Microbial activity in sandy and muddy estuarine sediments
Elskens, M.; Leermakers, M.; Panatrakul, S.; Monteny, F.; Baeyens, W.F.J. (1991). Microbial activity in sandy and muddy estuarine sediments. Geo-Mar. Lett. 11(3-4): 194-198. http://dx.doi.org/10.1007/BF02431012
Striking differences were observed in the use of the electron acceptors involved in the degradation of organic matter by heterotrophic bacterial activity between a muddy and a sandy sediment on the same tidal flat of the Scheldt estuary. These bio-reduction reactions could have a quite different effect on the cycling of trace metals in the sediment as suggested by the results of the mobilization experiments. Trace metal speciation can be described as a function of the redox potential, in view of the fact that the latter is related to the heterotrophic bacterial activity.
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