The Great Miami River watershed has multiple low head dams and five ‘dry dams.' We lack a full understanding of how these ...

How tribal leaders, commercial fisherman and a few small environmental groups won an uphill campaign against dams.

The best way to experience the White Mountains’ Presidential Range is hiking between the Appalachian Mountain Club’s eight historic high-mountain huts. Connecting distances aren’t ridiculous—the ...

For 162 million years, sturgeons have fended off everything they’ve faced. Now scientists are racing to save these living ...

That includes the demolition of the existing dam, construction of the bypass channel, construction of the fish-sorting channel and the removal and relocation of the water main. Those construction ...

Spring-run Chinook salmon returned to the cool waters of the North Yuba River first as eggs, fertilized at Feather River Fish Hatchery in Oroville and embedded in October in the river’s gravel, ...

The construction of the Balbina hydroelectric dam in the Brazilian Amazon led to the loss of seven endemic fish species in the Uatumã River, researchers have found. The hydroelectric dam has ...

BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam's fish ladder to make it easier for Pacific lamprey to pass the dam as they return ...

One dam located at the very tip top end of the Eel River watershed without a fish ladder is not alone to blame. As Paul Harvey might have said, “Here is the rest of the story.” 1. Commercial ...

BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam’s fish ladder to make it easier for Pacific lamprey to pass the dam as they return ...

The project, currently under construction on the Washington side of the dam, involves demolishing and redesigning the upper part of the fish ladder. The ladder is a series of tiered concrete walls ...