Measuring the Biological Pump (IMAGE) Norwegian University of Science and Technology Caption Researchers use this kind of experimental setup to study mesocosm systems, marine food webs and the biological pump. Credit NTNU 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.