]> 2026-04-19T13:43:55+00:00 Phosphates 0 en Phosphates Case study:River Adur - Shipley weir removal 500 en River Adur - Shipley weir removal Case study:River Witham Great Ponton 500 en River Witham Great Ponton Physico-chemical quality motivation 102 en Physico-chemical quality motivation