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Feeding behaviour of the Nauplius and adult female of the ambush copepod Oithona davisae

AutorSaiz, Enric ; Griffell Martínez, Kaiene ; Calbet, Albert ; Isari, Stamatina
Fecha de publicación28-feb-2014
Citación2014 Ocean Sciences Meeting (2014)
ResumenOithona is one of the most abundant genus of copepods in the oceans. Despite its acknowledged importance and the growing number of studies dealing with it, still many basic aspects of its ecology and ecophysiology are poorly understood; this is particularly evident for the younger stages. Here we present data on the feeding behaviour and prey size spectrum of the nauplii and adult females of Oithona davisae. Feeding incubations were conducted in the laboratory under a wide range of prey sizes, from picoplankton (2.5 µm) to large dinoflagellates and ciliates. Nauplii and adults are strict ambush feeders, and this feeding strategy appears to constrain the maximum feeding rates and the prey size spectrum. When compared with calanoids, both nauplii and adults have lower feeding rates and much larger optimum prey/predator size relationships
Descripción17th Ocean Sciences Meeting, 23-28 February 2014, Honolulu, Hawaii USA
Versión del editorhttp://www.sgmeet.com/osm2014/viewabstract.asp?AbstractID=14220
URIhttp://hdl.handle.net/10261/125460
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