1. UMR ESE, Ecology and Ecosystem Health, Agrocampus Ouest INRA Rennes France
2. Management of Diadromous Fish in their Environment AFB, INRA, Agrocampus Ouest, Université de Pau et des Pays de l’Adour UPPA Rennes France
3. Norwegian Institute for Nature Research Trondheim Norway
4. Department of Natural History NTNU University Museum Trondheim Norway
5. Marine Institute Newport Ireland
6. Direction de la Recherche, de l’Expertise et des données AFB Eu France
7. Department of Biological and Environmental Sciences University of Gothenburg Gothenburg Sweden
8. National Institute of Aquatic Resources Technical University of Denmark Silkeborg Denmark
9. Department of Wildlife, Fish and Environmental Studies Swedish University of Agricultural Sciences Umeå Sweden
10. The Water Protection Association of the River Vantaa and Helsinki Region Helsinki Finland
11. Department of Landscape Ecology Norwegian Institute for Nature Research Oslo Norway