Henry Quinlan, Service Fisheries biologist weighs a lake sturgeon along the Bad River in Wisconsin. This fish species is an important biological component of the Great Lakes fish community. By the early 1900's many populations of lake sturgeon...
Education; Training; Dams; Fishes; Rivers and streams;
Second set of explosives used in the destruction of the Embrey Dam on the Rappahannock River near Fredericksburg, Virgiinia, to allow migration of the American Shad.
Education; Training; Dams; Fishes; Rivers and streams;
First set of explosives used in the destruction of the Embrey Dam on the Rappahannock River near Fredericksburg, Virginia, to allow migration of the American shad.
Buildings, facilities and structures; Dams; Environmental quality; Fisheries management; Human impacts; Public access; Refuges; Rivers and streams; Water management; Wildlife impacts; Wildlife Refuges;
Fish ladder for migrating fish to bypass dam blocking their natural route. Note public access fishing platforms on bank of river. Vertical.
Beaver dam outside refuge boundary, before opening with TNT (dynamite) to permit run of spawning grayling to ascend - Actual preparation for removal of this dam
Videography; Webinar; rivers and streams; floods; climate change; conservation science
Conservation Science Webinar Series - Presented by Paul DuBowy, Ph.D., Environmental Program Manager for the U.S. Army Corps of Engineers MS Valley Division, Vicksburg, MS, June 9, 2011.
