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River research: the international scientists protecting the Danube's delicate ecosystems

The Danube is the longest river in the European Union, flowing through 10 countries. What impact do human activities have on this delicate river ecosystem and how can its biodiversity be protected? That is the mission of REXDAN, a multidisciplinary European research project with laboratories on land and on board this ship, the largest of its kind in continental European waterways. Lucian Georgescu, Project Director of REXDAN explains a key part of their activities:

We're looking at the quality of the atmosphere up to fifteen kilometers away; we're looking at the quality of the water, the biota, which means everything that lives from microscopic things to large animals. We want to know what's going on here, what the dangers are for the wider ecosystem.

The Danube Delta is a biosphere reserve. Climate change and human actions are having an impact on the state of its waters, its sediments and all its ecosystems. The European REXDAN project brings together specialists like Stefan Petrea on land and on the water. He studies the stress in 4 sturgeon species, three of which are on the red list.

"Nowadays there are many emerging contaminants, and we don't really know which is their effect on the sturgeon," the REXDAN researcher says. "The goal is to create, complex and integrated analytical framework, which will serve as a decision support tool for the decision makers to adopt proper solution for conservation of those species which are endangered."

In international waters between Ukraine, Moldova and Romania a group of Romanian researchers are taking samples that are analysed in the 9 laboratories on board the boat and in the 9 other REXDAN laboratories at the UGAL University in Galati, in eastern Romania. Among the ten

Read more on euronews.com
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