Consulta: creatorFacets:"Baumann, M.E.M."
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Nitrogen uptake regime and phytoplankton community structure in the Atlantic and Indian sectors of the Southern Ocean
Provedor de dados: 27
Autores: Semeneh, M.; Dehairs, F.A.; Elskens, M.; Baumann, M.E.M.; Kopczynska, E.E.; Lancelot, C.; Goeyens, L.
Phytoplankton nitrogen uptake is studied in relation to the biomass and structure of phytoplankton community in the Atlantic and Indian sectors of the Southern Ocean. Two scenarios of seasonal evolution of uptake regime and phytoplankton community structure are described. The first scenario includes the Marginal Ice Zone areas of the Weddell Sea and adjacent areas where a predominantly nitrate based, diatom dominated assemblage, thriving in a stable water column at the beginning of the season was transformed into a mainly ammonium based, flagellate dominated assemblage, towards the end of the season. The change in phytoplankton community structure was caused by selective grazing by large grazers and reduced stability of the water column and the shift in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biogeochemical cycle Biomass Community composition Continental shelves Ice edge Nitrogen Pelagic environment Phytoplankton Size distribution Uptake PS; Southern Ocean PSE; Antarctic Ocean.
Ano: 1998
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=10255