sv" affiliation="Institutionen för ekologi, Sveriges lantbruksuniversitet">Boetzl, Fabian</AuthEnty>
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        <distrbtr xml:lang="en" abbr="SND" URI="https://snd.se">Swedish National Data Service</distrbtr>
        <distrbtr xml:lang="sv" abbr="SND" URI="https://snd.se">Svensk nationell datatjänst</distrbtr>
        <distDate xml:lang="en" date="2025-10-06" />
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      <holdings URI="https://doi.org/10.5878/r2ak-sf73">Landing page</holdings>
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    <stdyInfo>
      <subject>
        <keyword xml:lang="en" vocab="GEMET" vocabURI="http://www.eionet.europa.eu/gemet/concept/1874">crop protection</keyword>
        <keyword xml:lang="sv" vocab="GEMET" vocabURI="http://www.eionet.europa.eu/gemet/concept/1874">växtskydd</keyword>
        <keyword xml:lang="en" vocab="GEMET" vocabURI="http://www.eionet.europa.eu/gemet/concept/4657">landscape ecology</keyword>
        <keyword xml:lang="sv" vocab="GEMET" vocabURI="http://www.eionet.europa.eu/gemet/concept/4657">landskapsekologi</keyword>
        <keyword xml:lang="en" vocab="EnvThes" vocabURI="http://vocabs.lter-europe.net/EnvThes/20684">sugarbeet</keyword>
        <keyword xml:lang="en" vocab="INSPIRE Spatial Data Themes" vocabURI="http://inspire.ec.europa.eu/theme/sd">Species distribution</keyword>
        <keyword xml:lang="sv" vocab="INSPIRE Spatial Data Themes" vocabURI="http://inspire.ec.europa.eu/theme/sd">Arters utbredning</keyword>
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      </subject>
      <abstract xml:lang="en" contentType="abstract">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.</abstract>
      <abstract xml:lang="sv" contentType="abstract">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.</abstract>
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        <collDate xml:lang="en" date="2019-01-01" event="start">2019-01-01</collDate>
        <collDate xml:lang="en" date="2023-12-31" event="end">2023-12-31</collDate>
        <nation xml:lang="en" abbr="SE">Sweden</nation>
        <nation xml:lang="sv" abbr="SE">Sverige</nation>
        <nation xml:lang="en" abbr="DK">Denmark</nation>
        <nation xml:lang="sv" abbr="DK">Danmark</nation>
        <anlyUnit xml:lang="en" unit="Other">Other<concept vocab="DDI Analysis Unit" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/AnalysisUnit/2.1.3?languageVersion=en-2.1.3">Other</concept></anlyUnit>
        <anlyUnit xml:lang="sv" unit="Övrigt">Övrigt<concept vocab="DDI Analysis Unit" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/AnalysisUnit/2.1.3?languageVersion=sv-2.1.3">Övrigt</concept></anlyUnit>
        <universe xml:lang="en">134 sugar beet fields</universe>
        <universe xml:lang="sv">134 sockerbetsfält</universe>
        <dataKind xml:lang="en">Numeric</dataKind>
        <dataKind xml:lang="en">Text</dataKind>
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        <sampProc xml:lang="en">Fields have been selected annually to cover the cultivation area. The selection of fields depends on the landowner granting permission for the survey.<concept vocab="DDI Sampling Procedure" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/2.0.1?languageVersion=en-2.0.1">Fields have been selected annually to cover the cultivation area. The selection of fields depends on the landowner granting permission for the survey.</concept></sampProc>
        <sampProc xml:lang="sv">Fält har valts årligen för att täcka odlingsområdet. Val av fält är beroende på att markägaren ger tillstånd till undersökningen.<concept vocab="DDI Sampling Procedure" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/2.0.1?languageVersion=sv-2.0.1">Fält har valts årligen för att täcka odlingsområdet. Val av fält är beroende på att markägaren ger tillstånd till undersökningen.</concept></sampProc>
        <sampProc xml:lang="en">Non-probability<concept vocab="DDI Sampling Procedure" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/2.0.1?languageVersion=en-2.0.1">Non-probability</concept></sampProc>
        <sampProc xml:lang="sv">Icke-sannolikhetsurval<concept vocab="DDI Sampling Procedure" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/2.0.1?languageVersion=sv-2.0.1">Icke-sannolikhetsurval</concept></sampProc>
        <collMode xml:lang="en">Observations of number of insects and/or crop damage to sugar beet plants<concept vocab="DDI Mode of Collection" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=en-5.0.0">Observations of number of insects and/or crop damage to sugar beet plants</concept></collMode>
        <collMode xml:lang="sv">Observationer av antal insekter och/eller skador på sockerbetsplantor<concept vocab="DDI Mode of Collection" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=sv-5.0.0">Observationer av antal insekter och/eller skador på sockerbetsplantor</concept></collMode>
        <collMode xml:lang="en">Field observation<concept vocab="DDI Mode of Collection" vocabURI="https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=en-5.0.0">Field observation</concept></collMode>
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        <restrctn xml:lang="en">Access to data through SND. Data are freely accessible.</restrctn>
        <restrctn xml:lang="sv">Åtkomst till data via SND. Data är fritt tillgängliga.</restrctn>
        <conditions elementVersion="info:eu-repo-Access-Terms vocabulary">openAccess</conditions>
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        <citation>
          <titlStmt>
            <titl xml:lang="sv">Boetzl, F.A., Jachowicz, N., Hansen, A.L., Lundin, O. 2026. Landscape-scale drivers of insect pest regulation in sugar beet. Agriculture, Ecosystems and Environment. In press.</titl>
            <parTitl xml:lang="en">Boetzl, F.A., Jachowicz, N., Hansen, A.L., Lundin, O. 2026. Landscape-scale drivers of insect pest regulation in sugar beet. Agriculture, Ecosystems and Environment. In press.</parTitl>
            <IDNo agency="DOI">10.1016/j.agee.2025.109999</IDNo>
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            <distDate date="2026">2026</distDate>
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