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  • Daphnia  (2)
  • Springer  (2)
  • Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research
  • American Chemical Society
  • Berlin, Heidelberg :Springer Berlin / Heidelberg,
  • International Union of Crystallography (IUC)
  • 2010-2014
  • 1985-1989
  • 1980-1984  (1)
  • 1975-1979  (1)
  • 1970-1974
  • 1915-1919
Publikationsart
Verlag/Herausgeber
  • Springer  (2)
  • Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research
  • American Chemical Society
  • Berlin, Heidelberg :Springer Berlin / Heidelberg,
  • International Union of Crystallography (IUC)
Erscheinungszeitraum
  • 2010-2014
  • 1985-1989
  • 1980-1984  (1)
  • 1975-1979  (1)
  • 1970-1974
  • +
Jahr
  • 1
    ISSN: 1573-5117
    Schlagwort(e): Manganese-54 ; concentration factor ; algae ; Daphnia ; minnows
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Concentration factors (CF) of 54Mn for three aquatic species: green algae (Protococcoidal chlorella), Daphnia magna, and fathead minnows (Pimephales promelas) were determined following direct exposure to the isotope in solution. The maximum accumulation (CF = 911) in P. chlorella was reached at 48 hours of exposure; the maximum uptake (CF = 65) in Daphnia was reached at 8 hours of exposure; and the maximum accumulation (CF = 22.6) in fathead minnows was at 128 hours of exposure. The data indicate that 54Mn accumulation decreases with ascent up a theoretical aquatic food chain when water is the only source of contamination.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Hydrobiologia 88 (1982), S. 277-280 
    ISSN: 1573-5117
    Schlagwort(e): concentration factor ; nuclear power ; manganese-54 ; algae ; Daphnia ; perch
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Concentration factor and biological half-life of 54Mn were determined in three species representing an ecologically and economically important food chain. Green algae (Chlorella spp.), Daphnia magna and yellow perch (Perca flavescens) were exposed to 54Mn in water and assayed for 54Mn uptake. Steady state concentration factors computed from the laboratory data for algae, Daphnia and perch were 4230, 17 000 and 11, respectively. Respective biological half-lives were 1.6, 1.2 and 8.3 days.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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