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Microplastic debris in beaches of Tenerife (Canary Islands, Spain)
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Researchers surveyed microplastic abundance and composition at six beaches on Tenerife in the Canary Islands, finding widespread contamination with pellets and fragments dominated by polyethylene and polypropylene, with higher concentrations on exposed north-coast beaches.
The occurrence and composition of microplastics (1-5 mm) was evaluated in six beaches of the island of Tenerife (Canary Islands, Spain). Two of them were located at the North coast (El Socorro and San Marcos) and the rest in the South littoral (Leocadio Machado, El Porís, Los Abriguitos and Playa Grande). Sampling was developed during the months of October, November and December 2018 (depending on the beach) above the high tide line. Isolated microplastics were identified by attenuated total reflection infrared spectroscopy. All the beaches showed a relatively low content of microplastics, below 3.5 g/m, which is also below 0.069 g/L of sand, except for Playa Grande, which showed an average content of 99 g/m or 2.0 g/L of sand. Tar pollution (around 18%) was also found in Playa Grande. The major polymers found were polyethylene, polypropylene and polystyrene, accounting for 69%, 18% and 4%, respectively.
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