Effect of Sub-Tropic Cold Snap (IMAGE) U.S. National Science Foundation Caption A cold snap in the Florida sub-tropics affected mangrove and other ecosystems. Credit J.S. Rehage/NSF Florida Coastal Everglades Long-Term Ecological Research Site 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.