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Het Schelde-estuarium als filter: een bioreactor van stofstromen
Van Damme, S.; Meire, P. (2001). Het Schelde-estuarium als filter: een bioreactor van stofstromen. Levende Nat. 102(2): 48-51
In: De Levende Natuur: tijdschrift voor Natuurbehoud en Natuurbeheer. Stichting De Levende Natuur: Oosterbeek; Amsterdam; 's-Graveland. ISSN 0024-1520, more
Also appears in:
(2001). De Schelde: een rivier met vele gezichten (Themanummer Schelde). De Levende Natuur: tijdschrift voor Natuurbehoud en Natuurbeheer, 102(2). Stichting De Levende Natuur: Utrecht. 37-106 pp., more
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Keywords
    Chemical reactions > Degradation
    Eutrophication
    Food webs > Food chains
    Nutrients (mineral)
    Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries
    Water quality
    Marine/Coastal; Brackish water
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Abstract
    The Scheldt estuary is exposed to large loads of carbon and nutrients. This leads to a eutrophication problem characterized by reduced oxygen concentrations and a huge efflux of CO2. In the coastal waters a degradation of the foodchain is noted caused by excessive nutrient supply. The capacity of the estuary to polish the water is important but can not cope with the vast scale of the immissions. Restoration and development of tidal wetlands can contribute in several ways to restore the water quality. Increase of water treatment is expected to have positive ecological results. Nevertheless, restoration of the oxygen conditions might counteract some purifying processes.
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