The soil map of Italy: a hierarchy of geodatabases, from soil regions to sub-systems

This paper is aimed at showing the organization of the national soil information system managed by the Agriculture Research Council of Italy (Soil Information System of Italy, SISI). The available soil geodatabases for the whole of Italy are those of the soil regions (1:5,000,000), subregions (1:1,000,000), and systems (1:500,000), while the soil subsystems geodatabase (1:250,000) is available for most part of Italy.