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KMID : 0615219810060010021
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Journal of Kwangju Health
1981 Volume.6 No. 1 p.21 ~ p.36
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Studies on the Water Pollution in Yeong San River
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류일광
이치영/김병환/강영식
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Abstract
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Water quality of Yeong San River was examined for 3 months from October 1. 1980 to December 1. 1980. For checking the water quality, 6 sampling positions were selected.
The results we obtained are as follows.
1. The average for Yeong San River was 6.9∼7.6 of pH, 0.2∼7.3 ppm of Biochemical oxygen demand (BOD), 9∼236 ppm of Suspended solid (SS), 3.04∼1.59.26. ppm of Total Phosphate, 0.7∼24.62 ppm of Total. Nitrogen.
2. The phytoplankton identification in this survey period showed Cyanophyceae is 7 genera 9 species, Bacillariophyceae 14 genera 25 species and Chlorphyceae 21 genera 26 species: total 42 genera 60 species.
3. The results of biological water analysis were as follows: st. 1 was α msosaprobic and st.2 seemed to be oligosaprobic. St.3 was from α-mesosaprobicto β-mesosaprobic and st. 4 seemed to be β-mesosaprobic.
St.5 was from β-mesosaprobic to oligosaprobic and st.6 seemed to be β-mesosaprobic.
4. To appear dominat algea there were Microcyctis, oscillatoria, Anabaena, Melosira, Nitzschia and Synedra.
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