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  • Macrosiphum euphorbiae  (2)
  • AGGO; Argentina; Argentinean–German Geodetic Observatory; Monitoring station; MONS  (1)
  • Berlin  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Effect ofSolanum Glycoalkaloids on Potato Aphid,Macrosiphum euphorbiae (1997)
    Springer
    Journal of chemical ecology 23 (1997), S. 1651-1659 
    Details
    ISSN: 1573-1561
    Keywords: Macrosiphum euphorbiae ; Homoptera (Aphididae) ; Solanum tuberosum ; Solanaceae ; potato ; α-chaconine ; α-solanine ; α-tomatine ; solanidine ; tomatidine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Macrosiphum euphorbiae, also known as the potato aphid, is a potato virus vector, associated with decreased tuber production. Feeding, toxicity, and reproductive effects of the major potato glycoalkaloids (α-chaconine and α-solanine), their common aglycone (solanidine), and a nonpotato glycoalkaloid (α-tomatine) and its aglycone (tomatidine) onM. euphorbiae were studied. As expected, neither α-chaconine nor α-solanine had a strong lethal effect on the aphid, but α-chaconine stimulated feeding at low concentrations. Both aglycones were deterrent and lethal at high concentrations and, like α-chaconine and α-tomatine, they delayed the appearance and decreased the number of nymphs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:JOEC.0000006429.14373.91
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Effect of Solanum Glycoalkaloids on Potato Aphid, Macrosiphum euphorbiae: Part II (2000)
    Springer
    Journal of chemical ecology 26 (2000), S. 1113-1121 
    Details
    ISSN: 1573-1561
    Keywords: Macrosiphum euphorbiae ; potato aphid ; Homoptera ; Aphididae ; Solanaceae ; glycoalkaloids ; bioassay ; commersonine ; demissine ; solamargine ; solasodine ; solasonine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract We report the deterrent, toxic, and antireproductive effect of several Solanum glycoalkaloids on the potato aphid, Macrosiphum euphorbiae, and discuss the structure–activity relationship of the tested compounds. The results indicate a structure-dependent biological effect of the glycoalkaloids, suggesting that, while the structure of the aglycone defines a basal biological effect, the carbohydrate moiety is crucial for the overall biological effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005471624833
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    Paper (German National Licenses)
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  • 3
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    Unknown
    Surface air temperature measured at the Argentinean–German Geodetic Observatory (AGGO), 2018-2021 (2023)
    PANGAEA
    Details
    Publication Date: 2023-09-09
    Description: Surface air temperature measurements obtained from different sensors are used to construct a unique time series with one minute time-interval. Apart from differences in design and environmental exposition, periods of missing data also exist in the data series of each sensor. A primary data set was selected in terms of quality and temporal extension. A combination of two different techniques is applied to complete this data set: one is based on the autocorrelation of the series and the other on measurements taken from other sensors. The resulting values constitute a complete series of surface air temperature at AGGO.
    Keywords: AGGO; Argentina; Argentinean–German Geodetic Observatory; Monitoring station; MONS
    Type: Dataset
    Format: application/zip, 4 datasets
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    DATA PANGAEA
  • 4
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    Soziale Stadtpolitik (2021)
    transcript Verlag
    Details
    Publication Date: 2024-04-06
    Description: Seit den späten 1980er Jahren hat sich in Europa ein Planungsansatz etabliert, der mit quartiersbezogenen Strategien versucht, der sozialräumlichen Segregation in den Großstädten entgegenzuwirken. Die Studie rekonstruiert die Entwicklung dieser Politik von frühen Diskursen bis hin zu politischen Beschlüssen und der Umsetzung in Förderprogrammen und Projekten. Sie zeigt, wie es im Politikprozess zu der jeweiligen Kopplung von Problemdeutung und Instrumentierung kam. Als Beispiele werden die EU-Gemeinschaftsinitiativen URBAN I und II, das Bund-Länder-Programm "Soziale Stadt" und die "Sozialorientierte Stadtentwicklung" in Berlin betrachtet.
    Keywords: Political Science ; Politics ; Urbanity ; Urban Planning ; Local Affairs ; Policy ; Urban Studies ; Political Science ; Berlin ; Europäische Kommission ; Quartiersmanagement ; Senat von Berlin ; Soziale Stadt ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RP Regional and area planning::RPC Urban and municipal planning and policy
    Language: German
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    E-BOOK
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