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Le Hydrobiologiste fait partie du corps de métier : chimie biologie
L’hydrobiologiste est en quelques sortes le médecin des milieux aquatiques. Lorsqu’il repère un symptôme de contamination dans un cours d’eau (couleur de l’eau suspecte, développement anormal d’algues, mortalité soudaine de poissons, etc.), le scientifique se rend sur le terrain pour faire des prélèvements. Ensuite, dans son laboratoire, il analyse les échantillons d’eau pour découvrir, tel un enquêteur, les causes du problème. Une fois le diagnostic établi, il propose des solutions pour améliorer la qualité de l’eau et favoriser le repeuplement des rivières. Soucieux du bon rétablissement de son patient, il suit ensuite l’évolution du programme préconisé. Son travail permet également de contribuer au recensement des pollutions ainsi que des usages et pratiques qui ont un impact négatif sur la faune et la flore aquatique. Dans ses activités, ce spécialiste de la qualité des eaux peut être aidé par une équipe de techniciens en hydrogéologie qu’il coordonne.
Compétences/Qualités nécessaires pour devenir hydrobiologiste
Les formations à suivre pour devenir hydrobiologiste
L’hydrobiologiste est généralement diplômé d’une spécialisée en biologie ou d’un universitaire en biologie ou en sciences de l’environnement. Pour devenir hydrobiologiste dans la fonction publique, il est nécessaire de passer le concours catégorie A, accessible aux titulaires d’un Bac +5. Le poste de technicien en hydrobiologie est lui accessible sur concours de catégorie B, ouvert à partir du Bac +2. Par exemple, le ou le , option génie de l’environnement ou analyses biologiques et biochimiques.
Les débouchés du métier
Les organismes de recherche (INRA, CNRS) et les collectivités locales recrutant dans la fonction publique offrent actuellement peu de place. Les compétences de l’hydrobiologiste sont plutôt recherchées par les agences de l’eau et les bureaux d’études. Ces derniers embauchent des jeunes diplômés sous le statut de techniciens. Il faut alors plusieurs années d’expérience pour atteindre le poste d’ingénieur. A noter : les hydrologistes les plus recherchés sont spécialisés dans le domaine du microscopique (bactéries, micro algues).
Évolution professionnelle de l’hydrobiologiste
Le technicien en hydrobiologie peut évoluer vers des fonctions d’ingénieurs après plusieurs années d’expérience. Dans le cadre de la fonction publique, l’évolution de carrière s’effectue à travers des concours internes.
Le salaire d’un hydrobiologiste
L’hydrobiologiste débutant(e) perçoit en moyenne le smic.