The large, continuous influxes of Sargassum seaweed currently affecting the Caribbean and U.S. coasts are the worst since 2011 with 20 million tons in 2018 with an ASGB of over 8800km in length. The economic impact of their stranding is in the millions of euros, especially in the tourism industry and the associated emissions of hydrogen sulfide (H2S) and ammonia (NH3) have a significant effect on the health of coastal residents. The marine ecological impacts have not yet been assessed.
It is imperative to increase our knowledge of hydrodynamic conditions to improve management of Sargassum influxes. This is the basis to develop a reliable understanding of the causes of occurrence and their inter-annual variability in order to better predict the years of high Sargassum bank flotsam conditions. These research questions are the focus of this joint call, which focuses on 3 themes:
This call for projects aims to provide pragmatic solutions to the sargassum stranding and enrich the knowledge on this phenomenon that affects more particularly the islands of the Caribbean. Funds will be available thanks to the ANR, CONACYT (Mexico),FACEPE (Brasil) and NOW (Nederlands).
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