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Title: Study of plastic pollution and its potential sources on Gran Canaria Island beaches (Canary Islands, Spain)
Authors: Rapp, Jorge
Herrera Ulibarri, Alicia 
Martínez Sánchez, Ico 
Raymond, Eugenio
Santana del Pino, Ángelo 
Gomez, May 
UNESCO Clasification: Investigación
Keywords: Microfibres
Plastic pollution
Sewage discharges
Beaches' Canary Islands
Issue Date: 2020
Project: Evaluación del impacto de microplásticos y contaminantes emergentes en las costas de la Macaronesia 
Estudio de la incorporación de microplásticos marinos a las redes tróficas en Canarias 
Journal: Marine Pollution Bulletin 
Abstract: In order to understand the origin of plastic debris pollutants that accumulate in the Canary Islands coastline, six beaches of Gran Canaria Island were studied during different seasons to estimate the abundance and the types of two microplastics fraction sizes (0.01–1 mm and 1–5 mm) and mesoplastics fraction (5–25 mm). For the larger fraction of microplastics and mesoplastics, a high percentage of fragments and foams were found; moreover, both fractions show the same accumulation pattern in relation with the wave, wind, and current. The debris was checked for exogenous and local origins. Moreover, for the smaller fraction of microplastics, only natural, semi-synthetic, and synthetic fibres were found, showing a totally different spatial distribution from the others fractions. This result suggests a possible endogenous origin of the contamination, in relation to the type and amount of wastewater discharges and beach users.
ISSN: 0025-326X
DOI: 10.1016/j.marpolbul.2020.110967
Source: Marine Pollution Bulletin [ISSN 0025-326X], v. 153, 110967
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