Shoreline Squeeze (IMAGE) Virginia Institute of Marine Science Caption This tidal marsh has been prevented from migrating landward by a sea wall, an example of 'shoreline squeeze.' Credit Photo courtesy of Patrick Megonigal/SERC. 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.