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Dynamics of Phytoplankton Community after Formation of Turbid Water in Lake Imha  

Lee, Kyung-Lak (Department of Biology, College of Natural Science, Kyungpook National Univ)
Choi, Jae-Sin (Department of Biology, College of Natural Science, Kyungpook National Univ)
Kim, Han-Soon (Department of Biology, College of Natural Science, Kyungpook National Univ)
Park, Jung-Won (Department of Biology, College of Natural Science, Kyungpook National Univ)
Publication Information
Korean Journal of Ecology and Environment / v.38, no.3, 2005 , pp. 429-434 More about this Journal
Abstract
The dynamics of phytoplankton community after the formatiom of turbidity was assessed at Dam barrage of Lake Imha from May 2003 to July 2004. The maximum turbidity of 1221 NTU during September and October 2003 was well correlated with heavy precipitation caused by Typoon Maemi. A total of 102 phytoplankton taxa was identified and the most abundant phytoplankton group was Bacillariophyceae with 63 taxa, followed by Chlorophyceae with 23 taxa, Cyanophyceae with 9 taxa, 3 taxa each of Synurophyceae and Cryptophyceae and Euglenophyceae with 1 taxon. The total standing crops ranged between 270 indls. $mL^{-1}$ and 4,515 indls. $mL^{-1}$ during the investigation Periods. The three species, Cryptomonas ovata, Cyclotella sp. and Microcystis aeruginosa predominated in sequence after the decrease of turbidity.
Keywords
dominant species; Lake Imha; phytoplankton; turbid water;
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