Invasive Tunicates In New England Waters (IMAGE) University of Massachusetts Amherst Caption Based on their assessment of impacts across different habitats -- marine, freshwater or terrestrial - and for invasive animals vs. invasive plants, the authors led by Bethany Bradley of UMass Amherst found that 'increasing the abundance of invasive alien species has pronounced negative impacts on native species populations and communities.' Credit CJB Sorte/UC Irvine 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.