Evolution of ARCH hedges between 2009 and 2013 in the Northern and Pas-de-Calais territories

Geographic database of hedgerows 2009 and 2013. File corresponding to the hedgerows resulting from the photo-interpretation of the 2009 and 2013 air missions on the territories of Nord and Pas-de-Calais, created as part of the INTERREG IV A 2 Seas cross-border cooperation project: ARCH (Assessing Regional Changes to Habitats).