Vertical migration and feeding of Euphausia lucens (Euphausiacea) in the Southern Benguela |
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| Authors: | Gibbons, M.J. Barange, M. Pillar, S.C. |
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| Affiliation: | 1Marine Biology Research Institute, Zoology Department, University of Cape Town Rondebosch 7700, Cape Town 2Sea Fisheries Research Institute Private Bag X2, Roggebaai 8012, Cape Town, South Africa 3Instituto de Ciencias del Mar Paseo Nacional S/N, 08003 Barcelona, Spain |
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| Abstract: | Diel migration and feeding were examined for populations ofEuphausia lucens living in the near- and offshore waters ofthe southern Benguela. Euphausiids at both stations displayednocturnal diel vertical migration patterns. Animals inshoreascended in a slow-fast-slow manner which seems to be relatedto differential food concentrations throughout the water columnPronounced quantitative and qualitative changes in the dietof E.lucens were observed offshore but not inshore. These differencesare discussed in relation to different ambient food environments |
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