Sage Lot Pond Salt Marsh, Mashpee, Mass. (IMAGE) Marine Biological Laboratory Caption Sage Lot Pond salt marsh on Cape Cod, Mass., is a well-studied and quantified reference marsh for ecosystems research. Credit Joanna Carey Usage Restrictions Please use 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.