Reporting Site: Pelagic Sargassum in the Caribbean
During 2011, massive quantities of pelagic sargassum occurred throughout the Caribbean, impacting aquatic resources, fisheries, shorelines, waterways, and tourism. A similar event is occuring in 2014 and continues in 2015.
In the effort to better understand critical aspects of this phenomenon, this website serves as a data collection center to accommodate reports of large quantities of pelagic sargassum observed within the region during 2015. The website provides easy access for data entry and represents a service to those interested in contributing to the information database. Data provided to this site will be used by Gulf Coast Research Laboratory (GCRL) scientists and colleagues throughout the region to identify the source and examine the movements and causes of this extraordinary event.
Your participation is essential to this work. Please use this form to report your observations. Thank you.
Area of Interest
Click here to view the study area in a larger map.
Examples of Sargassum Observations
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Sargassum line offshore
photo by GCRL
Sargassum mat offshore
photo by GCRL
photo by Hazel Oxenford
Participating Agencies, Institutions, and Organizations
These institutions have submitted pelagic sargassum reports in 2014 or 2015:
CERMES, UWI, CORALINA, DEAL Martinique (Direction de l'Environnement, de l'Aménagement et du Logement), Fundación Amigos del Caracol , HJR Reefscaping, Huracan Diving Lodge , Instituto de Ciencias del Mar y Limnología, UNAM., Instituto de Ciencias del Mar y Limnología. UNAM., Jobos Bay NERR, Mustique Enviornment committee, National Environment and Planning Agency, PADI, Research Triangle International, Research Triangle International - RTI, university od pUerto rico marine sciences, Waitt Institute,
These institutions have submitted pelagic sargassum reports prior to 2014 or 2015:
1, aletcssb07, carpinteyrokcj, Centre de Recherches Halieutiques et Océanologiques du Bénin (CRHOB), commercial diver, CONANP, diver-fisher, Jobos Bay National Estuarine Research Reserve, Puerto Rico Coastal Zone Management Program, ROFFS, St. Eustatius National Parks Foundation (STENAPA), The Nature Conservancy, Virgin Islands National Park/Coral Reef National Monument,