For salmon, the journey from the Pacific Ocean to their native spawning grounds isn’t easy. But of all the obstacles the fish have to surmount, the most difficult are those that make travel easier for ...

The interplay between hydraulic structures and fish passage is a critical research area, particularly as engineered barriers such as dams and turbine installations disrupt natural river connectivity.

The Wisconsin DNR and other groups want to make it easier for fish trying to travel upstream along the Milwaukee River during spawning season. That’s why crews have been moving earth and water along ...

The U.S. Army Corps of Engineers, Buffalo District and the U.S. Environmental Protection Agency are building on the success of a project to help one of the Niagara River and Lake Erie’s most important ...