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Zooplankton food sources in the Scheldt Estuary: estimating relative importance of algae and bacteria through isotope composition and fatty acid content [Voedselbronnen van zooplankton in het Schelde estuarium: schatting van het relatieve belang van algen en bacteriën door analyse van stabiele isotopen en vetzuursamenstelling] Citation Van den Meersche K., Soetaert K. 2005: Zooplankton food sources in the Scheldt Estuary: estimating relative importance of algae and bacteria through isotope composition and fatty acid content. Netherlands Institute of Ecology; Centre for Estuarine and Marine Ecology, Netherlands. Metadata available at http://mda.nioo.knaw.nl/imis.php?module=dataset&dasid=1225. https://marineinfo.org/id/dataset/1225 Availability: Unrestricted The data are freely available to anybody and may be used for any purpose. Usage acknowledgement may be required Description Six stations along a salinity gradient of the Scheldt Estuary in Belgium and the Netherlands were sampled monthly during one year in 2005. Mesozooplankton, suspended matter (SPM) and water samples were collected from the water column. more Mesozooplankton was determined up to family, genus or species level and analysed for 13C and fatty acid content. Suspended matter was analysed for polar lipid fatty acids (PLFA), 13C of PLFA and of bulk SPM. Water samples were analysed for 13C of dissolved inorganic and organic carbon. Group-specific PLFA were used to estimate isotope ratios of algal groups and of bacteria. Relative contributions of autochtonous and allochtonous organic carbon to the mesozooplankton biomass were estimated from the isotopic ratios. Total fatty acid content of mesozooplankton was also assessed to compare the results of fatty acid analysis with those of 13C analysis. Scope Themes: Biology, Biology > Ecology - biodiversity, Biology > Invertebrates, Biology > Plankton Keywords: Marine/Coastal, Brackish water, Algae, Bacteria, Carbon 13, Fatty acids, Phospholipid fatty acids, Stable isotopes, Zooplankton, ANE, Netherlands, Westerschelde, Hansweert, ANE, Scheldt Estuary, Belgium, Zeeschelde, Antwerp, Belgium, Zeeschelde, Dendermonde, Belgium, Zeeschelde, Temse, Belgium, Zeeschelde, Wetteren, Belgium, Zeeschelde, Zandvliet, , Bacteria, Copepoda Geographical coverage ANE, Netherlands, Westerschelde, Hansweert [Marine Regions] ANE, Scheldt Estuary [Marine Regions] Belgium, Zeeschelde, Antwerp [Marine Regions] Belgium, Zeeschelde, Dendermonde [Marine Regions] Belgium, Zeeschelde, Temse [Marine Regions] Belgium, Zeeschelde, Wetteren [Marine Regions] Belgium, Zeeschelde, Zandvliet [Marine Regions] Temporal coverage February 2005 - October 2005 Parameters Bicarbonate (HCO3-) Chlorophyll a Delta 13C Phospholipid-derived fatty acids (PLFA) Dissolved organic carbon (DOC) Isotope 13C-DIC from filtrated water Isotope 13C-DOC from filtrated water Isotope Carbon (C) Organic carbon (OC) Phospholipid-derived fatty acids (PLFAs) Solid particulate matter in water Total fatty acids in zooplankton Total nitrogen (N) Zooplankton isotopic signature 13C Dataset status: Completed Data type: Data Data origin: Research: field survey Metadatarecord created: 2007-04-18 Information last updated: 2009-10-08 | ||||
