Prof. Hanna Kokko, University of Helsinki (IMAGE) Wiley Caption This is Hanna Kokko, winnner of the 2010 Per Brinck Award. Credit Courtesy of Oikos Editorial Office 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.