Oxygen-depleted bottom waters along the west coast of South Africa, 1950-2011

Fisheries Oceanography

Volumn 24, Issue S1, 2015, Pages 56-73

  Jarre, A ^a   Hutchings, L ^a,b   Crichton, M ^a   Wieland, K ^c   Lamont, T ^b   Blamey, L K ^a   Illert, C ^b   Hill, E ^a   van den Berg, M ^b  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

^b Oceans and Coasts   (South Africa)

^c TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

Author keywords

Benguela; Benthic habitat indicators; Cape hakes; Cumulative upwelling divergence; Decadal scale variability; Oxygen depletion; West Coast rock lobster

Indexed keywords

BOTTOM WATER; COASTAL ZONE; DEMERSAL FISH; ENVIRONMENTAL FACTOR; ENVIRONMENTAL MONITORING; HYPOXIA; LIVING RESOURCE; OXYGEN; PELAGIC FISH; PRIMARY PRODUCTION; SPATIAL VARIATION; VENTILATION;

ANGOLA; BENGUELA; SAINT HELENA BAY; SOUTH AFRICA; WESTERN CAPE;

JASUS LALANDII; MERLUCCIUS CAPENSIS;

EID: 84922787832     PISSN: 10546006     EISSN: 13652419     Source Type: Journal    
DOI: 10.1111/fog.12076     Document Type: Article

References (40)

