1. Department of Civil and Environmental Engineering Norwegian University of Science and Technology Trondheim Norway
2. National Institute of Aquatic Resources Technical University of Denmark Silkeborg Denmark
3. Norwegian Institute for Nature Research Trondheim Norway
4. Norwegian Institute for Nature Research Tromsø Norway
5. SINTEF Energy Research Trondheim Norway
6. River Ecology and Management Research Group RivEM, Department of Environmental and Life Sciences Karlstad University Karlstad Sweden