Université de Sfax, Laboratoire de Génie de l'Environnement et Ecotechnologie, GEET-ENIS, Route de Soukra km 4, Po. Box 1173, Sfax 3038, Tunisia.
CESAM and Department of Chemistry, University of Aveiro, Portugal.
Mar Pollut Bull. 2021 Jun;167:112264. doi: 10.1016/j.marpolbul.2021.112264. Epub 2021 Mar 29.
Microplastic (MPs) pollution has been recognized as a serious threat to marine environment with the growing use of plastics. There is no sufficient data on the extent and characteristics of MPs pollution in the beach sediments and sand in the Atlantic Ocean. The coastal area is one of the main tourist zones in Aveiro in Portugal, thus, impacted by both tourism and maritime traffic, which are major sources of MPs. Considering this issue, 33 sediment samples were collected from the Praia da Barra beach in Aveiro. This pilot study showed that large quantities of MPs are accumulated on this beach with a median concentration of 100 MP kg-1 (15-320 MP kg-1), that is dominated by polyethylene (30%), polypropylene (27%), polystyrene (18%), nylon (12%), and polyester (6%). Size <1 mm constituted 99.5% of particles, mostly of transparent or black colors, with highest concentrations closest to the water line.
微塑料（MPs）污染已被认为是对海洋环境的严重威胁，随着塑料的使用越来越多。目前在大西洋海滩沉积物和沙中，关于 MPs 污染的程度和特征，还没有足够的数据。葡萄牙阿威罗的沿海地区是其主要的旅游区之一，因此受到旅游和海上交通的影响，而这些是 MPs 的主要来源。考虑到这一问题，从阿威罗的普拉亚达巴拉海滩采集了 33 个沉积物样本。这项初步研究表明，大量的 MPs 堆积在这个海滩上，其浓度中位数为 100 MP kg-1（15-320 MP kg-1），主要由聚乙烯（30%）、聚丙烯（27%）、聚苯乙烯（18%）、尼龙（12%）和聚酯（6%）组成。<1mm 的粒径占颗粒的 99.5%，大部分呈透明或黑色，浓度最高的部分最接近水面。
