Eddy Covariance Tower (IMAGE) University of Missouri-Columbia Caption An eddy covariance tower, a tool which measures the breathing capacity of an ecosystem, sits in Tucker Prairie, Missouri's largest remaining virgin tall-grass prairie Credit Jeffrey Wood Usage Restrictions None 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.