We investigated beaver dam passage by three trout species in two northern Utah streams. We captured 1,375 trout above and below 21 beaver dams and fitted them with PIT tags to establish whether fish passed the dams and to identify downstream and upstream passage; 187 individual trout were ...
The beaver (河狸) is found (chief) in North America. It is about three and a half feet long, including the flat, paddle-shaped tail, is a foot in length. Beavers build themselves most curious huts to live in, and quite frequently great number of these huts are...
Visually, one can observe numerous beaver ponds when travelling over the wetlands of northern Ontario. A count carried out in a 1 km2 area produced close to 60 beaver dams in various states of preservation. The abundance of such beaver activities should have ...
We investigated beaver dam passage by three trout species in two northern Utah streams. We captured 1,375 trout above and below 21 beaver dams and fitted them with PIT tags to establish whether fish passed the dams and to identify downstream and upstream passage; 187 individual trout were ...