Effect of industrial discharges on the ecology of phytoplankton production in the river Periyar (India)

The ecology of phytoplankton production in the River Periyar, which receives continuous effluent discharge from a dozen industrial units, has been studied. Spatial variation of phytoplankton composition, chlorophyll pigments and physico-chemical features of water were observed for a period of 1 year...

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Bibliographic Details
Published in:Water research (Oxford) 1990, Vol.24 (6), p.787-796
Main Authors: Joy, C.M., Balakrishnan, K.P., Joseph, Ammini
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Biological and medical sciences
chlorophyll
Fundamental and applied biological sciences. Psychology
industrial effluents
physico-chemical factors
phytoplankton
river pollution
spatial variation
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Summary:The ecology of phytoplankton production in the River Periyar, which receives continuous effluent discharge from a dozen industrial units, has been studied. Spatial variation of phytoplankton composition, chlorophyll pigments and physico-chemical features of water were observed for a period of 1 year. A multiple regression relationship was set up to determine the ecological factors that control phytoplankton production. The industrial zone of the river was observed to have a high standing stock of phytoplankton during the premonsoon (summer), the causative factors of which are discussed.
ISSN:0043-1354
1879-2448
DOI:10.1016/0043-1354(90)90037-7