Dr. Christiane Werner, University of Bielefeld (image) Bielefeld University Share Print E-Mail Caption Junior professor Dr. Christiane Werner and her team have developed a method that shows how non-native plants can imbalance an ecosystem. Credit Bielefeld University Usage Restrictions Image may only be used with appropriate caption and credit. Share Print E-Mail 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.