Open WL Archief (OWA)

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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.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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one publication added to basket [3395]
Large-scale microalgae production for nursery rearing of marine bivalves De Pauw, N.; Verboven, J.; Claus, C. (1983). Large-scale microalgae production for nursery rearing of marine bivalves. Aquacult. Eng. 2: 27-47 In: Aquacultural engineering. Elsevier: London. ISSN 0144-8609; e-ISSN 1873-5614, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 128839 [ download pdf ]

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Trefwoorden

Aquaculture > Marine aquaculture Aquaculture systems > Mass culture Cultures > Algal culture Cultures > Shellfish culture > Mollusc culture Rearing Chaetoceros C.G. Ehrenberg, 1844 [WoRMS]; Chlorella M.Beijerinck, 1890 [WoRMS]; Nitzschia A.H. Hassall, 1845 [WoRMS]; Phaeodactylum K. von Bohlin, 1897 [WoRMS]; Skeletonema R.K. Greville, 1865 [WoRMS] Marien/Kust

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Auteurs		Top
De Pauw, N., meer Verboven, J. Claus, C., meer

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Abstract

The feasibility of large-scale bloom induction of nutritionally suited natural phytoplankton species, to feed a semi-industrial nursery of edible shellfish, built on the Belgian coast, was tested. The outdoor microalgal production unit consisted of four tanks of 100 m² surface each (two of 1 m depth and two of 0.5 m depth), equipped with different mixing devices. The cultures were run as chemostats in which seawater was enriched with commercial inorganic N, P and Si fertilizers. Depending on the season, between 5-10 and 80% of the culture volume could be harvested daily, with algal densities ranging from 50,000 to 500,000 cells per ml. By manipulation of operational parameters such as detention time, nutrient levels and nutrient ratios (N: Si: P), unsuited or less suited species of algae (e.g.Chlorella and Phaeodactylum) could be replaced by more desirable species (e.g. Skeletonema, Nitzschia, Chaetoceros). Various biological and technological problems encountered during year round operation, including collapsing of the culture, seawater enrichment, water quality, fouling and water treatment, are commented.

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