tendance (1) temps (durée) (1) test (1) ruissellement de surface (1) état (1) société (humaine) (1) fleuve (1) affectation des sols (1) hydrologie (1) analyse (1) abords (agglomération) (1) Interviews (1) Nineteen nineties (1) Water-supply (1) Water (1) Time (1) Surfaces--Areas and volumes (1) Streamflow (1) Soybean (1) Series (1) Pastures (1) Land use (1) Interviews (1) Hydrology (1) Hydrologic cycle (1) Farmers (1) Days (1) Communities (1) Climatic changes (1) Agriculture--Economic aspects (1)