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Water Quality and Phytoplankton in the Waters of Anmyondo Ggot-jee Swimming Beach (안면도 꽃지해수욕장 수질 및 식물플랑크톤)

  • Yeo, Hwan-Goo
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.1
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    • pp.451-455
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    • 2012
  • Physicochemical water conditions and phytoplankton were investigated at Ggot-jee beach in Anmyondo, summer season of 2011. COD were sometimes recorded higher than 5.0mg/l and SS were always over 40mg/l. DO, pH and salinity were stable generally but low salinity was affected by heavy rainfall. In spite of relatively high concentrations of chlorophyll and phytoplankton standing stocks, discolored water phenomena(green or red tide) had not been occurred. A few dinoflagellate species were dominated in June and July, but general diatoms were dominant species of phytoplankton community in August. Escherichia coli concentrations were higher in August(>400CFU/100ml) than in July but it's not the level of hygienic problem.