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Essai de bilan annuel du transfer de l'azote dans le bassin de chasse d'Ostende. I. Utilisation de l'azote par le phytoplankton et le phytobenthos
Podamo, J. (1974). Essai de bilan annuel du transfer de l'azote dans le bassin de chasse d'Ostende. I. Utilisation de l'azote par le phytoplankton et le phytobenthos. Hydrobiol. Bull. 8(1-2): 46-52. https://dx.doi.org/10.1007/BF02254905
In: Hydrobiological Bulletin. Netherlands Hydrobiological Society: Amsterdam. ISSN 0165-1404; e-ISSN 2214-708X, more
Also appears in:
(1974). Proceedings of the International Symposium on Ecology and Physiology of the Brackish Environment, Amsterdam, September 4-7, 1973. Organized by the Netherlands Hydrobiological Society in honour of the Dutch hydrobiologist Dr. H.C. Redeke (1873-1945). Hydrobiological Bulletin, 8(1-2). Netherlands Hydrobiological Society: Amsterdam. 252 pp., more
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Keyword
    Brackish water
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  • Podamo, J.
Abstract
    As nutrients are withdrawn from the environment in the proportions required for the growth of primary producers, the C/N ratio known from the literature provides a stoechiometric basis for evaluating the uptake of nitrogen resulting from phytoplankton and phytobenthos activity. This activity has been measured respectively by 14CO2 incorporation and O2 production in in situ and in vitro experiments. The production of the phytoplankton community for the period considered (6 months) amounts to 112 g C/m². That of phytobenthos might well be one third of this amount (37 g C/m²). Therefore, nitrogen uptake would have been 14 g and 4 g C/m². As the yearly inorganic nitrogen input from the harbour of Ostend is 1.5 g, the turnover is about 10…
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