Development and spatialization of a soil potential multifunctionality index for agriculture (Agri-SPMI) at the regional scale. Case study in the Occitanie region (France)

•We developed a soil potential multifunctionality index for agriculture (Agri-SPMI).•We applied it using the french soil survey database at 1:250,000 scale.•Soils with the best scores of the production service are mainly occupied by field crops.•The framework is transferable to other scales, soil contexts or ecosystem services.