Bacteriological quality of Finnish river
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Niemi, J. S. ;Niemi, R. M. ;Malin, V. ;Polkolainen, M.-L.
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Article
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1997
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John Wiley and Sons
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English
โ 159 KB
Long-term trends in the bacteriological quality of Finnish rivers and lakes were investigated on the basis of some 64,000 observations of thermotolerant coliform bacteria (ThC) and 147,000 observations of fecal streptococci (FS) carried out in 1963-1993. Annual medians of ThC and FS were calculated