Geographical information system ; Geotechnics ; Italy ; Land use ; Landslide ; Marche (Italy) ; Model ; Multivariate analysis ; Natural hazards ; Spatial distribution ; Statistics ; Umbria
over test areas in Central Italy, ranging in size from some tens to some thousands of square kilometers, and outline the potentials and pitfalls of the approach. In the light of the results obtained, data quality, type of terrain-unit and statistical