Low Marsh (IMAGE) Virginia Institute of Marine Science Caption Low-elevation marshes are where dynamic feedbacks operate most effectively to counter sea-level rise. Credit © M. Kirwan/VIMS Usage Restrictions One-time use only. 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.