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Dynamics and distribution of microphytobenthic chlorophyll-a in the Western Scheldt estuary (SW Netherlands)
de Jong, D.J.; De Jonge, V.N. (1995). Dynamics and distribution of microphytobenthic chlorophyll-a in the Western Scheldt estuary (SW Netherlands). Hydrobiologia 311(1-3): 21-30
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158, more
Peer reviewed article  

Also published as
  • de Jong, D.J.; De Jonge, V.N. (1995). Dynamics and distribution of microphytobenthic chlorophyll-a in the Western Scheldt estuary (SW Netherlands), in: Heip, C.H.R. et al. (Ed.) Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110: pp. 21-30, more

Available in Authors 
    VLIZ: Open Repository 274101 [ OMA ]

Keywords
    Chlorophylls; Estuaries; Estuarine dynamics; Geographical distribution; Hydrodynamics; Phytobenthos; Primary production; Sediments; ANE, Netherlands, Westerschelde [Marine Regions]; Marine; Brackish water

Authors  Top 
  • de Jong, D.J., more
  • De Jonge, V.N., more

Abstract
    The temporal dynamics and spatial distribution of microphytobenthic chlorophyll-a in the layer 0–1 cm were determined in the Western Scheldt estuary over the period 1991–1992. Connections between the annually averaged benthic chlorophyll-a and station elevation and sediment composition (as a measure of the hydrodynamic energy caused by currents and waves) were also examined.
    Microphytobenthic chlorophyll-a showed one main peak in early summer and a smaller peak in autumn. The mean chlorophyll-a concentration of 113 mg Chl-a m–2 in the upper centimeter is of the same order of magnitude as in other estuarine areas. The average annual primary production of the microphytobenthos has been estimated at 136 g C m–2 y–1 The primary production of sediment inhabiting microalgae is at least 17% of the total primary production in the estuary.
    Considerable differences in annually averaged chlorophyll-a emerges between the stations. These differences are related mainly to the interaction between station elevation and clay content of the sediment.

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