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Detection and quantification of microcystins from cyanobacteria strains isolated from reservoirs and ponds in Morocco
The screening of bloom‐forming and microcystin producer cyanobacteria strains in these fresh water bodies leads us to propose the need for the establishment of a survey of cyanob bacteria and a cyanotoxin‐monitoring program in Morocco.
Resistance patterns of E. coli strains isolated from domestic sewage before and after treatment in both aerobic lagoon and activated sludge
Dynamics of non-O1 Vibrio cholerae and fecal coliforms in experimental stabilization ponds in the arid region of Marrakesh, Morocco, and the effect of pH, temperature, and sunlight on their…
The spatial-temporal dynamics of non-O1 Vibrio cholerae numbers at a stabilization pond treatment plant confirmed the inverse behaviour of the two bacterial groups noted in the stabilization ponds, and appeared to be less sensitive to sunlight than E. coli whose survival was markedly reduced particularly during summer periods.
A microcosm study of the survival of Escherichia coli and Salmonella typhimurium in brackish water
Abundance and antibiotic resistance of non-O1 Vibrio cholerae strains in domestic wastewater before and after treatment in stabilization ponds in an arid region (Marrakesh, Morocco)
The abundance and antibiotic resistance of non-O1 Vibrio cholerae strains were studied in wastewater before and after treatment in stabilization ponds in an arid Mediterranean climate and high ampicillin, amoxicillin and mezlocillin resistance was observed at all sampling points.
Isolation and characterization of wastewater sand filter actinomycetes
Findings indicate the potential involvement of antagonistic actinomycetes in the removal of wastewater-associated pathogens.
Harmful cyanobacterial toxic blooms in waste stabilisation ponds
There is evidence that toxic picocyanobacteria blooms occurring in wastewater stabilization ponds of Marrakesh, could have harmful repercussions on zooplanktonic, bacteria and other algae communities and this will constitute a possible hindrance for sewage self-purification process and system treatment performance.
Antibiotic resistance and survival of faecal coliforms in activated sludge system in a semi-arid region (Beni Mellal, Morocco)
The treatment of sludge in drying beds appeared to be efficient in eliminating pathogenic micro-organisms: FC, protozoan cysts and helminth eggs and the FC antibiotic resistance did not change over time in sludge-drying bed.
Effect of microalgae growing on wastewater batch culture on escherichia coli and vibrio cholerae survival
- N. Mezrioui, B. Oudra, K. Oufdou, L. Hassani, M. Loudiki, J. Darley
- Engineering, Biology
- 1 October 1994
The Cyanobacteria blooms, associated with a weak percentage of Chlorella abundance, occurring periodically during summer in sewage stabilization ponds of Marrakesh, will be considered as one of the major factors leading to high levels of V. cholerae and low abundances of fecal coliform bacteria during the hot period.
Dynamics of Picoplankton and Microplankton Flora in the Experimental Wastewater Stabilization Ponds in the Arid Region of Marrakech, Morocco and Cyanobacteria Effect on Escherichia coli and Vibrio…
The technique of stabilization pond treatment appears to be a good choice due to its simple management and its satisfactory level of treatment.