A river with zero dams or a river with eight may not be much different for the survival of young salmon
There could be little difference in how young salmon survive their journey down a free-flowing river versus the heavily dammed Columbia River system, says a controversial new study.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.