espèce (1) sédiment (1) région (1) pollen (1) papier (1) lixiviation (1) affectation des sols (1) lac (1) histoire (1) analyse (1) céréale (1) forêt (1) érosion (1) effet (1) climat (1) charbon de bois (1) captage (1) History (1) Surveys (1) Weathering (1) Surveys (1) Species (1) Signs and symbols (1) Signs and signboards (1) Records (1) Pollen (1) Paper (1) Neolithic period (1) Leaching (1) Land use (1)