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  • 1
    facet.materialart.
    Unknown
    München : Droemer Knaur | Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Publication Date: 2018-11-19
    Description: Die Botschaft von Faktor Vier ist neu, einfach und aufregend: neu, weil sie nichts Geringeres ankündigt als eine neue Richtung des technischen Fortschritts, einfach, weil sie dafür eine einfache Formel anbietet, und aufregend, weil sie Profite verspricht. Es geht darum, weniger Natur zu verbrauchen und mit dem Wenigen wirksamer zu arbieten. Wir müssen eine Effizienzrevolution in Gang setzen, die dazu führt, daß wir trotz halbierter Naturnutzung den verteilbaren Wohlstand verdoppeln können.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: book , doc-type:book
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 13 (1993), S. 0 
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Leaching of genetically engineered microbes (GEMs) through soil is a significant concern related to groundwater quality. The objective of this study was to examine the leaching, survival and gene transfer of a genetically engineered microbe and indigenous recipients of pR68.45 in nonsterile, undisturbed soil columns. Pseudomonas aeruginosa PAO25, containing the plasmid R68.45, was added to the surface of undisturbed soil columns (10 cm diameter × 80 cm length). Unsaturated flow conditions were maintained by 100 ml daily additions of 2 mM CaCl2 for a period of 70 days. The population of the GEM exhibited a significant (P = 0.05) linear decline with time. The GEM leached only to a depth of 30–40 cm in 70 days. Transfer of pR68.45 was shown to occur from P. aeruginosa into the indigenous bacterial population although relatively low numbers of transconjugants were observed (log 2 cfu g−1 dry soil). The number of transconjugants also decreased with depth and time. Leaching of transconjugants, however, occured more readily than that of the GEM, probably as a result of plasmid transfer into smaller, more mobile bacteria. At 70 days incubation, no GEMs were detected in the columns, while transconjugants were observed at several depths. These results demonstrate the importance of examining both the survival and movement of GEMs and transconjugants in soil.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 324 (1979), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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