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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [31684]

Interplay between biology and sedimentology in a mudflat (Biezelingse Ham, Westerschelde, The Netherlands) de Brouwer, J.F.C.; Bjelic, S.; de Deckere, E.M.G.T.; Stal, L.J. (2000). Interplay between biology and sedimentology in a mudflat (Biezelingse Ham, Westerschelde, The Netherlands). Cont. Shelf Res. 20(10-11): 1159-1177. http://dx.doi.org/10.1016/S0278-4343(00)00017-0 In: Continental Shelf Research. Pergamon Press: Oxford; New York. ISSN 0278-4343; e-ISSN 1873-6955, meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 140950 [ aanvragen ]

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Trefwoorden

Analysis > Sediment analysis Aquatic communities > Benthos > Phytobenthos Earth sciences > Geology > Geomorphology > Coastal morphology Physics > Mechanics > Fluid mechanics > Hydrodynamics Polymers Sedimentary structures > Mud flats Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries ANE, Nederland, Westerschelde, Biezelingse Ham Mud Flat [Marine Regions] Marien/Kust

Author keywords

Estuary; Mudflat morphology; Extracellular polymeric substances; Sediment characteristics; Microphytobenthos; Hydrodynamics

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Auteurs		Top
de Brouwer, J.F.C., meer Bjelic, S. de Deckere, E.M.G.T., meer Stal, L.J., meer

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Abstract

The aim of this research was to investigate the importance of biological processes on the sediment characteristics and the morphology of a mudflat in the Westerschelde (The Netherlands). For this purpose, a transect in the Biezelingse Ham mudflat was sampled on a monthly basis. In spring, the muddy part of the mudflat was dominated by a biofilm of microphytobenthos that altered the morphology of the mudflat and resulted in a two-fold increase in sediment stability. The biofilm also bound fine-grained sediment that was deposited. From June onwards, wind generated waves dominated the conditions at the mudflat which resulted in the disappearance of diatom biofilms, and caused a gradual erosion of the mudflat. During this period, meio- and macrofauna densities increased from which it was concluded that the hydrodynamic forces did not have a big impact on these communities. Spatial variations in sediment characteristics, morphology and biology were observed between stations 1 and 2 on the one hand and station 3 on the other. This resulted in different responses to the changing conditions on the mudflat. In general, the results from this field study indicate that sedimentology and biology, interact in a complex manner with the hydrodynamic regime both on a temporal as well as on a spatial scale.

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