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The ICPDR is pleased to share a first glimpse into the microbiological findings emerging from the Joint Danube Survey 5 (JDS5) — the world’s largest river basin monitoring programme carried out on a single river system. While full results will only be available once all samples from the 108 sampling sites have been analysed, early data from the microbiology component show encouraging trends across the entire Danube Basin.

A remarkable discovery has been made in the Drava River: an angler in Croatia recently caught a ship sturgeon (Acipenser nudiventris), a species long believed to be extinct in the Danube River Basin. Measuring 176 centimetres and weighing 35 kilograms, the fish was safely released back into the river after being identified by local authorities. The sighting is encouraging as it marks the first confirmed record of the species in many decades.

Bucharest, Romania – Nine countries along the Danube River have joined forces to protect some of Europe’s most endangered species: the sturgeons. On 9–10 July, thirteen project partners and strategic allies – including national ministries, universities, NGOs and research bodies – gathered in Bucharest to launch “MonStur in the Danube,” a new cross-border effort to monitor and protect these ancient migratory fish.

The 5th Joint Danube Survey (JDS5) has reached a significant milestone by incorporating citizen science into its outreach activities for the first time. Under the Motto "Let's Go Sampling Together", this activity Coordinated by the Joint Research Centre (JRC) of the European Commission and supported by the International Commission for the Protection of the Danube River (ICPDR), engaged schools across the Danube Basin in a collaborative effort to monitor and protect the river's ecological health.

On 7 July 2025, the Vienna International Centre’s Rotunda came to life with creativity, collaboration, and a shared appreciation for one of Europe’s most iconic rivers. Under the title “Surface & Substance: Exploring the Danube Through Science and Art,” the ICPDR launched a special week-long exhibition celebrating the power of both scientific investigation and artistic expression in protecting the Danube.

The Joint Danube Survey 5 (JDS5), the world’s most comprehensive investigative surface-water monitoring effort, will officially kick off on 1 July 2025 in Vienna. This large-scale scientific survey will bring together experts from 14 countries to assess the health of the Danube River and its major tributaries.

The new Bathing Water Report published at the beginning of June by the European Environment Agency (EEA) and the European Commission (EC) reveals that the quality of Europe’s bathing waters has improved dramatically in recent decades. According to European Union standards that classify the waters as “excellent”, “good”, “sufficient” or “poor”, almost 85% of the European bathing sites now ranks as “excellent”.

Vienna, 28 October 2018 (Press Release) - Ten countries along the Danube (Germany, Austria, Slovakia, Slovenia, Hungary, Croatia, Serbia, Romania, Bulgaria and Ukraine) join forces in an EU-funded project to conserve endangered migratory fish species in the Danube river basin by identifying and improving access to habitats and promoting the establishment of ecological corridors.

Vienna, 10 July 2018 (Press Release) - An international event took place on 9th and 10th July in Vienna within the framework of the Austrian Presidency of the EU. In attendance were 50 experts from national administrations, EU and international institutions, academia and NGO representatives, who can all potentially provide the long-term framework of action indispensable for the conservation of sturgeon stocks in Europe.

With its Sturgeon Strategy, adopted in December at the ICPDR Ordinary Meeting (now available for download), the ICPDR is contributing to the effort ensuring the survival and recovery of sturgeons in the Danube River Basin. A first follow-up step is the organization of a Sturgeon Conference under the upcoming Austrian EU Presidency next July in Vienna. The event is organized jointly by the ICPDR and the Austrian Federal Ministry for Sustainability and Tourism (BMNT).