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MANAGING THE ST. LUCIA ESTUARY—MESSAGES FROM THE MUD
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: R. K. Owen --- , , South Africa A. T. Forbes --- , , South AfricaThe infaunal macrobenthic community of the St Lucia estuary has been exposed to natural disturbance in the form of salinity fluctuations arising from floods and hypersaline conditions, and human-induced interference arising from dredging and beam trawling. The responses of the... -
The impact of dredging on macrobenthic invertebrates in a tributary of the Warri River, Niger delta
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: EI Ohimain TOT Imoobe MO Benka-CokerThe macrobenthic invertebrates of a canal, created from a tributary of the Warri River in the mangrove swamp of the Niger Delta, Nigeria, were studied before and after dredging. In the canal dredging resulted in at least a 93% decrease... -
Changes in the epibenthos of Saldanha Bay, South Africa, between the 1960s and 2001: an analysis based on dredge samples
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: N Kruger GM Branch CL Griffiths JG FieldSaldanha Bay, which lies on the south-west coast of South Africa, has undergone major development over the past 30 years, including breakwater and harbour construction, harbour extension, dredging, mining, fishing, fish processing and mussel culture. This study examines whether the... -
Intrusion of beach-disposed dredger spoil into the Mhlathuze Estuary, South Africa, and its impact on Zostera capensis
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DP Cyrus CF MacKay SP WeertsPort expansion at Richards Bay on the east coast of South Africa between 1996 and 1999 required the disposal of some 5,998,429 m3 of dredge spoil. This was deposited via a pipeline onto the adjacent beach and spilled into the...