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Distribution of Heterotropic Bacteria and Physico-Chemical Characteristics in the Chagwi-Do Coastal Waters, Jeju Island  

Moon, Young-Gun (Department of Aquatic Life Medicine, Cheju National University)
Yeo, In-Kyu (Department of Aquatic Life Medicine, Cheju National University)
Heo, Moon-Soo (Department of Aquatic Life Medicine, Cheju National University)
Publication Information
Korean Journal of Environmental Biology / v.25, no.4, 2007 , pp. 336-341 More about this Journal
Abstract
To investigate the variations of physico-chemical factors and microbial population, in ten stations at water region of coastal area of Chagwi-Do, Nutritive salts, water temperature, transparency, suspended solid, salinity, COD, DO, pH, heterotrophic bacteria, were analysed three times in September, November in 2004 and February in 2005. Heterotrophic bacteria in surface water was $3.5\times10^1\sim1.16\times10^3\;cfu\;mL^{-1}$, $0.4\times10^1\sim5.6\times10^1\;cfu\;mL^{-1}$, $0.4\times10^1\sim7.8\times10^1$ and bottom water counted $4.5\times10^1\sim1.0\times10^3\;cfu\;mL^{-1}$, $1.2\times10^1\sim1.5\times10^2\;cfu\;mL^{-1}$, $0.4\times10^1\sim4.4\times10^1\;cfu\;mL^{-1}$ in September, November 2004 and February 2005, respectively. The dominant species isolated from the coastal area of Chagwi-Do were identified to be Vibrio spp., Pseudoalteromonas spp. Psuedomonas spp, Bacillus spp., Alteromonas spp., Aeromonas spp., Psychrobacter spp., and Flavobacterium spp.
Keywords
Heterotrophic bacteria; COD; surface water; bottom water; Chagwi-Do;
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