Biodiversity Collapse (IMAGE) University of Vienna Caption Molluscs of a sample from Southern Israel: in red, those belonging to species of Red Sea origin, in blue, those of Mediterranean origin. Native species are very few, whereas tropical ones are dominant, marking the transformation of the ecosystem. Credit © Paolo Albano 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.