Partlow and Reef (IMAGE) University of California - Santa Barbara Caption Co-author Emalia Partlow measures how much dead coral skeletons protected algae from grazing herbivores. Credit Kai Kopecky Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.