One Tree Island Research Station (IMAGE) University of Sydney Caption University of Sydney One Tree Island Research Station on the southern Great Barrier Reef. Fossilised cores were taken from this part of the reef. Credit The University of Sydney Usage Restrictions For this story only 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.