Change of River Banks (image) Technische Universitaet Muenchen Caption River banks are often reinforced to facilitate shipping. These reinforcements also protect fish against the waves from passing ships, thus creating the perfect conditions for invasive species. Credit J. Brandner/TUM Usage Restrictions With copyright free for use for coverage on Technische Universitaet Muenchen 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.