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Anthropogenic Pollution in the Dar es Salaam Harbour Area, Tanzania.

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dc.creator Machiwa, John F.
dc.date 2016-03-23T13:39:13Z
dc.date 2016-03-23T13:39:13Z
dc.date 1992-11
dc.date.accessioned 2018-03-27T08:22:25Z
dc.date.available 2018-03-27T08:22:25Z
dc.identifier Machiwa, J.F., 1992. Anthropogenic pollution in the Dar es Salaam harbour area, Tanzania. Marine Pollution Bulletin, 24(11), pp.562-567.
dc.identifier http://hdl.handle.net/123456789/1269
dc.identifier 10.1016/0025-326X(92)90709-F
dc.identifier.uri http://hdl.handle.net/123456789/2300
dc.description Full text can be accessed at http://www.sciencedirect.com/science/article/pii/0025326X9290709F
dc.description Man-made pollutants, namely, petroleum hydrocarbons, polychlorinated biphenyls (PCBs), and heavy metals as well as microbial pollution in the sediments of the harbour channel have been evaluated. Petroleum hydrocarbons, PCBs and heavy metals (Fe, Pb, Cu, and Zn) are at elevated levels in the port area used for loading and unloading activities. The concentration of the chemicals decreases further offshore, with the exception of cadmium which, surprisingly, is enriched in the sediments at the ship outer anchorage zone. The concentration-depth profile of the sediment core samples show that in general metals are uniformly distributed with depth in the sediment. The between station variation of Mn, Cr and Ni is strongly influenced by grain size differences. Total and faecal coliform bacteria are few in the port area but are extremely abundant at the fish landing beach and close to the sewer outfall
dc.language en
dc.publisher Elsevier
dc.subject Anthropogenic pollution
dc.subject Environment pollution
dc.subject Harbour area
dc.subject Tanzania
dc.title Anthropogenic Pollution in the Dar es Salaam Harbour Area, Tanzania.
dc.type Journal Article


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