RT info:eu-repo/semantics/article
T1 Beneath the water column: Uncovering microplastic pollution in the sublittoral coastal sediments of the Canary Islands, Spain.
A1 Díaz Peña, Francisco Javier
A1 Villanova Solano, Cristina
A1 Hernández Sánchez, Cintia
A1 González Sálamo, Javier
A1 Edo, Carlos
A1 Vega Moreno, Daura
A1 Fernández Martín, Sonia
A1 Fraile Nuez, Eugenio
A1 Machín, Francisco
A1 Hernández Borges, Javier
K1 Marine sediment
K1 Pollution
AB Marine ecosystems pollution by microplastics (MPs) is a global problem of special concern. The present studyexamines the prevalence and distribution of MPs and cellulosic particles in sublittoral coastal sediments of the Canary Islands archipelago (Spain). At twenty-six different locations alongside seven islands, three samples were taken parallel to the shoreline between 1 and 10 m depth (n = 78). Sediment samples were primarily digested with a H2O2 solution followed by four flotations in a saturated NaCl solution. The mean concentration obtainedwas 3.9 ± 1.6 items/g of dry weight. A similar distribution pattern was observed across all islands concerning particles morphology, color, size and composition: mainly colorless/translucent and blue fibers (60.0%). Additionally, fragments were also found, and to a much lesser extent microbeads, films and tangled messes. MicroFourier Transform Infrared spectroscopy analysis of 12.5% of the fibers, showed that they were mainly cellulosic (54.5%) -either natural or semisynthetic- followed by polyester (22.7%) and acrylic (4.5%). The potential correlation between particle distribution in nearshore sediments and wave intensity was also explored. This workprovides the first comprehensive report on the current MPs content of the seabed of the region.
YR 2024
FD 2024
LK http://riull.ull.es/xmlui/handle/915/35979
UL http://riull.ull.es/xmlui/handle/915/35979
LA en
NO https://doi.org/10.1016/j.jhazmat.2023.133128
DS Repositorio institucional de la Universidad de La Laguna
RD 26-dic-2024