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http://dx.doi.org/10.5322/JES.2002.11.3.183

Effect of metals(Cd & Zn) and its nitrogen compounds on growth of bacteria isolated from the three tributaries and lower reach(Mulgum) of the Nakdong River  

Park, Jae-Rim (Dept. of Environmental Science, Silla University)
Son, Yeon-Ju (Dept. of Environmental Science, Silla University)
Ha, Kyung (Dept. of Environmental Science, Silla University)
Park, Joong-Chul (Dept. of Chemistry, Silla University)
Publication Information
Journal of Environmental Science International / v.11, no.3, 2002 , pp. 183-189 More about this Journal
Abstract
Investigation was carried out to observe the dominant bacteria and the effect of metals(Cd & Zn) and its nitrate compound on growth of bacteria isolated from the three tributaries and lower reach of the Nakdong River. Mean CFU(log$_{10}$) level was highest in Kumho River(8.30 CFU), Nam River, Hwang River, and Mulgum followed. Staphylococcus xylosus, Staph. lentus, Pasteurella pneumotropica, Aeromonas hydrophilla were dominant species in each study site. Cadmium powder and Zinc powder showed strong effect to inhibit the growth of Micrococcus spp., Pasteurella pneumotropica, Aeromonas hydrophilla. But, nitrate compounds of Cd and Zn(Cd(NO$_3$)$_2$4$H_2O$, Zn(NO$_3$)$_2$6$H_2O$) did not clearly show the strong effect to inhibit the growth of dominants.s.
Keywords
bacteria; Cd; Nakdong River; Staphylococcus lentus; Zn;
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