A Ticky Situation (IMAGE) Cary Institute of Ecosystem Studies Caption When the landscape is fragmented, white-footed mice dominate and Lyme disease risk increases. Credit Jesse Brunner 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.