Photo of the French army coming to pick up sargassum in 2018 – 7 ppm of H₂S Measured on a Sargassum Pile in Playa del Carmen: A Concerning Level A recent scientific report filmed in Playa del Carmen, Mexico, revealed a concentration of 7 ppm of hydrogen sulfide (H₂S) measured directly above a sargassum pile. […]
Sargassum-Related Pollution: The Key Role of H₂S Monitoring Read More »
When the Solution Becomes a Danger: The Risks of Mechanical Sargassum Removal on Beaches. In many tourist areas affected by massive sargassum landings, local authorities have chosen the most visible—and the fastest—solution: using heavy machinery to clear the beaches. Backhoes, bulldozers, and other mechanical shovels roam the sand daily, their buckets filled with brown algae,
Vacationers faced with backhoe loaders: the abuses of Sargassum cleaning Read More »
“A New Study Reveals the Triggering Factor Behind Massive Sargassum Blooms” Since 2011, massive sargassum strandings have disrupted marine ecosystems and coastal communities in the tropical Atlantic. A recent study, published in Communications Earth & Environment, highlights a key element behind this phenomenon: an extreme North Atlantic Oscillation (NAO) event in 2009-2010. An Ecological Shift
Sargassum: A New Study Reveals the True Cause of Massive Blooms Read More »
Outlook of 2025 Sargassum bloomsA perspective for the Caribbean Sea and Gulf of MexicoJanuary 6, 2025, by University of South Florida Optical Oceanography Lab(bbarnes4@usf.edu, yuyuan@usf.edu, huc@usf.edu) The map below shows average Sargassum abundance for the month of December 2024, with warm colors representing higher abundance. The Sargassum abundance for each region is compared with historical
Sargassum 2025: A Decisive Year for the Atlantic and the Caribbean Read More »
Puerto Morelos, Quintana Roo. The beaches of Mexico, natural treasures cherished by millions of visitors, are facing a growing threat: sargassum. This macroalgae, which accumulates annually along the shores of the Mexican Caribbean, could reach levels in 2025 not seen since the critical crisis of 2015. This warning, issued by Brigitta Ine Van Tussenbroek, head
2025: Toward a New Sargassum Crisis in Mexico ? Read More »
How to assess the effectiveness of a sargassum barrier? Lying on the beach under the Caribbean sun, you have plenty of time to observe the barriers that your hotel or municipality has installed to protect your beach from massive arrivals of sargassum seaweed. You know these barriers are necessary to prevent an economic, health, and
Effectiveness of sargassum barriers Read More »
Florence Ménez : Teacher-researcherClio Maridakis : Algae diversity & Sargassum influx | PhD Student – Environmental & Circular Economy Engineer | Co-host of The Sargassum PodcastFranziska Elmer : Head of Science at Seafields /Research Fellow at The School for Field Studies/ Host and Executive Producer of The Sargassum Podcast / Island Innovation Ambassador / Climate
The Sargassum Podcast : interview with the founder of Sargassum Monitoring® Read More »
– As of April 14th, about 1,675 tons of sargassum cover the Mexican Caribbean.– Favorable conditions without sargassum are in Isla Mujeres, with little in Cancún, Cozumel, and Puerto Morelos today.– Around 10 tons of sargassum are expected from Xcalak to Mahahual soon.– A 73-ton algal conglomerate 170 km off Quintana Roo’s coast may reach
Daily Bulletin – SARGASSUM EVALUATION MEXICAN CARIBBEAN Read More »
In an effort to address the challenges posed by massive accumulations of Sargassum on the coast of Puerto Rico, the Department of Natural and Environmental Resources (DRNA) has recently unveiled its final management protocol. A key decision in the protocol is the formal exclusion of Sargassum use for agricultural or human consumption purposes, including composting.
USA – Puerto Rico: Firm Rejection of Sargassum Use as Fertilizer Read More »
This is the question that more and more tourists are asking following announcements of the “End of Sargassum Season” in the press and social media, while images of invaded beaches are still circulating. But when is the “Sargassum Season” anyway? A search on the Internet reveals very different periods associated with the “Sargassum Season” in
Is there still a Sargassum Season? Read More »
