Setting up the Experiment (IMAGE) Stockholm University Caption Photo shows the process of setting up the experiment: more than dozens of oak trees representing 5 different genotypes were brought to the field north of Stockholm. Credit Maria Faticov Usage Restrictions Credit photographer on use. 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.