The “Master Plan Migratory Fish Rhine” (ICPR report no. 179, <link http: www.iksr.org>www.iksr.org) indicates how self-sustaining, stable populations of migratory fish can again be settled in the Rhine catchment within reasonable time and at reasonable costs.
This reports summarizes the implementation progress of the "Master Plan Migratory Fish" during 2010 to 2012.
Between 1990 and end 2012, more than 6,900 adult salmon were counted returning from the North Sea to their spawning waters in the Rhine tributaries.