From land to sea (IMAGE) Nagoya University Caption Iron is released by burning biomass as well as fossil fuel combustion into the atmosphere and then transported to oceans. Credit Reiko Matsushita Usage Restrictions Unauthorised reproduction prohibited 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.