Effects of Aridity on Drylands (IMAGE) Swansea University Caption Fig. 1 Sequence of abrupt responses in global drylands as aridity increases. Credit Berdugo et al. 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.