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dc.contributor.authorKristiansen, Svein
dc.contributor.authorFarbrot, Tove
dc.contributor.authorNaustvoll, Lars-Johan
dc.date.accessioned2011-11-24T21:04:50Z
dc.date.available2011-11-24T21:04:50Z
dc.date.issued2001-09-10
dc.identifier.issn0171-8630
dc.identifier.issn1616-1599
dc.identifier.urihttp://hdl.handle.net/11250/108820
dc.description.abstractPrimary production and uptake rates of ammonium, nitrate and silicic acid were measured during the 1996 spring bloom in the Oslofjord, southern Norway, using isotope methodology (14C, 15N and 32Si). Chlorophyll a (chl a) standing stock peaked at 38 mg chl a m-3. Diatoms, especially Thalassiosira nordenskioeldii, dominated the plankton community. The diatom bloom followed a sigmoid growth pattern until it abruptly declined. Both nitrate and silicic acid were depleted from the surface layer during the bloom. Nitrate was the major nitrogen-source for phytoplankton growth, the f-ratio was >0.9 until the bloom declined. Virtually all the silicic acid was converted into diatom frustules (biogenic silica), and silicon controlled the primary production during the bloom.no_NO
dc.language.isoengno_NO
dc.publisherInter-Researchno_NO
dc.subjectnutrientno_NO
dc.subjectnæringsstofferno_NO
dc.subjectalgal bloomno_NO
dc.subjectalgeoppblomstringno_NO
dc.titleSpring bloom nutrient dynamics in the Oslofjordno_NO
dc.typeJournal articleno_NO
dc.typePeer reviewedno_NO
dc.subject.nsiVDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497no_NO
dc.source.pagenumber41-49no_NO
dc.source.volume219no_NO
dc.source.journalMarine Ecology Progress Seriesno_NO
dc.identifier.doihttp://dx.doi.org/10.3354/meps219041


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