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Title: Microplastics ingestion and chemical pollutants in seabirds of Gran Canaria (Canary Islands, Spain)
Authors: Navarro Molina, Alberto 
Pérez Luzardo, Octavio Luis 
Gómez Cabrera, María Milagrosa 
Acosta Dacal, Andrea Carolina 
Martinez Sanchez,Ico 
Felipe de la Rosa, Jorge
Macías Montes, Ana 
Suárez Pérez, Alejandro 
Herrera Ulibarri,Alicia 
UNESCO Clasification: 2401 Biología animal (zoología)
330804 Ingeniería de la contaminación
3214 Toxicología
Keywords: Canary Islands
Organic Pollutants
Plastic Ingestion
Issue Date: 2023
Journal: Marine Pollution Bulletin 
Abstract: Plastic pollution constitutes an environmental problem in the Canary Islands nowadays. Nevertheless, studies evaluating the impact of plastics on its avifauna are still scarce. Gastrointestinal tracts of 88 birds belonging to 14 species were studied for the presence of plastics. Moreover, their livers were analyzed for the determination of bromodiphenyl ethers (BDEs), polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs) and organochlorine pesticides (OCPs). Among Cory's shearwaters (n = 45), the frequency of occurrence of plastic ingestion was considerably high (88.89 %). This species had the highest mean value of items (7.22 ± 5.66) and most of them were compatible with lines derived from fishing gear. PCBs and PAHs were detected in all of the samples and OCPs in the great majority of them (98.86 %). Our results highlight the problems that plastic debris (mainly for seabirds) and organic pollutants pose to these species.
ISSN: 0025-326X
DOI: 10.1016/j.marpolbul.2022.114434
Source: Marine Pollution Bulletin [ISSN 0025-326X], v. 186, 114434, (Enero 2023)
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