Erika Hersch-Green wins NSF CAREER award (IMAGE) Michigan Technological University Caption Erika Hersch-Green, evolutionary biologist and assistant professor of biological sciences, has received a National Science Foundation CAREER award to investigate how the effects of increased nitrogen and phosphorus alter the primary productivity of some plants, while reducing the growth of others. Credit Sarah Atkinson/Michigan Tech Usage Restrictions Please credit photographer/institution. 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.