Unfragmented Forest (IMAGE) Imperial College London Caption Unfragmented tropical forest in Costa Rica. Species that evolved in landscapes with little large-scale disturbance -- like this one in the tropics -- tend to be more sensitive to deforestation and edge effects than those that have persisted in landscapes with disturbances like fires and windstorms. Credit Christian Ziegler 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.