water Review Characteristics, Main Impacts, and Stewardship of Natural and Artificial Freshwater Environments: Consequences for Biodiversity Conservation Marco Cantonati 1,2,* , Sandra Poikane 3, Catherine M. Pringle 4, Lawrence E. Stevens 5, Eren Turak 6,7 , Jani Heino 8, John S. Richardson 9 , Rossano Bolpagni 10 , Alex Borrini 1, Núria Cid 11, Martina Ctvrtlˇ íková 12, Diana M. P. Galassi 13 , Michal Hájek 14 , Ian Hawes 15 , Zlatko Levkov 16, Luigi Naselli-Flores 17 , Abdullah A. Saber 1,18 , Mattia Di Cicco 13, Barbara Fiasca 13, Paul B. Hamilton 19, Jan Kubeˇcka 12 , Stefano Segadelli 20 and Petr Znachor 12 1 MUSE—Museo delle Scienze, Limnology and Phycology Section, Corso del Lavoro e della Scienza 3, 38123 Trento, Italy;
[email protected] (A.B.);
[email protected] (A.A.S.) 2 Patrick Center for Environmental Research, Academy of Natural Sciences of Drexel University, Philadelphia, PA 19103, USA 3 European Commission, Joint Research Centre (JRC), 21027 Ispra, Italy;
[email protected] 4 Odum School of Ecology, The University of Georgia, Athens, GA 30602-2602, USA;
[email protected] 5 Museum of Northern Arizona Springs Stewardship Institute, 3101 N Ft Valley Rd, Flagstaff, AZ 86001, USA;
[email protected] 6 NSW Department of Planning, Industry and the Environment, 10 Valentine Ave, Parramatta, NSW 2150, Australia;
[email protected] 7 Palaeontology, Geobiology and Earth Archives Research Centre (PANGEA), School of Biological, Earth and Environmental Sciences UNSW, Kensington 2052,