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The use of size fractionation for determining the bacterial contribution to overall pelagic oxygen consumption rates
Laanbroek, H.J.; Verplanke, J.C. (1986). The use of size fractionation for determining the bacterial contribution to overall pelagic oxygen consumption rates, in: Deuxième Colloque International de Bactériologie marine. CNRS, Brest, 1-5 octobre 1984 = Second International Colloquium of Marine Bacteriology. Actes de Colloques - IFREMER, 3: pp. 191-197
In: (1986). Deuxième Colloque International de Bactériologie marine. CNRS, Brest, 1-5 octobre 1984 = Second International Colloquium of Marine Bacteriology. Actes de Colloques - IFREMER, 3. IFREMER/GERBAM: Brest. 671 pp., more
In: Actes de Colloques - IFREMER. Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER): Brest. ISSN 0761-3962, more
Peer reviewed article  
Available in  Authors 
Document type: Conference paper
Keywords
    Chemical elements > Nonmetals > Atmospheric gases > Oxygen > Dissolved gases > Dissolved oxygen
    Collecting devices > Bacteria collecting devices
    Organic compounds > Carbohydrates > Glycosides > Pigments > Photosynthetic pigments > Chlorophylls
    Oxygen consumption
    Marine/Coastal
Authors  Top 
  • Laanbroek, H.J., more
  • Verplanke, J.C.
Abstract
    Size fractionations in combination with precise oxygen measurements, determinations of bacterial cell numbers and chlorophyll a analyses were used in the Oosterschelde basin and Lake Grevelingen to establish the bacterial contribution to overall pelagic oxygen consumption rates. On computation, 101 and 59% of total respiration could be attributed to bacterial activity in winter in the basin and in the lake, respectively. In summer, the bacterial component of total activity was calculated to amount to 54 and 57% in the basin and in the lake, respectively. Microbial contribution to in silu overall activity may slightly be overestimated by growth of the bacteria observed during incubation of the samples in oxygen bottles in the dark at in situ temperatures.
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