Bio Station Logging (IMAGE) University of Michigan Caption Closeup of logs cut as part of the UMBS Adaptive Aspen Management Experiment at the University of Michigan Biological Station. The experiment is testing ways to make northern forests more resilient to climate change. About 12,000 mature trees --mostly aspen -- are being cut on 77 acres at the Biological Station. Credit Roger Hart, University of Michigan Photography. 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.