Dense Hardwood Regeneration (image) Michigan State University Caption In some areas harvested for timber, regeneration is successful in the gaps left by cleared trees. Credit Megan Matonis, Center for Systems Integration and Sustainability, Michigan State University Usage Restrictions With credit as indicated. 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.