«There is still a lot of work to do to improve access to more historic river habitat for diadromous fish,» Nieland said. (sciencedaily.com)
Dr. Braulik added, «This important study shows that it is river habitat fragmentation by dams, and removal of river water for irrigation that has caused the massive range decline of the Indus River freshwater dolphin. (sciencedaily.com)
Silver and bighead carp can not spawn in lakes; instead, they must find their way into river habitat. (discovermagazine.com)