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UNIVERSITE D'ANTANANARIVO Faculté des Sciences - Thèses ...

UNIVERSITE D'ANTANANARIVO Faculté des Sciences - Thèses ...

UNIVERSITE D'ANTANANARIVO Faculté des Sciences - Thèses ...

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I MONOGRAPHIE DE LA REGION DE MAHANORO _______________________________I -1 LOCALISATION DE MAHANORO ____________________________________________I-2 CONTEXTE HYDROGEOLOGIQUE DE MAHANORO____________________________I-2-1 Situation géologique ________________________________________________________I-2-2 Recharge <strong>des</strong> couches aquifères _______________________________________________I- 2 –3 Les sites de prélèvement ____________________________________________________CHAPITRE III : ETUDES QUALITATIVES DES EAUX DE PUITSET CELLES AU NIVEAU DES MENAGESI- ANALYSE DES EAUX _________________________________________________________I-1 ECHANTILLONNAGE _______________________________________________________I-2 CHOIX DES PARAMETRES ___________________________________________________I-2-1 Les principes d’analyse ______________________________________________________I-2-1-1 Analyse physico-chimiques _________________________________________________I-2-1-2 Substances indésirables ____________________________________________________I-2-1-3 Paramètres microbiologiques _______________________________________________I-3 RESULTATS DES ANALYSES ET INTERPRETATION ____________________________I-3-1 Les résultats <strong>des</strong> analyses physico-chimiques _____________________________________I-3-1-1 Discussion _______________________________________________________________I-3-2 Résultats <strong>des</strong> analyses bactériologiques _________________________________________II- RESULTATS DE L’ENQUETE AUPRES DES MENAGES_________________________II-1 INTERPRETATION _________________________________________________________CONCLUSION GENERALE ET PERSPECTIVE ____________________________________GLOSSAIREANNEXE212222242427343436363839393944536068703

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