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Inland navigation

Natural water retention measures and giving room to rivers and other flood risk management measures working with natural processes may influence flow patterns (and erosion-sedimentation processes) during normal conditions and these projects often aim at increasing the biodiversity. This may have an impact on inland water transport (IWT) (PIANC 2009). Measures taken for the benefit of navigation can be divided into (PIANC 2009):

• maintenance measures, like extractive dredging, sediment feeding and management or vegetation maintenance;

• construction measures, like groynes, dikes and revetments, sills and armoured layers, rock blasting, locks and barrages or flow regulation; and

• operational measures, like terminal and port facilities, or river information services.