Effect of hypersaline and low lake conditions on ecological functioning of St Lucia estuarine system, South Africa: An overview 2002-2008

Estuarine, Coastal and Shelf Science

Volumn 86, Issue 4, 2010, Pages 535-542

  Cyrus, D P ^a   Vivier, L ^a   Jerling, H L ^a  

^a UNIVERSITY OF ZULULAND   (South Africa)

Author keywords

anthropogenic impacts; benthos; drought; estuary; fish; management; marine environment; mouth closure; zooplankton

Indexed keywords

ANTHROPOGENIC EFFECT; BENTHOS; BIOTIC FACTOR; HYPERSALINE ENVIRONMENT; LAKE POLLUTION; NEARSHORE ENVIRONMENT; ZOOPLANKTON;

KWAZULU-NATAL; SAINT LUCIA ESTUARY; SOUTH AFRICA;

EID: 74749094237     PISSN: 02727714     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ecss.2009.11.015     Document Type: Article

References (26)

1. Bate G.C., and Taylor R.H. Sediment salt-load in the St. Lucia estuary during the severe drought of 2002-2006. Environmental Geology 55 5 (2008) 1089-1098
2. Begg G. The estuaries of natal. Natal Town and Regional Planning Report 41 (1978) 1-657
3. Boltt R.E. The benthos of some southern African lakes. Part V: the recovery of the benthic fauna of St Lucia Lake following a period of excessively high salinity. Transactions of the Royal Society of South Africa 41 3 (1975) 295-323
4. Cyrus D.P. The Lake St Lucia system - a research assessment. South African Journal of Aquatic Science 15 (1989) 3-25
5. Cyrus D.P., and Vivier L. Status of the estuarine fish fauna in the Lake St Lucia estuarine system, South Africa, after 30 months of mouth closure. African Journal of Aquatic Science 31 1 (2006) 71-81
6. Cyrus D.P., and Vivier L. Fish breeding in, and juvenile recruitment to, the St Lucia estuarine system under conditions of extended mouth closure and low lake levels. African Journal of Aquatic Science 31 1 (2006) 83-87
7. Day J.H., Millard N.A.H., and Broekhuysen G.J. The ecology of South African estuaries. Part IV: the St Lucia system. Transactions of the Royal Society of South Africa 34 (1954) 129-156
8. Fielding P.J., Forbes A.T., and Demetriades N.T. Chlorophyll concentrations and suspended particulate loads in St Lucia, a turbid estuary on the east coast of South Africa. African Journal of Marine Science 11 (1991) 491-498
9. Forbes A.T., and Cyrus D.P. Recruitment and origin of penaeid prawn postlarvae in two south-east African estuaries. Estuarine, Coastal and Shelf Science 33 (1991) 281-289
10. Forbes, A.T., Demetriades, N.T., 2005. A Review of the Commercial, Shallow Water Penaeid Prawn Resource of South Africa: Status, Fisheries, Aquaculture and Management. Unpublished Specialist Report prepared for Ezemvelo KZN Wildlife by consultants of Marine and Estuarine Research, 64 pp. (Available under documents at: http://www.upe.ac.za/cerm).
11. Grindley J.R. The role of zooplankton in the St Lucia system. In: Taylor R.H. (Ed). St Lucia Research Review (1982), Natal Parks Board, Pietermaritzburg 88-107
12. Hutchison I.P.G. Lake St Lucia and Estuary - Hydrographic Data. Report No. 3/74 (1974), Hydrological Research Unit, Department of Civil Engineering, University of the Witwatersrand
13. Hutchison I.P.G., and Midgley D.C. Modelling the water and salt balance in a shallow lake. Ecological Modelling 4 (1978) 211-235
14. Jerling H.L., Vivier L., and Cyrus D.P. Response of the mesozooplankton community of the St Lucia estuary, South Africa, to a mouth-opening event during an extended drought. Estuarine, Coastal and Shelf Science (2009) doi:10.1016/j.ecss.2009.11.014
15. Kriel J.P. Report of the Commission of Inquiry into the Alleged Threat to Plant and Animal Life in St Lucia Lake (1966), Government Printer, Pretoria 371 pp.
16. MacKay C.F., Jerling H., and Cyrus D.P. Zoobenthic and Zooplankton invertebrates of the St Lucia system: fauna present under drought conditions. CRUZ Investigational Report 120 (2005) 1-28
17. MacKay C.F., Cyrus D.P., and Russell K.-L. Macrobenthic responses to prolonged drought conditions in South Africa's largest estuarine lake complex. Estuarine, Coastal and Shelf Science (2009) doi:10.1016/j.ecss.2009.11.011
18. Mann B.Q., and Pradervand P. Declining catch per unit effort of a estuarine-dependent, Rhabdosargus sarba (Teleostei: Sparidae), in the marine environment following closure of the St Lucia estuarine system, South Africa. African Journal of Aquatic Science 32 2 (2007) 133-138
19. Millard N.A.H., and Broekhuysen G.J. The ecology of South African estuaries. Part X: St Lucia: a second report. Zoologica Africana 5 (1970) 277-307
20. In: Taylor R.H. (Ed). Proceedings of the Workshop on Water Requirements for Lake St Lucia. Proceeding of Workshop Organised by the St Lucia Ecological and Technical Committee (SCADCO) (1993), Department of Environmental Affairs, Pretoria 0-620-17459-5
21. Taylor, R.H. 2006. Ecological responses to changes in the physical environment of the St Lucia estuary. Unpublished PhD thesis 2006:7, Norwegian University of Life Sciences, Department of Plant and Environmental Sciences, Aas, Norway, 172 pp.
22. Turpie J.K., Adams J.B., Jouberts A., Harrison T.D., Colloty B.M., Maree R.C., Whitfield A.K., WooldridgeLamberth S.J., and Taljaard S. Assessment of the conservation priority status of South African estuaries for use in management and water allocation. Water SA 28 2 (2002) 191-206
23. Vivier L., Cyrus D.P., and Jerling H.L. Fish community structure of St Lucia estuarine system under drought conditions its potential for recovery after mouth breaching. Estuarine, Coastal and Shelf Science (2009)
24. Wallace J.H., and van der Elst R.P. The estuarine fishes of the east coast of South Africa. Part 4. Occurrence of juveniles in estuaries. Part 5. Ecology, estuarine dependence and status. Investigational Report Oceanographic Research Institute 42 (1975) 1-63
25. Whitfield A.K. Preliminary documentation and assessment of fish diversity in Sub-Saharan African estuaries. African Journal of Marine Science 27 (2005) 1-18
26. Whitfield A.K., and Taylor R.H. A review of the importance of freshwater inflow to the future conservation of Lake St Lucia. Aquatic Conservation: Marine and Freshwater Ecosystems 19 (2009) 838-848