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KMID : 0364819870250040318
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Korean Journal of Microbiology
1987 Volume.25 No. 4 p.318 ~ p.327
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Numerical Analysis of Heterotrophic Bacterial Community in the Sudong Stream
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Choi Sung-Chan
Kim Sang-Jong
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Abstract
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1
Taxonomic composition and diversity were examined by statistical a aalysis for bacterial communities is surface waters of the Sudong Stream, a tributary of North Han River. For total 282 bolates, Flavobacterium, Aeromonas and Fa>aob one was identified by the deterministic schema as a major group above 50% of total isolates to all sampling dies. Morphological, biochemical and physiological characteristics were numerically analyzed for bacterial isolates from each site and clustered into 15-28 groups. Not all statistically clustered groups were identical to the groups derived from deter_ mirbtic identitkation. Fapedaly, cooddent relationship was not found is dendrogams for the groups with each a sink strain which has peculiar sugar-degrading activity. At a level of 88% similarity, bacterial diversity (H) was ranged as 2.37-3.14, and it was suggested that the research area was olgotrophic-mesotrophic status. Regional distribution of bacterial community was moat heterogeneous at the site where large input of alochtbonous materials or bacteria were occurred. And that was the dgnificant factor for the compositions of bacterial communities in the Sudoag Stream.
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