NSF's Luquillo LTER (IMAGE) U.S. National Science Foundation Caption NSF's Luquillo LTER and CZO sites after Hurricane Maria: the tropical forest there was uprooted. Credit USFS/Grizelle González 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.