Grassland monoliths (IMAGE) University of Innsbruck Caption The 16 grassland monoliths come from the Kaserstattalm in the Tyrolean Stubaital - a site for long-term ecosystem research. Credit Eliza Harris Usage Restrictions Use only for news reporting and with proper credit line. 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.