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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. ISSN 0171-8630, more
Peer reviewed article

Also published as
  • 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, in: (2001). VLIZ Coll. Rep. 31(2001). VLIZ Collected Reprints: Marine and Coastal Research in Flanders, 31: pp. chapter 18, more

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Keywords
    Degradation; Intertidal sedimentation; Organic matter; ANE, North Sea [gazetteer]; Marine

Authors  Top | Dataset 
  • Dauwe, B., more
  • Middelburg, J.J., more
  • Herman, P.M.J., more

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
  • Effect of oxygen on the degradability of organic matter in subtidal and intertidal sediments of the North Sea area, more

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