Impact of barnacle geese on a field (IMAGE) University of Turku Caption An exclusion experiment illustrating the impact that browsing geese can have on a field. Credit Tuomas Seimola Usage Restrictions Please attribute the photo to the photographer. License Original 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.