SEASONAL VARIATIONS IN PHYSICO-CHEMICAL PARAMETERS OF MARINE AQUAFARM AT KARANGUDA, THANJAVUR DISTRICT, TAMIL NADU

The water samples were collected from commercial marine aquaculture pond at Karanguda, Thanjavur district, Tamil Nadu. Pond water was monitored at monthly intervals from April to September 2009. The data measured from different seasons showed seasonal variations with respect to temperature (29-34 de...

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Bibliographic Details
Published inJournal of ecotoxicology & environmental monitoring Vol. 21; no. 1; p. 47
Main Authors Ravichelvan, R, Ravichandran, R, Amsath, A
Format Journal Article
LanguageEnglish
Published Palami Palani Paramount Publications 01.01.2011
Subjects
India, Tamil Nadu, Thanjavur
India, Tamil Nadu
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Summary:The water samples were collected from commercial marine aquaculture pond at Karanguda, Thanjavur district, Tamil Nadu. Pond water was monitored at monthly intervals from April to September 2009. The data measured from different seasons showed seasonal variations with respect to temperature (29-34 degree Celsius), turbidity (40-55 cm), pH (7.6-8.4), dissolved oxygen (4.2-6.9 ml/lit), carbon-dioxide (0.04-0.08 ml/lit), salinity (25-34 ppt), total hardness (147-160 mg/lit), calcium (76-98 mg/lit), magnesium (108-135 mg/lit) phosphate (0.112-0.180 mg/lit), silicate (50-56 mg/lit), ammonia (0.05-0.09 mg/lit) and nitrate (0.5-0.8 mg/lit). Temperature, pH, salinity, carbon-di-oxide, total hardness, magnesium, calcium, phosphate and nitrate were found to be maximum in the period of summer. Turbidity, dissolved oxygen, silicate and ammonia were recorded maximum during monsoon.
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ISSN:0971-0965