puits (1) ligne de partage des eaux (1) biosphère (1) eau de surface (1) pollution atmosphérique (1) azote (1) nitrate (1) affectation des sols (1) analyse (1) agriculture (1) contamination (1) production végétale (1) abords (agglomération) (1) Sutton (1) Lisbonne (1) Area (1) Agriculture (1) Scenarios (1) Area (1) Threats (1) Social sciences (1) Science (1) Scenarios (1) Plots (Drama, novel, etc.) (1) Nitrogen (1) Must (1) Motion picture plays (1) Modeling (1) Land use (1) Fertilizers (1)