mauricio-sarina-pond-300 (IMAGE) University of South Florida Caption Led by Mauricio Arias, assistant professor of civil and environmental engineering, researchers are focusing their work on Lake Okeechobee and the St. Lucie River and Caloosahatchee River watersheds. Credit University of South Florida Usage Restrictions NA License Original 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.