Seagrass with roots (IMAGE) University of Gothenburg Caption Seagrass´ root mats can reduce coastal erosion up to 70 %. Researchers at University of Gothenburg have made test in wave tank that shows that the roots makes binds the sand dunes. Credit Photo: Pekka Tuuri Usage Restrictions None 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.