Regional natural habitats 2009 (North - Pas-de-Calais)

Regional Geographic Database of Natural Habitats 2009. File corresponding to the natural habitats resulting from the photo-interpretation of the 2009 aerial missions on the territory of the Nord-Pas-de-Calais region, created as part of the INTERREG IV A 2 Seas cross-border cooperation project: ARCH "Assessing Regional Changes to Habitats".