Damages in Natural Forests (IMAGE) University of Würzburg Caption Bark beetles do not cause damages in natural forests such as the Bavarian Forest National Park where they are part of the natural dynamic processes that occur in forests. It is the ideal environment for scientists to study the insects and their impact on forests and to draw conclusions for forestry operations. Credit Rainer Simonis / Nationalpark Bayerischer Wald 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.