Pollution in Cochin Backwaters With Reference to Indicator Bacteria

Quantitative abundance of indicator bacteria, viz. coliforms, Escherichia coli and Streptococcus faecalis , in sediment and water samples from 6 sewage outfall stations of Cochin backwaters is studied for 1 yr. FC/FS (faecal coliform/faecal streptococci) ratio indicates that the principal source of...

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Bibliographic Details
Published in:Indian journal of marine sciences 1979-01, Vol.8 (1), p.43-46
Main Authors: Gore, P S, Raveendran, O, Unnithan, R V
Format: Article
Language:English
Subjects:
Brackish
Escherichia coli
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Summary:Quantitative abundance of indicator bacteria, viz. coliforms, Escherichia coli and Streptococcus faecalis , in sediment and water samples from 6 sewage outfall stations of Cochin backwaters is studied for 1 yr. FC/FS (faecal coliform/faecal streptococci) ratio indicates that the principal source of faecal pollution is non-human type originating from land drainage, discharge of organic waste and also from sewage discharge. Based on quantitative abundance and distribution of these organisms the 6 stations are classified as intensely polluted, fairly polluted, and slightly polluted. Consumption of edible animals obtained from the Cochin estuarine environment, as a source of health hazard is highlighted.
ISSN:0379-5136