info:eu-repo/semantics/article
Massive Influx of Pelagic Sargassum spp. on the Coasts of the Mexican Caribbean 2014-2020: Challenges and Opportunities
Autor
Valeria Chávez
ABIGAIL URIBE MARTINEZ
Eduardo Cuevas
ROSA ELISA RODRIGUEZ MARTINEZ
BRIGITTA INE VAN TUSSENBROEK RIBBINK
Vanessa Francisco
MIRIAM ROCIO ESTEVEZ GONZALEZ
María de Lourdes Berenice Celis García
LUZ VERONICA MONROY VELAZQUEZ
ROSA MARIA LEAL BAUTISTA
Lorenzo Alvarez_Filip
MARTA GARCIA SANCHEZ
LUIS MASIA NEBOT
Rodolfo Silva
Resumen
Since late 2014, the Mexican Caribbean coast has periodically received massive, atypical influxes of pelagic Sargassum spp. (sargasso). Negative impacts associated with these influxes include mortality of nearshore benthic flora and fauna, beach erosion, pollution, decreasing tourism and high management costs. To understand the dynamics of the sargasso influx, we used Landsat 8 imagery (from 2016 to mid-2020) to record the coverage of sargasso in the sea off the Mexican Caribbean coastline, with a maximum reported in September 2018. Satellite image analysis also showed local differences in the quantity of beached sargasso along the coastline. Over the years, good practice for collection on the beach and for off-shore collection of sargasso have been established through trial and error, and the Mexican Government and hotel industry have spent millions of dollars on removal and off-shore detention of sargasso. Notwithstanding, sargasso also has various properties that could be harnessed in local industries. The stimulation of local industrial growth would offer alternatives to the dependence on tourism, as a circular economy, based on sargasso, is developed.
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