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Do littoral macrophytes influence crustacean zooplankton IPB - Escola Superior Agrária
Geraldes, Ana Maria; Boavida, Maria José.
In a meso-eutrophic reservoir, cladoceran and copepod assemblages were characterised in two sampling sites: One located in the pelagic zone (site 1) and the other in the shallow littoral zone (site 2), the latter colonised by emergent macrophytes. Samples were collected biweekly from June to July 2001 and from May to July 2002 at the two sites. At site 1, crustacean zooplankton samples were obtained by vertical hauls using a Wisconsin type net of 64 mm mesh size. At site 2 several random samples were obtained using a van Dorn bottle. Those samples were pooled together and the total sample was sieved through a 64 mm mesh size. Macrophyte relative abundance for each species was visually estimated. Macrophyte community was composed of Glyceria declinata,...
Tipo: Article Palavras-chave: Zooplankton; Cladocera; Copepoda; Reservoir; Macrophytes; Pelagic zone; Llittoral zone.
Ano: 2004 URL: http://hdl.handle.net/10198/708
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