SEARCH (into this site) - Integrated project Trebbia, co-financed by the U.E. with LIFE Natura funds and facing to realize some interventions of exemplary nature in three SCI of the average (middle) Val Trebbia (Piacenza,Italy). Particularly a passage for fishes has been realized, a damp biotopo for the amphibians and various interventions of bioengineering and of forest improvement.