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Bivalves: Indicateurs de pollution microbienne des eaux littorales ArchiMer
Plusquellec, A; Beucher, M; Legal, Y.
Sea water and mussels from a natural site (Concarneau - France) have been compared for fecal contamination by enumeration of their fecal Coliform and fecal Streptococci content. Mussels contain a significant concentration of bacteria, although this concentration differs for the two indicators. Enumeration of fecal Streptococci in bivalves leads to a reduction of the variability observed in sea water. Mussels allow a more efficient assessment of Salmonella in the marine environment than sea water itself.
Tipo: Text Palavras-chave: ANE; France; Brittany; Concarneau Bay Salmonella Mytilidae Bivalvia Streptococcus Tidal currents Bioaccumulation Marine pollution Sea water Bacteria Pollution indicators Pollution detection Microbial contamination Indicator species.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1005.pdf
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Mise en evidence et evaluation de l'enrichissement bacterien du film de surface des eaux littorales d'effluents urbains ArchiMer
Beucher, M; Plusquellec, A; Legal, Y; Cleret, J.
Sea water samples were collected in the vicinity of urban non-treated, urban treated and industrial outfalls. The samples belonged to two differents types: the first one consisted of the surface film, the second was the corresponding water at 50 cm depth. The enumeration of the bacteria in both types of samples indicated a significant concentration of the mesophilic flora and of the indicators of fecal pollution in the surface film. The value of the concentrating factor depended largely on the nature of the sewage and did not reflect differences between the various bacterial groups. At one of the stations a very significant regression was demonstrated between surface sample and depth sample.
Tipo: Text Palavras-chave: Bacteria; Bacteriology; Bacterial counters; Industrial wastes; Pollution indicators; Coastal waters; Microbial contamination; Indicator species; Sewage; Outfalls; Surface films.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1006.pdf
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