Development (2) Poverty (2) Irrigation (2) vallée (1) espèce (1) eau fluviale (1) fleuve (1) pauvreté (1) participation (1) paysage (1) irrigation (1) géographie (1) public (1) The Valley (1) Sud (1) Département du Nord (1) Government policy (1) Claims (1) Area (1) Area (1) Non-governmental organizations (1) Water-supply (1) Water (1) State, The (1) Species (1) Social problems (1) Social change (1) Scientists (1) Science (1) Rural development (1)