additional resources for specific activities under the workprogramme have been raised by the isrbc secretariat from the european commission and the international donor community in this regard a set of activities for the rehabilitation of the sava river waterway and the development of navigation a priority issue have been implemented and relevant work is ongoing while navigation is important for the economic development in the basin the interventions in the watercourse for rehabilitation of navigation and the construction of related hydroengineering structures may become additional pressure factors the sava river basin analysis report was developed as a first step towards this direction