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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/2018

Title: Review of primary production and related processes on the Agulhas-Bank
Authors: Probyn, TA
Mitchellinnes, BA
Brown, PC
Hutchings, L
Carter, RA
Keywords: Phytoplankton biomass
Agulhas bank
Western boundary systems
Thermocline characteristics
Chlorophyll distribution
Primary productivity
Hydrographic settings
Multidisciplinary sciences
Issue Date: Mar-1994
Publisher: Bureau Scientific Publications
Citation: Probyn, TA, et al. 1994. Review of primary production and related processes on the Agulhas-Bank. South African Journal of Science, vol. 90(3), pp 166-173
Abstract: Phytoplankton biomass and productivity in different sectors of the Agulhas Bank are discussed in a broad hydrographic content centred predominantly on thermocline characteristics. The delineation of the different sectors is largely subjective, though based on some degree of physical and biological uniformity within each sub-region. The primary physical forcing mechanisms of wind-driven coastal upwelling and current-driven shelf-break upwelling stimulate phytoplankton productivity in the coastal region of the western Bank and over the eastern sector, respectively. Vertical thermal structure is adjectively maintained but modified by summer insulation and wind-induced mixing. Deep mixing associated with the deep pool south of Cape Agulhas severely retards primary production. In the winter the predominantly westerly wind conditions and reduced advection of bottom water onto the Agulhas Bank result in a deepening of thermocline over much of the region. The Agulhas Bank appears to be more productive with respect to phytoplankton than other major western-boundary current systems.
URI: http://hdl.handle.net/10204/2018
ISSN: 0038-2353
Appears in Collections:Infrastructure engineering
Coastal and marine systems
General science, engineering & technology

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