Tree thinning (IMAGE) Proceedings of the National Academy of Sciences Caption Tree thinning promotes the restoration of many aspects of longleaf pine ecosystems, including flowering plants and the pollinators that visit them. Credit Image credit: Nash E. Turley 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.