Une Mesure globale De La toxicite pour les bacteries marines par microscopie en epifluorescence (a measure of toxicity to marine bacteria using epifluorescence microscopy)

Abstract

Epifluorescence microscopy has been used to measure toxic effects using natural populations of bacteria in seawater. The procedure requires an 8 hours incubation after which samples are formol‐fixed for delayed microscopic determination of the “viable”; counts. The method relies on a more significant portion (15–20%) of the flora than with colony formation. Its sensivity to some mineral and organic pollutants is reported.