Domingo Baeza. Associate professor at the Department of Ecology, Universidad Autónoma de Madrid. Associate and technician of Ecohidráulica SL, a technology-based company linked to the Universidad Politécnica de Madrid (UPM).. Doctor by Universidad Politécnica de Madrid, Forestry Engineering School. His research lines focus on rivers and riverbank restoration, methods for estimation of environmental flows, assessment of river physical habitat, biological indicators in aquatic systems, fauna of aquatic ecosystems and dynamics of animal populations. He has a wide number of publications of these issues and has participated in national and international research projects as those dealing with the assessment of the WFD in Spain. He has professional experience on environmental impact assessment and on hydro-biological and pollution of aquatic systems, among others.