Christophe MOIROUD is an environmental expert specializing in hydrosystems, Doctor of Science "applied biology" at the University of Savoie. He joined the CNR in 1996. He has extensive experience in the design and monitoring of restoration work for watercourses and hydraulic annexes. Its specialized expertise in specific areas such as the restoration of watercourses, methods of treatment of invasive exotic plants, hydromorphological development in rivers is implemented on the Rhône and other rivers, lakes and lakes. It is recognized in international organizations, such as the World Association for Maritime and River Transport Infrastructure (PIANC).