Close up of mats (IMAGE) Woods Hole Oceanographic Institution Caption When conditions are calm, the mats can grow up to an inch in thickness. During storms, the mats get swept away, providing a mechanism to export the produced biomass to the surrounding ocean, where it can serve as food for organisms. Credit Photo credit: Dr. Roy Price, Stony Brook University Usage Restrictions n/a 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.