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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), in: Heip, C.H.R. et al. Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110: pp. 21-30 In: Heip, C.H.R.; Herman, P.M.J. (Ed.) (1995). Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110. Kluwer Academic: Dordrecht. ISBN 978-0-7923-3699-0. VIII, 276 pp., meer In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, meer Is gerelateerd aan: 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. https://dx.doi.org/10.1007/BF00008568, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 141147 [ download pdf ]

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Trefwoorden

Aquatic communities > Benthos > Phytobenthos Biological production > Primary production Distribution > Geographical distribution Motion > Water motion > Circulation > Water circulation > Shelf dynamics > Estuarine dynamics Organic compounds > Carbohydrates > Glycosides > Pigments > Photosynthetic pigments > Chlorophylls Physics > Mechanics > Fluid mechanics > Hydrodynamics Sediments Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries ANE, Nederland, Westerschelde [Marine Regions] Marien/Kust; Brak water

Author keywords

MICROPHYTOBENTHOS; CHLOROPHYLL-A; PRIMARY PRODUCTION; ANNUAL CYCLE;DEPTH DISTRIBUTION; HYDRODYNAMIC ENERGY; SEDIMENT; ELEVATION

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Auteurs		Top
de Jong, D.J., meer De Jonge, V.N., meer

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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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