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The EU Strategy for the Danube Region (EUSDR) is an essential framework that strengthens cooperation and supports existing institutions in the Member States for the effective implementation of EU legislation. Recognizing the significance of the Danube River and its basin, the EUSDR fosters collaboration among the countries within the region to address common challenges and achieve shared objectives. By promoting integrated approaches, the EUSDR aims to enhance economic, social, and environmental development while preserving the unique natural and cultural heritage of the Danube region.

The EU Strategy for the Danube Region (EUSDR) strengthens cooperative frameworks and supports existing institutions that help Member States to implement EU legislation. Close cooperation with the ICPDR with its experience and mandate in water management is therefore very important. ICPDR and EUSDR coordinate their activities to utilise synergies.

daNUbs was a mulitnational EU research project carried out under the leadership of the Technical University of Vienna. The results from this project include estimates of nutrient inputs into the river network (MONERIS), as well as an assessment of the loads of nitrogen, phosphorus and silica transported via the river network. These results indicate that the nutrient status in the Black Sea has significantly improved since the 1980s.

The nutrient levels, notably phosphorus and nitrogen, found in the Danube River and its major tributaries hold significant international importance. This is because they directly contribute to the phenomenon of eutrophication in both the river itself and the Black Sea. Historical trend analysis of nutrient river loads over the past decades shows a significant reduction in the transported nutrient fluxes to the Black Sea. Overall nutrient emissions declined by 30% (nitrogen) and 50% (phosphorus) in the last 15 years. However, the current long-term fluxes are still considerably higher than those of the early 1960ies which represent river loads under low pressures, indicating a further load reduction potential that might be exploited for the benefit of the Black Sea. Nevertheless, in the last 5-10 years the measured loads are rather low and close to the Black Sea targets indicating significant water quality improvement.