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.Our studies in rivers are focused on the role of the microbial loop in the ecosystems functioning. In this topic, ESA studies mainly the bacterial processes involved in the biodegradation of organic matter with a special emphasis on the impact of wastewater discharges (treatment plant effluents, combined sewer overflows) on the carbon and oxygen cycles in rivers downstream these discharges. These researches were mainly developed during last years in the scope of a large French research program on the Seine river basin (PIREN Seine program). | ||
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Another part of the research activities of ESA focuses on the importance of microbial loop in rivers systems (Meuse river). |
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Main publications: Servais, P., Gosselain, V., Joaquim-Justo, C., Becquevort, S., Thomé, J.P. & Descy, J.P. 2000. Trophic relationships between planktonic micro-organisms in the river Meuse (Belgium): a carbon budget. Archiv für Hydrobiologie. 149: 625-653. Servais, P., M. Seidl & J.M. Mouchel. 1999. Comparison of parameters characterising organic matter in a combined sewer during rain events and dry weather. Water Environmental Research. 71 : 408-417. Servais, P., J. Garnier, N. Demarteau, N. Brion & G. Billen. 1999. Supply of organic matter and bacteria to aquatic ecosystems through waste water effluents. Water Research. 33 : 3521-3531. Seidl, M., P. Servais, J.M. Mouchel. 1998. Organic matter transport and degradation in the river Seine (France) after a combined sewer overflow. Water Research. 32:3569-3580. Servais, P. & Garnier, J., 1993. Contribution of Heterotrophic Bacterial Production to the Carbon Budget of the River Seine (France). Microbial Ecology 25 : 19-33. George, I., M. Petit, C. Theate &
P. Servais. 2001. Use of rapid enzymatic assays to study the distribution
of fecal coliforms in the Seine river (France). Water Science and
Technology. 43(12) : 77-80
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