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Effect of oxygen on the degradability of organic matter in subtidal and intertidal sediments of the North Sea area
Dauwe, B.; Middelburg, J.J.; Herman, P.M.J. (2001). Effect of oxygen on the degradability of organic matter in subtidal and intertidal sediments of the North Sea area. Mar. Ecol. Prog. Ser. 215: 13-22
In: Marine Ecology Progress Series. Inter-Research: Oldendorf/Luhe. ISSN 0171-8630; e-ISSN 1616-1599, meer
Peer reviewed article  
Beschikbaar in  Auteurs | Dataset 
Trefwoorden
    ANE, North Sea
    Chemical reactions > Degradation
    Organic matter
    Sedimentation > Intertidal sedimentation
    Noordzee [Marine Regions]
    Marien/Kust
Auteurs  Top | Dataset 
  • Dauwe, B., meer
  • Middelburg, J.J., meer
  • Herman, P.M.J., meer
Abstract
    The effect of oxygen on the degradation of sedimentary organic matter has been determined for 6 subtidal stations and 3 intertidal stations in the North Sea area. The stations were selected to cover a range of organic matter lability and sediment texture (and hence concentrations of organic matter). Slurry incubations revealed that at low mineralisation rates, aerobic mineralisation is significantly faster than anaerobic mineralisation, irrespective of the degree of lability of organic matter. A complementary incubation experiment with sediment rich in organic carbon mixed with varying proportions of organically poor sediments confirmed the enhanced aerobic mineralisation at low mineralisation levels. It is proposed that oxygen-enhanced degradation occurs at low mineralisation levels at which bacterial biomass production becomes limiting.
Dataset
  • Dauwe B., Herman P. 1995: Effect of oxygen on the degradability of organic matter in subtidal and intertidal sediments of the North Sea area. Netherlands Institute of Ecology; Centre for Estuarine and Marine Ecology, Netherlands. Metadata available at http://mda.nioo.knaw.nl/imis.php?module=dataset&dasid=1820, meer
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