Shellfish mariculture in the Benguela system: Estimates of nitrogen-driven new production in Saldanha Bay using two physical models

Journal of Shellfish Research

Volumn 17, Issue 1, 1998, Pages 3-13

  Monteiro, P M S ^a,c   Spolander, B ^b   Brundrit, G B ^b   Nelson, G ^a  

^a MARINE AND COASTAL MANAGEMENT   (South Africa)

^b UNIVERSITY OF CAPE TOWN   (South Africa)

^c DSI CSIR Nanotechnology Innovation Centre   (South Africa)

Author keywords

Benguela; Diffusion; Entrainment; Mariculture; New production; Saldanha; Shellfish

Indexed keywords

EID: 0031877118     PISSN: 07308000     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (40)

1. Anderson, R. J., P. M. S. Monteiro & G. J. Levitt. 1996. The effect of localised eutrophication on competition between Ulva lactuca (Ulvaceae, Chlorophyta) and a commerical resource of Gracilaria verrucosa (Gracilariaceae, Rhodophyta). Hydrobiologia. 326/327:291-296.
2. Andrews, W. R. H. & L. Hutchings. 1980. Upwelling in the Southern Benguela Current. Progr. Oceanogr. 9:1-81.
3. Asmus, H. & R. M. Asmus. 1993. Phytoplankton-mussel bed interaction in intertidal ecosystems. In: R. F. Dame (ed.). Bivalve Filter Feeders in Estuarine and Coastal Ecosystem Processes. NATO ASI Series, Series G: Ecological Sciences. 31:57-84.
4. Brown, P.C. & J. L. Henry. 1985. Phytoplankton production, chlorophyll-a and light penetration in the southern Benguela region during the period between 1977 and 1980. In: L. V. Shannon (ed.). Smith African Ocean Colour and Upwelling Experiment. Sea Fisheries Research Institute, Cape Town. 270 pp.
5. Brown, P. C. & L. Hutchings. 1987. The development and decline of phytoplankton blooms in the southern Benguela upwelling system: 2. Nutrient relationships. In: A. I. L. Payne, J. A. Gulland, and K. H. Brink (eds.). The Benguela and Comparable Ecosystems. South African Journal of Marine Science. 5:393-410.
6. Brown, P. C., S. J. Painting & K. L. Cochrane. 1991. Estimates of phytoplankton and bacterial biomass and production in the northern and southern Benguela ecosystems. S. Afr. J. Mar. Sci. 11: 537-564.
7. CSIR. 1991. Evaluation of the discharge of selected fish factory effluents and the impact on the adjacent marine environment. CSIR Report, EMA-C 91171, Council For Scientific and Industrial Research, Pretoria, South Africa. 49 pp. and appendices.
8. Dame, R. F. 1993. The role of bi-valve filter feeder material fluxes in estuarine ecosystems. In: R. F. Dame (ed). Bivalve Filter Feeders in Estuarine and Coastal Ecosystem Processes. NATO ASI Series, Series G: Ecological Sciences. 31:245-270. Springer-Verlag, Heidelberg.
9. Dankers, N. 1993. Integrated estuarine management-obtaining a sustainable yield of bivalve resources while maintaining environmental quality. In: R. F. Dame (ed). Bivalve Filter Feeders in Estuarine and Coastal Ecosystem Processes. NATO ASI Series, Series G: Ecological Sciences. 31:57-84. Springer-Verlag, Heidelberg.
10. Dugdale, R. C. & J. J. Goering. 1967. Uptake of new and regenerated forms of nitrogen in primary productivity. Limnol. Oceanogr. 12:196- 206.
11. Eppley, R. W. & B. J. Peterson. 1979. Particulate organic matter flux and planktonic new production in the deep ocean. Nature. 282:677-680.
12. Fenchel, T. & T. H. Blackburn. 1979. Bacteria and Mineral Cycling. Academic Press, London. 225 pp.
13. Grant, J., J. Stenton-Dozey, P. M. S. Monteiro, G. Pitcher & K. Heasman. 1998. A carbon budget of Saldanha Bay (South Africa) for raft culture of Mytilus galloprovincialis. J. Shellfish Res. 17:41-49.
14. Guastella, L. A. 1992. Sea surface heat exchange at St Helena bay and implications for the southern Benguela upwelling system. In: A. I. L. Payne, K. H. Brink, K. H. Mann, and R. Hilborn (eds.). Benguela Trophic Functioning. South African Journal of Marine Science. 12:61- 70.
15. Heasman, K. G. 1996. The influence of oceanographic conditions and culture methods on the dynamics of mussel farming in Saldanha Bay, South Africa. M.Sc. Thesis, Rhodes University, South Africa.
16. Heasman, K. G., G. C. Pitcher, C. D. McQuaid & T. Hecht. 1998. Shellfish mariculture in the Benguela System. Food delivery to mussel rafts in a high production environment: the effect of rope spacing on food extraction, growth rate, yield and condition of mussels. J. Shellfish Res. 17:33-39.
17. Hecht, T. & P. J. Britz. 1993. The current status, future prospects and environmental implications of mariculture in South Africa. S. Afr. J. Sci. 88:335-342.
