PHYTOPLANKTON PRODUCTIVITY IN PAHUJ RESERVOIR, UTTAR PRADESH
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Authors
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SURAJIT K. BANIK
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A. K. DAS
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A. WANGANEO
Abstract
Pahuj, a small reservoir, located at Jhansi in Uttar Pradesh, India was investigated during May 2007 to April 2009 for its phytoplankton productivity. The gross primary production (mg C m-2 d-1) was higher (8633) in 2007-08 than in 2008-09 (8159), but the net primary production was slightly higher during 2008-09 (5824) than in 2007-08 (5620). Physico-chemical features of water in this reservoir revealed that the reservoir is highly productive. Water pH was 7.52, average total alkalinity was 134 mg l-1 and average specific conductivity was 324 µS cm-1 along with high values of dissolved oxygen, total hardness, calcium and phosphate-P.
Key words: Pahuj reservoir, primary productivity, physico-chemical parameters.
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