Between April 17th and May 6th, eleven scientists from Austria, Germany, Switzerland and Albania went on an expedition to collect data on biodiversity as well as ecosystem functions for the entire Vjosa river network. With great effort, 300 river kilometers were sampled by use of the most state-of-the-art methods and equipment. During this expedition – led by Dr. Gabriel Singer of the Leibniz-Institute of Freshwater Ecology and Inland Fisheries in Berlin – the Vjosa’s exceptional value was confirmed once more: