David Biedenharm's scientific contributions

Publication (1)

Technical Report
Full-text available
Section 7(a)(1) of the Endangered Species Act (ESA) requires all federal agencies to use their authority as appropriate to carry out programs for the conservation (i.e., recovery) of endangered and threatened species. For more than a decade, the U.S. Army Corps of Engineers (USACE) has worked with the U.S. Fish and Wildlife Service (USFWS) and stat...


... The floodplain of the Lower Mississippi has been reduced by over 80% because of the construction of mainline and setback levees (Baker et al., 1991). However, there are still one million hectares of active channel and floodplain and thousands of water control structures through the levees used primarily for flood control and drainage to protect agricultural fields (Killgore et al., 2014 ). Although these water control structures can maintain floodplain connectivity, their effect on fish movement and passage is not yet certain (Ickes et al., 2005; Schultz et al., 2007; Garvey et al., 2010). ...