Heavily Converted Landscapes (image) University of Washington Share Print E-Mail Caption Dark purple marks areas where high densities of animals will need to travel but where they will encounter the most cities, agricultural development and other human-caused barriers. Light yellow marks areas with less human-land uses and where animals should consequently have an easier time moving. Credit U of Washington Usage Restrictions None Share Print E-Mail 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.