zinc (1) zone urbaine (1) érosion du sol (1) spectacle (1) fleuve (1) métal (1) débit (1) érosion (1) environnement (1) ordre (1) taux (1) Forms (1) Minerals (1) Zinc (1) Water (1) Variations (1) Urbanization (1) Streamflow (1) Soil erosion (1) Science (1) Rivers (1) Pollutants (1) Phyllosilicates (1) Order (1) Nature and nurture (1) Matter (1) Example (1) Euthenics (1) Erosion (1) Ecology (1)