Damming effects on upstream riparian and aquatic vegetation: the case study of Nazzano (Tiber River, central Italy)I. Tombolini, G. Caneva, L. Cancellieri, S. Abati and S. CeschinKnowl. Managt. Aquatic Ecosyst., 412 (2014) 03DOI: https://doi.org/10.1051/kmae/2013085