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STUDY OF THE BACTERIOLOGICAL INDICATORS OF POLLUTION IN THE BASIN OF THE CIRIC RIVER

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Author(s): Siimona Dunca | Marius Stefan | Anca Huma | Alina Gangiu

Journal: Analele Ştiinţifice Ale Universităţii Alexandru Ioan Cuza din Iași,Sectiunea II A : Genetica si Biologie Moleculara
ISSN 1582-3571

Volume: 8;
Issue: 2;
Date: 2007;
Original page

ABSTRACT
To the purpose of assessing the level of bacteriological polllution of the water in the basin of the Ciric river, the study had the following objectives: determination of the probable number of fecal coliforms, fecal streptococci, sulphitereducing clostridia, and identification of the bacteria belonging to the Pseudomonas aeruginosa species and Salmonella genus. The results of the research studies showed fluctuations in terms of number in the hygienic-sanitary groups in all the points examined, even from one harvest period to the other (July and September 2006). The PNFS index exhibited low or even undetectable values in almost all the sampling points examined, while the PNFC/PNFS ratio higher than 4 in most of the points indicated the presence of a human source of water pollution. The water of the Ciric river, in most of the sampling areas and for both sample collection periods, was classified into quality classes III and IV both in terms of total coliforms and fecal coliforms.
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