Average metal concentrations (µg g⁻¹), calculated metal deposition per surface unit (µg cm⁻² y⁻¹) and estimated total accumulated metals in the different zones of the Schelde estuary (10³ kg y⁻¹).

The average estimated sedimentation rate (kg m−2 y−1) and total surface for the marshes (in 2012) and expected future areas displayed.