One Tree Island Coral (IMAGE) University of Sydney Caption The colorful diversity of coral found at One Tree Island. The structure and diversity of coral we see today is already at risk of dissolution from ocean acidification. Credit Kennedy Wolfe Usage Restrictions Please credit. 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.