1. Andrews, W.R.H. and Hutchings, L. (1980) Upwelling in the southern Benguela Current. Progress in Oceanography 9(1):1-181.
2. Atkinson, L.J., Leslie, R.W., Field, J.G. and Jarre, A. (2011) Changes in demersal fish assemblages on the west coast of South Africa, 1986-2009. Afr. J. Mar. Sci. 33:157-170.
3. Atkinson, L.J., Jarre, A., Shannon, L.J. and Field, J.G. (2012) Evidence for shifts in demersal fish populations on the west coast of South Africa: 1986 to 2009. In: Global Progress in Ecosystem-Based Fisheries Management. G.H. Kruse, H.I. Browman, K.L. Cochrane, D. Evans, G.S. Jamieson, P.A. Livingston, D. Woodby & C.I. Zhang (eds) Fairbanks: Alaska Sea Grant, University of Alaska, pp. 45-64.
4. Bailey, G.W. (1991) Organic carbon flux and development of oxygen deficiency on the modern Benguela continental shelf south of 22°S: spatial and temporal variability. In: Modern and Ancient Continental Shelf Anoxia. R.V. Tyson & T.H. Pearson (eds) London: Geological Society Special Publications 58, pp. 171-185.
5. Bailey, G.W. and Chapman, P. (1985) The nutrient status of St Helena Bay in February 1979., Chapter 8. In: South African Ocean Colour and Upwelling Experiment. L.V. Shannon (ed.) Cape Town: Sea Fisheries Research Institute, pp. 125-145.
6. Bailey, G.W. and Chapman, P. (1991) Short-term variability during an Anchor Station study in the southern Benguela Upwelling System: chemical and physical oceanography. Prog. Oceanogr. 28:9-37.
7. Bertrand, A., Chaigneau, A., Peraltilla, S. et al. (2011) Oxygen: a fundamental property regulating pelagic ecosystem structure in teh coastal southeastern trophica pacific. PLoS One 6:e29558.
8. Beyers, C.J., Wilke, C.G. and Goosen, P.C. (1994) The effects of oxygen deficiency on growth, intermoult period, mortality and ingestion rates of aquarium-held juvenile rock lobster Jasus lalandii. Afr. J. Mar. Sci. 14:79-87.
9. Blamey, L.K., Howard, J.A.E., Agenbag, J. and Jarre, A. (2012) Regime-shift detection in the southern Benguela, with particular reference to inshore ecosystems. Prog. Oceanogr. 106:80-95.
10. Buys, M.E.L. (1957) Temperature variations in the upper 50 metres in the St Helena Bay area, September 1950-August, 1954. Division of Sea Fisheries Investigational Report No. 27.
11. Chapman, P. and Shannon, L.V. (1985) The benguela ecosystem. Part II. Chemistry and related processes. Oceanogr. Mar. Biol. Annu. Rev. 23:183-251.
12. Cockcroft, A.C. (2001) Jasus lalandii 'walkouts' or mass strandings in South Africa during the 1990s: an overview. Mar. Freshw. Res. 52:1085-1094.
13. Cockcroft, A.C., van Zyl, D. and Hutchings, L. (2008) Large-scale changes in the spatial distribution of South African west coast rock lobster: an overview. Afr. J. Mar. Sci. 30:149-159.
14. Crichton, M., Hutchings, L., Lamont, T. and Jarre, A. (2013) From physics to phytoplankton: prediction of dominant cell size in St Helena Bay in the Southern Benguela. J. Plankton Res. 35:526-541.
15. Currie, J. (2005) Changes in St Helena Bay: 21 years of nutrient data (1983-2004) from the southern Benguela upwelling system. B. Sc. Honours thesis, Zoology Department, University of Cape Town, South Africa.
16. de Decker, A.H.B. (1970) Notes on an oxygen-depleted subsurface current off the west coast of South Africa. Division of Sea Fisheries Investigational Report No. 84.
17. Dingle, R.V. and Nelson, G. (1993) Sea-bottom temperature, salinity and dissolved oxygen on the continental margin off south-western Africa. S. Afr. J. Mar. Sci. 13:33-49.
18. Haley, C., Blamey, L.K., Atkinson, L.J. and Branch, G.M. (2011) Dietary change of the rock lobster Jasuslalandii after an 'invasive' geographic shift: effects of size, density and food availability. Estuar. Coast. Shelf Sci. 93:160-170.
19. Hamukuaya, H., O'Toole, M.J. and Woodhead, P.M. (1998) Observations of severe hypoxia and offshore displacement of Cape hake over the Namibian shelf in 1994. S. Afr. J. Mar. Sci. 19:57-59.
20. Howard, J.A.E., Jarre, A., Clarke, A. and Moloney, C.L. (2007) Application of the sequential t-test algorithm for analysing regime shifts to the southern Benguela ecosystem. Afr. J. Mar. Sci. 29:437-451.
21. Hutchings, L., Bailey, G., Tsanwani, M. and Illert, C. (2008) Is the southern Benguela running out of breath? Oral presentation, South African Marine Science Symposium, July 2008, Cape Town, South Africa.
22. Hutchings, L., Roberts, M.R. and Verheye, H.M. (2009) Marine environmental monitoring programmes in South Africa: a review. S. Afr. J. Sci. 105:94-102.
23. Hutchings, L., Jarre, A., Lamont, T., van den Berg, M. and Kirkman, S.P. (2012) St Helena Bay (southern Benguela) then and now: muted climate signals, large human impact. Afr. J. Mar. Sci. 34:559-583.
24. Jarre, A., Moloney, C.L., Shannon, L.J. et al. (2006) Detecting and forecasting long-term ecosystem changes. In: Benguela: Predicting a Large Marine Ecosystem. L.V. Shannon, G. Hempel, P. Malanotte-Rizzoli, C.L. Moloney & J. Woods (eds) Amsterdam: Elsevier Large Marine Ecosystem Series 14, pp. 239-272.
25. Matthews, S.G. and Pitcher, G.C. (1996) Worst recorded marine mortality on the South African coast. In: Harmful and Toxic Algal Blooms. T. Yasumoto, Y. Oshima & Y. Fukuyo (eds) Paris, France: Intergovernmental Oceanographic Commission of UNESC, pp. 89-92.
26. Mayfield, S., Atkinson, L.J., Branch, G.M. and Cockcroft, A.C. (2000a) Diet of the West Coast rock lobster Jasus lalandii: influence of lobster size, sex, capture depth, latitude and moult stage. S. Afr. J. Mar. Sci. 22:57-69.
27. Mayfield, S., Branch, G.M. and Cockcroft, A.C. (2000b) Relationships among diet, growth rate, and food availability for the South African rock lobster, Jasus lalandii (Decapoda, Palinuridea). Crustaceana 73:815-834.
28. Mohrholz, V., Bartholoma, C.H., van der Plas, A.K. and Lass, H.U. (2008) The seasonal variability of the northern Benguela undercurrent and its relation to the oxygen budget on the shelf. Cont. Shelf Res. 28:424-441.
29. Monteiro, P.M.S. and van der Plas, A.K. (2006) Low oxygen water (LOW) variability in the Benguela system: key processes and forcing scales relevant to forecasting. In: Benguela: Predicting a Large Marinen Ecosystem. L.V. Shannon, G. Hempel, P. Malanotte-Rizzoli, C.L. Moloney & J. Woods (eds) Amsterdam: Elsevier, Large Marine Ecosystem Series 14, pp. 71-90.
30. Nelson, G. and Polito, A. (1987) Information on currents in the Cape Peninsula area, South Africa. S. Afr. J. Mar. Sci. 5:287-304.
31. Newman, G.G. and Pollock, D.E. (1971) Biology and migration of rock lobster Jasus lalandii and the effect on availability at Elands Bay, South Africa. Invest. Rep. Div. Sea Fisheries South Africa No. 94, 24 pp.
32. Pitcher, G. and Probyn, T. (2011) Anoxia in southern Benguela during the autumn of 2009 and its linkage to a bloom of the dinoflagellate Ceratium balechii. Harmful Algae 11:23-32.
33. Pollock, D. (1979) Predator-prey relationships between the rock lobster Jasus lalandii and the mussel Aulacomya ater at Robben Island on the Cape west coast of Africa. Mar. Biol. 52:347-356.
34. Pollock, D.E. and Shannon, L.V. (1987) Response of rock-lobster populations in the Benguela ecosystem to environmental change - a hypothesis. S. Afr. J. Mar. Sci. 5:887-899.
35. Pollock, D.E., Cockcroft, A.C. and Goosen, P.C. (1997) A note on reduced rock lobster growth rates and related environmental anomalies in the southern Benguela, 1988-1995. S. Afr. J. Mar. Sci. 18:287-293.
36. Schlitzer, R. (2011) Ocean data view. URL http://odv.awi.de [accessed 15 April 2013].
37. Shannon, L.V., Crawford, R.J.M., Pollock, D.E. et al. (1992) The 1980s - A decade of change in the Benguela ecosystem. S. Afr. J. Mar. Sci. 12:271-296.
38. Sink, K., Holness, S., Harris, L. et al. (2012) National Biodiversity Assessment 2011. Technical Report. Volume 4: Marine and Coastal Component. Pretoria: South African National Biodiversity Institute, 325 pp.
39. Strickland, J.D.H. and Parsons, T.R. (1968). A Manual of Sea Water Analysis. Ottawa: Bull. Fish. Res. Board Can. 167, 311 pp.
40. Wieland, K., Durholtz, D., Leslie, R., Hutchings, L. and Lamont, T. (2012) Catch rates of hake in relation to environmental conditions: an exploratory analysis for the South African west coast. Unpublished report, CEC FP7 'ECOFISH' project, Benguela Current Commision, May 2012, 36 pp.