Testing Nutrient Levels (IMAGE) Queensland University of Technology Caption Professor Jennifer Firn, right, and colleague Emma La Douceur, are part of a global network of researchers testing the impact increased nutrient levels is having on biodiversity. Credit QUT: Jennifer Firn 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.