Large-Scale Forest Experiment (image) University of Basel Share Print E-Mail Caption In a forest near Basel researchers study the effects of climate change on the most important and sensitive part of the trees - the canopy. A total of 450 trees between 50 and 120 years old grow on the 1.6 hectare research area. Credit University of Basel Usage Restrictions None Share Print E-Mail 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.