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Assessment of three methods for detection and quantification of nitrite-oxidizing bacteria and Nitrobacter in freshwater sediments (MPN-PCR, MPN-Griess, immunofluorescence)

C. Feray ; B. Volat ; V. Degrange ; AL Et | 1999

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Impact of wastewater treatment plant discharge on enzyme activity in freshwater sediments

B. Montuelle ; B. Volat ; CEMAGREF LYON QELY | 1998

The biological self-purification processes are a central point for the ecological states of rivers. The degradation efficiency of pollutants is mainly due to the microflora and can be detected with enzyme activity tests. Extracellular-enzyme act[...]

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