Koli National Park (IMAGE) University of Eastern Finland Caption The concept of sustainable nature tourism has played a key role in mediating conflicts between tourism and nature conservation in Koli National Park, Finland. Credit UEF / Varpu Heiskanen Usage Restrictions Please mention the credit. 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.