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Spatial monitoring of microplastics in environmental matrices from Galway Bay, Ireland
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Researchers conducted spatial monitoring of microplastic concentrations in water, sediment, and biological matrices from Galway Bay, Ireland, using a combined sampling strategy across multiple environmental compartments. The study established baseline contamination levels to support environmental decision-making and pollution reduction efforts.
Microplastic concentrations have been reported in a variety of environmental matrices and organisms across the world. Assessments of environmental concentrations are essential to understand trends and ensure decision-making processes that reduce environmental pressure. In this study, a combined sampling approach to surface waters, benthic sediments and biota in Galway Bay, Ireland, was carried out. Average concentrations of microplastics in surface waters were 1.42 ± 0.33 MPs m-3, in biota were 4.46 ± 0.36 MPs ind-1 and in benthic sediments were 5.60 ± 1.54 MPs kg-1. The diversity of polymers, microplastic types and colours were more abundant in surface waters and biota, when compared to benthic sediments. Integrated assessments of microplastics that follow existing monitoring programmes are essential to understand environmental trends. This work contributes to provide valuable information to descriptor 10 of the Marine Strategy Framework Directive in Ireland.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.