18. Hutchings, L., G. C. Pitcher, T. A. Probyn & G. W. Bailey. 1995. The chemical and biological consequences of coastal upwelling. In: C. P. Summerhayes, K.-C. Emeis, M. V. Angel, R. L. Smith, and B. Zeitzschel (eds.). Upwelling in the Ocean: Modern Processes and Ancient Records. Chichester, John Wiley & Sons. pp. 65-82.
19. King, F. D. 1987. Nitrogen recycling efficiency in steady state oceanic environments. Deep Sea Res. 34: 843-856.
20. King, F. D. & A. H. Devol. 1979. Estimates of vertical eddy diffusion through the thermocline from phytoplankton nitrate uptake rates in the mixed layer of the eastern tropical Pacific. Limnol. Oceanogr. 24:645- 651.
21. Large, W. G. & S. Pond. 1981. Open ocean momentum flux measurements in moderate to strong winds. J. Phys. Oceanogr. 11:324-336.
22. Monteiro, P. M. S. 1996. The oceanography, the biogeochemistry and fluxes of carbon dioxide in the Benguela System. PhD Thesis, University of Cape Town, South Africa.
23. 15 as a tool to demonstrate the contribution of fish waste-derived nitrogen to an Ulva bloom in Saldanha Bay. S. Afr. J. Mar. Sci. 18:1.
24. Monteiro, P. M. S. & G. B. Brundrit. 1990. Interannual chlorophyll variability in South Africa's Saldanha Bay system 1974-1979. S. Afr. J. Mar. Sci. 9:281-287.
25. Monteiro, P. M. S., S. McGibbon & J. L. Henry. 1990. A decade of change in Saldanha Bay: natural or anthropogenic. S. Afr. J. Sci. 86:454-456.
26. Monteiro, P. M. S., G. C. Pitcher, G. B. Brundrit, R. Carter, G. Nelson & C. Attwood. 1996. The Saldanha Bay environmental programme: marine science towards a sustainable growth for mariculture in South Africa. Proc. Aquacult. Assoc. S. Afr. 5:16-24.
27. Newell, C. R. & S. E. Shumway. 1993. Grazing of natural particulates by bivalve molluses: a spatial and temporal perspective. Bivalve filter feeders in estuarine and coastal ecosystem processes. NATO ASI Series G: Ecological Sciences. 31:85-148. Springer-Verlag, Heidelberg.
28. Pitcher, G. C. & D. Calder. 1998. Shellfish mariculture in the Benguela System. Phytoplankton and the availability of food for commercial mussel farms in Saldanha bay, South Africa. J. Shellfish Res. 17:15- 24.
29. Pitcher, G.C., D. Calder, G. Davis & G. Nelson. 1996. Harmful algal blooms and mussel farming in Saldanha Bay. Proc. Aquacult. Assoc. S. Afr. 5:87-93.
30. Platt, T., W. G. Harrison, M. R. Lewis, W. K. W. Li, S. Sathyendranath, R. E. Smith & A. F. Vezina. 1989. Biological production of the oceans: the case for consensus. Mar. Ecol. Progr. Ser. 52:77-88.
31. Pollard, R. T., P. B. Rhines & R. O. R. Y. Thompson. 1973. The deepening of the wind mixed layer. Geophys. Fluid Dynamics. 4:381-404.
32. Probyn, T. A. 1992. The inorganic nitrogen nutrition of phytoplankton in the southern Benguela: new production, phytoplankton size and implications for pelagic foodwebs. In: A. I. L. Payne, K. H. Brink, K. H. Mann, and R. Hilborn (eds.). Benguela Trophic Functioning. South African Journal of Marine Science. 12:411-420 (Journal).
33. Probyn, T. A., Mitchell-Innes, B.A. & S. Searson. 1995. Primary productivity and nitrogen uptake in subsurface chlorophyll maximum on the Eastern Agulhas Bank. Continental Shelf Res. 15:1903-1920.
34. Probyn, T. A., H. N. Waldron, S. Searson & N. J. P. Owens. 1996. Die variability in nitrogenous nutrient uptake at photic and sub-photic depths. J. Plankton Res. 18(11):2063-2079.
35. Redfield, A. C., B. H. Ketchum & F. A. Richards. 1963. The influence of organisms on the composition of sea water. In: Hill, M. N. (ed.). The Sea. Interscience, New York. pp. 26-77.
36. Shannon, L. V. & G. H. Stander. 1977. Physical and chemical characteristics of water in Saldanha Bay and Langebaan Lagoon, South Africa. Traits. Roy. Soc. S. Afr. 42:441-460
37. Spolander, B. 1996. Entrainment in Saldanha Bay. M.Sc. Thesis. Department of Oceanography, University of Cape Town, South Africa.
38. Tegen, A. 1987. Progress report: status study on the availability of solar radiation data and an evaluation of these data. Unpublished report, Department of Oceanography, University of Cape Town.
39. Waldron, H. N. & T. A. Probyn. 1991. Short-term variability during an anchor station study in the southern Benguela upwelling system. Nitrogen supply to the euphotic zone during a quiescent phase of the upwelling cycle. Progr. Oceanogr. 28:153-166.
40. Weeks, S. J., A. J. Boyd, P. M. S. Monteiro, and G. B. Brundrit. 1991. The cirrents and circulation in Saldanha Bay after 1975 deduced from histroical measurements of drogues. S. Afr. J. Mar. Sci. 11:525-535.