Reclaiming ecological continuity

Removal or leveling of sills, weirs, and other structures in watercourses; improvement or creation of crossing devices for aquatic fauna (fish passes, etc.), ...

Excluded are temporary or fusible construction works, the demolition of structures as part of a broader road traffic improvement operation, the removal of loose materials, dredging, actions directly and substantially related to floods or the protection of property and people, recurring maintenance actions...