Mesozooplankton community structure and grazing impact in the region of the Subtropical Convergence south of Africa |
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| Authors: | Pakhomov EA; Perissinotto R |
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| Institution: | Southern Ocean Group, Department of Zoology & Entomology, Rhodes University PO Box 94, Grahamstown 6140
Southern Ocean Group, Department of Zoology, University of Fort Hare Private Bag X 1314, Alice 5700, South Africa |
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| Abstract: | Mesozooplankton distribution and community structure in theregion of the Subtropical Convergence (STC) south of Africawere investigated during the SAAMES III cruise in austral winter(June–July) 1993. Both the STC and an associated warm-coreeddy (WCE) exhibited enhancements in zooplankton abundance,compared to the Subantarctic waters. Particularly, elevatedzooplankton densities were found in the centre of the STC andin the region north of it as well as at the edge of the WCE.Copepods (mainly Pleuromamma abdominalis and Metridia lucens),euphausiids (Euphausia spinifera, E.similis and E.recurva),pteropods (Limacina spp.) and chaetognaths (Eukrohnia hamataand Sagitta spp.) dominated numerically and accounted for >60 |
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