Graph - Allaby April 2016 (IMAGE) University of Warwick Caption This is a graph from the paper showing that if the plants moved from a high likelihood of survival as a species if faced with anything up to 50-100 change pressures at a time, to almost certain irreversible population collapse and extinction if pushed even slightly beyond 50-100 such changes. Credit University of Warwick 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.