In 2020, Ohio removed a dam from the once-polluted Cuyahoga River; it reopened 39 km of habitat, and scientists later detected 15 additional fish taxa
An 18-metre concrete dam on Ohio’s Cuyahoga River once stopped migrating fish from reaching important spawning areas for more than a century. Today, aquatic life is quickly returning to the river. Researchers from the US Geological Survey, working with state biological agencies, have released new long-term monitoring data showing a major ecological recovery. After the…
