Palsas in Peat Bog (IMAGE) Université Laval Caption Pictured are lichen and shrub–covered palsas surrounded by a pond resulting from melting permafrost in a bog near the village of Radisson, Canada. Credit Serge Payette 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.