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Waterquality Characteristics and Ecosystem Health Assessments Using a LEHA Fish Model in Shingu Reservoir  

Lee, Jae-Yon (School of Bioscience and Biotechnology, Chungnam National University)
Lee, Sang-Jae (School of Bioscience and Biotechnology, Chungnam National University)
Han, Jung-Ho (School of Bioscience and Biotechnology, Chungnam National University)
Lee, Eui-Hang (School of Bioscience and Biotechnology, Chungnam National University)
Choi, Ji-Woong (School of Bioscience and Biotechnology, Chungnam National University)
Hwang, Soon-Jin (Department of Environmental Science, Konkuk University)
An, Kwang-Guk (School of Bioscience and Biotechnology, Chungnam National University)
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Abstract
For this study, we collected fishes of four times at the four site during June 2006 ${\sim}$ September 2007. In the result, the tolerance and omnivore species like a Carassius auratus and Pseudorasbora parva were largely dominated over all, and the sensitive species was not appeared at all except S4 in Shingu reservoir. This reservoir was appeared the simplified of trophic guild was shown in Shingu reservoir. Demonstrating that the omnivore species was occupied 78% of whole. According to the water chemistry data set obtained from the Korea Rural community & Agriculture corporation during $2002{\sim}2005$, the Shingu reservoir showed severe eutrophication and water pollution, therefore the increase of primary production and frequent algal blooms had been occurred. On the other hand, ecosystem health of reservoir was appeared "Fair${\sim}$Poor", and we judged that eutrophication and water pollution were due to this. Consequently, we thought that interception of nutrients and organic matters from the farmland and village and management of reservoir would be need, after this.
Keywords
ecosystem health; fish; agricultural reservoir; eutrophication;
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