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Plastic litter in aquatic environments of Maremma Regional Park (Tyrrhenian Sea, Italy): Contribution by the Ombrone river and levels in marine sediments
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Researchers surveyed plastic litter in sediments along the Ombrone river and adjacent marine areas in Maremma Regional Park, Italy, finding microplastic concentrations ranging from 45 to 1,069 items per kg dry sample, with agricultural activity identified as a significant local source.
During two surveys in 2015 and 2016, sediments samples were collected along the Ombrone river (Maremma Regional Park, province of Grosseto, Italy), in particular at its mouth and in the marine area in front of it, in order to quantify, identify and categorize plastic items (macro, meso and micro-plastics and colour, material etc.) and evaluate their potential sources. The Albegna and Osa rivers were identified as external areas of comparison. The results of the analysis showed different situations, especially as regards fluvial inputs, in addition to evidencing local provisions of plastic material derived from agricultural activities. The microplastics values per kg of sediment and the prevailing type of items found largely varied between the investigated sites (45-1069items/kg dry sample).
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Microplastics were surveyed in the Ofanto River in southeast Italy—the first such study in this region—characterizing abundance and composition in banks, surface waters, and sediments and identifying multiple potential input sources including agricultural runoff and urban waste. The study demonstrates that this major Italian river is contaminated with microplastics and transports them toward the Adriatic Sea.
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Plastic litter (macro, meso, and micro sizes) was found in sediments along a large stretch of the Tyrrhenian Sea coast of southern Tuscany, Italy, with microplastics dominating. The study provides baseline data for a region with significant coastal development and tourism.
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A Greenpeace-sponsored sampling campaign along Italy's Tyrrhenian coastline detected microplastics in surface water, sediments, and marine organisms at all sites, including marine protected areas. Ports and river mouths showed the highest contamination levels, pointing to land-based and maritime activities as major sources. The study demonstrates that even protected marine areas in the Mediterranean are not free from plastic pollution.
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Researchers investigated the distribution of microplastics in fluvial and marine sediments along the lower Tiber River and the Central Tyrrhenian Sea, examining how sedimentary processes control land-to-sea transfer and spatial dispersal of microplastics originating from the city of Rome.
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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.