Posts

Fish Ladders vs. Flying Fish, Which Works Better?

The sight of a Chinook Salmon being shot out of a duct on a river in the Pacific Northwest would probably startle famous early 20th century conservationist Aldo Leopold. But then, the massive number of dams on U.S. waterways in the 21st century would probably shock him as well. This modern age has brought many changes. […]

Design of Fish Passages & Ladders with HEC-RAS

Salmon and other migrating fish, such as shad, alewives and sturgeon, need access to freshwater habitat for spawning and rearing. In some cases, these fish need to swim thousands of miles through the oceans and rivers to reach their destination, but they are often blocked from completing their journey by man-made barriers, such as dams […]