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http://dx.doi.org/10.4491/KSEE.2013.35.12.943

Characteristics of Cyanobacterial Occurrence and Concentration Distribution of Cyanotoxins in Hoeya Reservoir  

Choi, Young Ah (Water Research Institute of the Ulsan City)
Han, Nan Sook (Water Research Institute of the Ulsan City)
Lim, Eun Gyoung (Water Research Institute of the Ulsan City)
Kim, Young Min (Water Research Institute of the Ulsan City)
Choun, Chang Jae (Water Research Institute of the Ulsan City)
Lee, Byoung Ho (Civil and Environmental Engineering, University of Ulsan)
Publication Information
Journal of Korean Society of Environmental Engineers / v.35, no.12, 2013 , pp. 943-952 More about this Journal
Abstract
Algae blooms have soared recently in the lakes across the nation due to eutrophication. Blue-green algae cause unpleasant scene, produce taste and odor problem, and hinder processes in drinking water treatment. Algae toxicity monitoring has been strengthened, because the damages of wild lives and livestocks by algal toxins have been reported. Investigation on the characteristics of cyanobacterial occurrence and concentration distribution of Cyanotoxins in Hoeya reservoir have been conducted. Physical and chemical influences of water environment on cyanobacterial occurrences have also been studied. Movements of four species of Microcystin and five species of Anatoxin-a among Cyanotoxins were observed by LC-MS/MS analysis. Microcystis spp. among the cyanobacteria have mainly dominated in the Hoeya reservoir during the investigating period. The density of cyanobacteria were positively correlated with temperature and pH of water. Highest concentrations of Microcystin-LR and Microcystin-RR were $0.424{\mu}g/L$ and $0.117{\mu}g/L$ at the sampling points. Total concentration of Cyanotoxins in water coming into the water treatment plant was $0.182{\mu}g/L$, and they were not detected in treated water.
Keywords
Cyanobacteria; Eutrophication; Cyanotoxin; Environmental Influence; Water Treatment Plant;
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Times Cited By KSCI : 4  (Citation Analysis)
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