Beaver Building Dam (IMAGE) Utah State University Caption Utah State University ecologist Nick Bouwes says beavers may be key to effective river restoration efforts. He and colleagues detail a watershed-scale experiment in Nature's <i>Scientific Reports</i>. Credit Jeff Hunter, The Herald Journal Usage Restrictions Please credit: Jeff Hunter, The Herald Journal License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.