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T1 Sargassum Seaweed Invasions -  Webinar
A1 United Nations Environment Programme, 
A1 Global Programme of Action for the Protection of the Marine Environment from Land-Based Activities, 
YR 2020
FD 2020
LK https://wedocs.unep.org/handle/20.500.11822/32616
UL https://wedocs.unep.org/handle/20.500.11822/32616
NO This webinar discusses the proliferation of Sargassum seaweed across the Caribbean and West Africa, addressing its environmental, economic, and health impacts. Organised by the United Nations Environment Programme and partner organisations, the session provides a regional context for the increasing strandings observed since 2011. Presenters examine the scientific mechanisms driving these blooms, identifying nutrient runoff from major river systems, atmospheric deposition, and changing ocean temperatures as key contributing factors. The discussion highlights the severe consequences for local tourism and fisheries, while emphasising the need for coordinated international research and monitoring. Through scientific presentations and regional reflections, the webinar underscores the importance of developing forecasting systems, establishing best management practices, and fostering global collaboration to mitigate this expansive marine phenomenon.
DS UN Environment Document Repository
RD Sep 23, 2026