végétation (1) sol (1) papier (1) analyse (1) évolution (1) érosion (1) agriculture (1) distribution (1) méthode (1) Case (1) Agriculture (1) Maps (1) Maps (1) Antiquities, Prehistoric (1) Soils--Classification (1) Soils (1) Soil micromorphology (1) Soil formation (1) Plants (1) Paper (1) Maps (1) Prehistoric peoples (1) Loess (1) Grammar, Comparative and general--Case (1) Field work (1) Evolution (1) Erosion (1) Discussion (1) Character (1) Case (1)