Journal
AFRICAN JOURNAL OF MARINE SCIENCE
Volume 35, Issue 2, Pages 151-161Publisher
NATL INQUIRY SERVICES CENTRE PTY LTD
DOI: 10.2989/1814232X.2013.796893
Keywords
3-D modelling; IBM model; pelagic ecosystem
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Cape anchovy Engraulis encrasicolus adapted its reproductive strategies to the southern Benguela system by spawning over the Agulhas Bank, an area of low productivity that is located upstream of the predominant upwelling system. Frontal jet currents transport eggs and larvae toward the west coast of South Africa, where recruitment takes place. To characterise the recruitment dynamics of Cape anchovy ichthyoplankton, we used an individual-based model forced by a coupled hydrodynamic-biogeochemical model. The results show the importance of food (especially diatoms and copepods) dynamics on the spatial and temporal patterns of recruitment success, and also confirm the importance of the spawning area, timing and water depth on the recruitment success of Cape anchovy larvae.
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