The project comes as returns of the 450-million-year-old native fish species have shrunk to about 10% of historic numbers ...

You can do this by building fish ladders. Fish ladders look like a series of small waterfalls alongside a dam. Salmon swim upstream, and they "jump" from one waterfall to the next, until they ...

BONNEVILLE DAM — The U.S ... The fish ladder starts with a stepped climb up about 60 feet. That part will remain the same. After that, though, salmon, steelhead and lamprey have had to navigate ...

BONNEVILLE DAM — The U.S ... The fish ladder starts with a stepped climb up about 60 feet. That part will remain the same. After that, though, salmon, steelhead and lamprey have had to navigate ...

The creation of a small hydroelectric facility on non-salmon streams nearby also rendered the hydropower created by the other ...