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Etude au microscope electronique a balayage des relations entre bacteries et matieres en suspension en milieu marin ArchiMer
Cormier, M; Bassoulet, P; Pommepuy, Monique.
Near outfall areas numerous bacteria appear associated to colloidal organic matter present in littoral sea water. Arrangements into colonies are shown. Surface structures are observed which allow bacteria's attachment each to other and to organic matter.
Tipo: Text Palavras-chave: Bacteria; Outfalls; Electron microscopy; Flocculation; Colloids; Adhesion; Suspended particulate matter.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-966.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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