enquête (1) carte pédologique (1) érosion du sol (1) sol (1) paysage (1) comparaison (1) public (1) Preservation (1) Comparison (1) Maps (1) Maps (1) Soils (1) Soil erosion (1) Reality (1) Maps (1) Landscapes (1) Change (1) Bohemia (Czech Republic) (1) Geophysical surveys (1) Archaeological sites (1) représentation de paysage (1)