Grass carp is an Asian fish species that was imported into the United States in the 1960s. Because many conservationists wanted to reduce human dependencies on use of toxic chemicals, This introduction was considered to be an alternative to...
The upper reaches of the Mississippi River were the focus of conservationists and engineers alike in the 1920's and 1930's; the free-flowing river’s tendency to flood prompted construction of a series of locks and dams during the New Deal,...
Installment of "Conservationists in Action" Series, 2006. Kent Walker and his wife, Tracy Brooks, discuss their work with captive wolves in their program called "Mission Wolf". Hosted by Dr. Mark Madison, Historian at NCTC.
NCTC Conservationists in Action Series: NCTC Historian, Dr. Mark Madison hosts an interview with Filmmaker Taggart Siegel. Recorded May 10, 2011. For more information on the film, please visit: http://www.queenofthesun.com
An interview with Dr. Stephen Kress, Vice President of bird conservation, National Audubon Society, as part of the "Conservationists in Action Series" hosted by Dr. Mark Madison, Historian, NCTC in 2003.
"William Sladen is Bi-polar" - An interview with Dr. William Sladen as part of the "Conservationists in Action Series" hosted by Dr. Mark Madison, Historian at NCTC. Recorded in 2008.
Presented by Greg Sanders, Marine Mammal Biologist with Minerals Management Service in 2008 as part of the "Conservationists in Action Series" hosted by Dr. Mark Madison, Historian at NCTC.
Videography;u.s. fish and wildlife service;wildlife refuges;
Keeping Our Bison Heritage Alive! Special Edition. The heritage of the American West, where majestic bison roam in herds that blanket the hillsides, can be found at the National Bison Range.