Limnology of river cooum with special reference to sewage and heavy metal pollution

Anantharaj, B.; Bagyalakshmi, V.; Lakshmi, R.

Proceedings of the Indian Academy of Sciences Animal Sciences 96(2): 141-149

1987


DOI: 10.1007/bf03179400
Accession: 005812773

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Abstract
The physical, chemical and biological variables and pollution of river Cooum with sewage and heavy metal were studied in 4 stations within Madras city [India] for a period of one year from August 1982 to July 1983. The physical, chemical and biological parameters presented complex pattern of variations indicating that the biotic life of Cooum river is severely affected by the excessive discharge of sewage effluents within the city limits which excessively eutrophicate the river water. The number of species and density of zooplankton are very low. Heavy metals such as iron, nickel, lead and zinc are recorded to be above permissible levels.

Limnology of river cooum with special reference to sewage and heavy metal pollution