Density of Endangered Species (IMAGE) Desert Research Institute Caption Density of endangered species and imperiled species on US federally owned and managed lands. The proportion of Department of Defense-harbored listed species relative to the other federal lands is disproportionate when compared to the agencies tasked with land species management as part or in whole of their charge. Credit Benton et al., 2008 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.