Resumen del producto

The pelagic Sargassum is a marine macroalga that from 2015 became a problem for Mexican beaches, mainly on the coast of Quintana Roo. This atypical event changes the cleanliness and color of the beaches, so it affects tourism. The origin of this macroalgae is the Sargasso Sea, and from the north of Ecuador, but the causes of this atypical event are not yet fully identified. Recent data show an accumulation of up to 200 tons per year for each kilometer of coastline. Therefore, a multidisciplinary project is being carried out with the aim of designing strategies for the sustainable harvest, management, and processing of Sargassum. In this sense, a preliminary evaluation of the economic losses is presented, through the losses of tourist income, derived from the problem of stranding pelagic Sargassum off the coast of Quintana Roo. The results will be used as a baseline to perform a cost-benefit analysis for the proposals of use and control of the stranded Sargassum. The estimation of losses of tourist income was estimated through the analysis of the historical series of hotel activity and tourist arrivals in Quintana Roo. Information that was complemented through expert interviews in order to know how the changes in occupation, attributed to the stranding of Sargassum, have resulted in changes in the tourist economic dynamics (v .gr. Reduction of tourist spending). Parallel to the project intention, it is essential that managers and policymakers understand the value of the area and how changes in management can affect these recreational values.

Palabras clave: Sargassum; stranding of Sargassum; turism; Macroalgae

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