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http://dx.doi.org/10.7745/KJSSF.2012.45.6.882

Characteristics of Water Quality at Main Streams and Lake Doam in Daegwallyeong Area  

Park, Kyeong-Hun (Microbial Safety Team, National Academy of Agricultural Science)
Kim, Byeong-Seok (Microbial Safety Team, National Academy of Agricultural Science)
Yun, Hye-Jeong (Microbial Safety Team, National Academy of Agricultural Science)
Ryu, Kyoung-Yul (Microbial Safety Team, National Academy of Agricultural Science)
Yun, Jeong-Chul (Microbial Safety Team, National Academy of Agricultural Science)
Choi, June-Yeol (Crop Environment Research Division, National Institute of Crop Science, RDA)
Kim, Ki-Deog (Highland Agriculture Research Center, National Institute of Crop Science, RDA)
Jin, Yong-Ik (Highland Agriculture Research Center, National Institute of Crop Science, RDA)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.45, no.6, 2012 , pp. 882-889 More about this Journal
Abstract
This study was surveyed that water physiochemical characteristics and phytoplankton incidence of main stream and Lake Doam near to Daegwallyeong agricultural area. Based on above results, it was conducted to get information overall water characteristics in south Han upstream river. COD value of Lake Doam was $6.1mg\;L^{-1}$ and T-P (Total phosphorous) from there was $0.26mg\;L^{-1}$ which was higher than the value of grade VI based on lake water living environment standard. Suspended solid was an average of 9.77 NTU which was higher than value of lake living standard. Concentration of phytoplankton was over $2.0{\times}10^3Cell\;mL^{-1}$ from July to September. It was considered that cyanobacteria were occurred due to massive influx of nutrient material by high temperature and rainfall during this season. Compare to Ontario's sediment quality guidelines, T-N and T-P was middle value between LEL and SEL in Lake Doam. This value means that contamination in water is serious. Therefore, it is considered that systematic management was needed to reduce and block contamination source.
Keywords
Water quality; Phytoplankton; Daegwallyeong; Lake Doam;
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Times Cited By KSCI : 7  (Citation Analysis)
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