In Normandy, bocage hedges cover 170,000 kilometers. In the Pays de Bray alone, in the north of Seine-Maritime, 90 kilometers have disappeared in 20 years.
The Arques Watershed Union (SMBV Arques) has been providing technical and financial assistance to individuals, communities and farmers to reappear 35 kilometers of hedgerows in the landscape. The union's project managers wanted it to be participatory by inviting around fifty students from two classes of SEGPA (Adapted general and vocational education section)