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Algae > Volume 5(2); 1990 > Article
Algae 1990;5(2): 173-191.
An Assessment of Water Quality by Epilithic Diatoms of Namchun Water-System
Jae-Sin Choi, Jun Chung
Department of Biology, Kyungpook National University
The diatom communities in the Namchun water-system, a polluted stream in vicinity of Taegu. were surveyed in May, July, and September, 1986. Water quality was estimated by using new diatom community index to organic water pollution (NDCI). The total diatoms identified in this study were 80 taxa. which could be classified as 8 tolerant taxa, 42 indifferent taxa, and 30 intolerant taxa. River pollution index (RPI sub(D)), of which value indicates general degree of the pollution of water system, was 50.7. The value was not particularly good.
Key words: Namchun, new diatom community index, river pollution index

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