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Microplastics in Water, Sediments and Macroinvertebrates in a Small River of NW Spain
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This preprint study characterized microplastics in water, sediments, and macroinvertebrates in a small river in northwest Spain. The authors subsequently requested removal of the paper from the preprint server.
Abstract The authors have requested that this preprint be removed from Research Square.
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Microplastics in water, sediments and macroinvertebrates in a small river of NW Spain
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Researchers found microplastics in water, sediment, and aquatic invertebrate species throughout a small urban river in northwest Spain, including inside the body cases of caddisfly larvae. The study confirms that microplastic contamination reaches even the headwaters of urban rivers and enters freshwater invertebrates, with potential to move up the food chain.
First sampling of microplastics in streams and rivers of peninsular Spain
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Researchers conducted one of the first sampling campaigns for microplastics in rivers and streams across peninsular Spain, collecting samples from 157 water bodies. Microplastics were detected across a wide range of freshwater habitats, providing baseline data for future monitoring and policy decisions. The study demonstrates widespread microplastic contamination in Spanish inland waters.
Assessment of Microplastic Pollution in River Ecosystems: Effect of Land Use and Biotic Indices
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Researchers analyzed microplastic pollution in Spanish river ecosystems and found that concentrations in both water and sediment were strongly linked to surrounding urban land use. They discovered that traditional water quality assessments based on biological indicators do not capture microplastic contamination effectively. The study suggests that new monitoring approaches are needed to account for this emerging pollutant in river health evaluations.
Spatio-temporal distribution of microplastics in a Mediterranean river catchment: The importance of wastewater as an environmental pathway
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Microplastic concentrations were mapped across a Mediterranean river catchment in central Spain over multiple seasons, finding that wastewater treatment plant effluents were the dominant point source and that storm events transiently increased concentrations in downstream reaches by mobilizing accumulated particles from river beds and floodplains.
Microplastics in the sediments of the Tijuana River Basin, Mexico
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Researchers documented widespread microplastic contamination in the sediments of the Tijuana River, a binational waterway shared by Mexico and the United States, with fibers and polypropylene fragments being the most common types. Inadequate wastewater treatment and poor solid waste management were identified as the primary sources.
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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.