Salmon On 400. With more than 400 dams in the columbia river basin, and more than half of them dedicated fully or partly to generating hydropower, the region’s primary source of electricity, fish passage at dams has been a major problem for nearly as long as dams have been built in the basin.
With more than 400 dams in the columbia river basin, and more than half of them dedicated fully or partly to generating hydropower, the region’s primary source of electricity, fish passage at dams has been a major problem for nearly as long as dams have been built in the basin.
With More Than 400 Dams In The Columbia River Basin, And More Than Half Of Them Dedicated Fully Or Partly To Generating Hydropower, The Region’s Primary Source Of Electricity, Fish Passage At Dams Has Been A Major Problem For Nearly As Long As Dams Have Been Built In The Basin.