Western Russian Tundra (IMAGE) University of Eastern Finland Caption Western Russian tundra is a mosaic of dry and wet ecosystem types, functioning very differently with respect to carbon exchange. Credit Maija Marushchak 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.