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Effect of Water Hyacinth on Distribution of Sulphate-Reducing Bacteria in Sediments of Lake Victoria

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dc.creator Muyodi, Frederick J
dc.creator Rubindamayugi, M. S. T.
dc.creator Semesi, Adelaide K.
dc.date 2016-09-21T14:05:28Z
dc.date 2016-09-21T14:05:28Z
dc.date 2004
dc.date.accessioned 2018-03-27T09:00:39Z
dc.date.available 2018-03-27T09:00:39Z
dc.identifier Muyodi, F.J., Rubindamayugi, M.S. and Semesi, A.K., 2004. Effect of water hyacinth on distribution of sulphate-reducing bacteria in sediments of Lake Victoria. Water SA, 30(3), pp.421-425.
dc.identifier http://hdl.handle.net/20.500.11810/4011
dc.identifier org/10.4314/wsa.v30i3.5092
dc.identifier.uri http://hdl.handle.net/20.500.11810/4011
dc.description The effect of the water hyacinth, Eichhornia crassipes (Mart.) Solms-Laub, on the distribution of populations of sulphate-reducing bacteria (SRB) in sediments from various stations on the shores of Lake Victoria around Mwanza Municipality, Tanzania, was studied. Lactate-utilising SRB were observed to be the dominant species in sediments covered by the water hyacinth and at the Mirongo River mouth while acetate-utilising SRB dominated in the offshore open water sediments. Sediments from offshore open waters had the lowest most probable numbers (MPNs) for all the SRB types investigated, more than 100 times less that observed in areas covered by the water hyacinth and the Mirongo River mouth. Lactate-utilising SRB were almost absent in sediments from offshore open waters. A positive correlation between the total populations of SRB and nutrients in sediments was observed. Results showed that sulphate concentration was very high in sediments underneath the water hyacinth at the lakeshore but was minimal in sediments from offshore open waters. It is suggested that water hyacinth decomposition formed lactate, which supported large populations of lactate-utilising SRB.
dc.language en
dc.title Effect of Water Hyacinth on Distribution of Sulphate-Reducing Bacteria in Sediments of Lake Victoria
dc.type Journal Article


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