Mangrove roots (IMAGE) University of South Australia Caption Mangrove pneumatophores (aerial roots) with DGT probes in sediments for measuring labile metals. Credit UniSA Usage Restrictions Only with this story and with credit 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.