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Título: | Coastal gradients of small microplastics and associated pollutants influenced by estuarine sources |
Autor: | González-Ortegón, Enrique CSIC ORCID ; Sendra, Marta CSIC ORCID CVN ; Sparaventi, Erica CSIC ORCID CVN; Sánchez Leal, Ricardo; Ríos, Isaac de los; Baldó, Francisco CSIC ORCID ; González-Fernández, Daniel; Yeste, María Pilar | Palabras clave: | Marine litter Microplastics Estuarine sources Oceanographic current Metallic additives Food webs |
Fecha de publicación: | ene-2022 | Editor: | Elsevier | Citación: | Marine Pollution Bulletin 174: 113292 (2022) | Resumen: | Small microplastics (SMPs) in the gulf of Cadiz was sampled at 5 m depth by pumping it through the ship's pipe system and filtered through a 45 μm mesh size net. Our study reveals that higher densities have been found (130 mg·m−3) compared to other regions worldwide and these densities decreased from the coastline to the outer stations, showing a general coastal gradient influenced by estuarine outflows. SMPs with a size range between 45 and 193 μm were predominant and most of them composed by polyethylene and polypropylene. The metals associated with the MPs were mainly Na (21.1%), K (11.3%), Fe (8.5%), Ca (2.1%), Cr (1.8%), Zr (13.3%) and Hf (0.7%). The high proportion of Zr compared to Fe, which is different from what can be found in the environment, suggests that this metal is intrinsic to the materials used in catalytic processes during plastic production | Descripción: | 9 pages, 5 figures.-- Under a Creative Commons license | Versión del editor: | https://doi.org/10.1016/j.marpolbul.2021.113292 | URI: | http://hdl.handle.net/10261/259081 | DOI: | 10.1016/j.marpolbul.2021.113292 | ISSN: | 0025-326X |
Aparece en las colecciones: | (IIM) Artículos (ICMAN) Artículos (IEO) Artículos |
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Coastal_gradients_OA_2022.pdf | 3,52 MB | Adobe PDF | Visualizar/Abrir |
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