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Microplastic and tar pollution on three Canary Islands beaches: An annual study
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Researchers monitored large microplastics, mesoplastics, and tar pollution across three exposed Canary Islands beaches for a full year, finding great spatial and temporal variability in debris concentrations driven by seasonal patterns and local oceanographic conditions.
Marine debris accumulation was analyzed from three exposed beaches of the Canary Islands (Lambra, Famara and Las Canteras). Large microplastics (1-5mm), mesoplastics (5-25mm) and tar pollution were assessed twice a month for a year. There was great spatial and temporal variability in the Canary Island coastal pollution. Seasonal patterns differed at each location, marine debris concentration depended mainly of local-scale wind and wave conditions. The most polluted beach was Lambra, a remote beach infrequently visited. The types of debris found were mainly preproduction resin pellets, plastic fragments and tar, evidencing that pollution was not of local origin, but it cames from the open sea. The levels of pollution were similar to those of highly industrialized and contaminated regions. This study corroborates that the Canary Islands are an area of accumulation of microplastics and tar rafted from the North Atlantic Ocean by the southward flowing Canary Current.
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Dataset of Microplastic and tar pollution on three Canary Islands beaches: An annual study
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This review assesses a decade of research on microplastic and mesoplastic pollution in the waters and beaches of the Canary Islands. The study highlights how the archipelago's position in the North Atlantic Subtropical Gyre makes it particularly vulnerable to oceanic transport of plastic debris from remote sources.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.