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This paper deals with the distribution of coliform group bacteria and the environmental factors in Suyeong Bay from November 1990 to February 1991. The ranges of environmental factors were as follows : Salinity 16.84~34.93%, Dissolved Oxygen $0.58{\sim}6.79m{\ell}/{\ell}$, COD 0.48~5.06 p...

This paper deals with the distribution of coliform group bacteria and the environmental factors in Suyeong Bay from November 1990 to February 1991. The ranges of environmental factors were as follows : Salinity 16.84~34.93%, Dissolved Oxygen $0.58{\sim}6.79m{\ell}/{\ell}$, COD 0.48~5.06 ppm, Nitrite $0.42{\sim}18.82{\mu}g-at/{\ell}$, Nitrate $0.50{\sim}53.23{\mu}g-at/{\ell}$, Ammonia $3.73{\sim}56.16{\mu}g-at/{\ell}$, Silicate $5.18{\sim}147.29{\mu}g-at/{\ell}$. The coliform group and fecal coliform group ranged $1.1{\times}10^2{\sim}2.4{\times}10^5/100m{\ell}$, $1.7{\times}10{\sim}3.5{\times}10^4/100m{\ell}$ each other. The ratio of TC/FC was 1.73~58.49 during study periods. Among the composition of coliform group, E. coli was dominent(64.4%), which was appeared all studying stations. E. coli I type was accounted for 97.4% in the E. coli.