Jon Waters, University of Otago (IMAGE) University of Otago Caption Professor Jon Waters from the University of Otago's Department of Zoology, was involved in the research reported in Nature Climate Change, led by his former PhD student, Dr Ceridwen Fraser, now at the Australian National University. Credit University of Otago Usage Restrictions None 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.