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61,005 resultsShowing papers similar to Microplastics in Surface Waters of the Russian Arctic Seas: Distribution, Concentration, Identification, and Eco-Risks for Fish
ClearMicroplastics in Arctic polar waters: the first reported values of particles in surface and sub-surface samples
Researchers reported some of the first measured values for microplastic particles in Arctic polar waters, finding contamination even in these remote high-latitude waters and raising questions about long-range transport mechanisms.
Microplastics quantification in surface waters of the Barents, Kara and White Seas
This study measured microplastic concentrations in the surface waters of the White, Barents, and Kara Seas in the Arctic, finding particularly high levels off the coast of Novaya Zemlya. The detection of microplastics in these remote Arctic waters confirms that ocean currents carry plastic pollution to polar regions far from the original sources.
Spatiotemporal trends in microplastic pollution of surface waters of the Eurasian Arctic
Researchers conducted the most extensive survey to date of floating microplastics in the Eurasian Arctic Ocean, collecting 200 surface water samples across four Arctic seas over four years using standardized methods. The study provides a crucial baseline for tracking whether microplastic contamination in this remote and climate-sensitive ocean region is increasing over time, which matters because Arctic ecosystems are already under severe stress and microplastics can further harm the marine food web from plankton to Arctic wildlife.
Study of microplastic pollution in the seas of the Russian Arctic and the Far East
This study investigated microplastic pollution in seas of the Russian Arctic and Far East, regions that have received less scientific attention. Despite their remoteness, microplastics were detected, raising concern about contamination of pristine polar ecosystems.
Microplastics distribution in the Eurasian Arctic is affected by Atlantic waters and Siberian rivers
Analysis of 60 water samples from the Eurasian Arctic found average microplastic concentrations of 0.004 items/m³ in surface net samples and 0.8 items/m³ in subsurface pump samples, with particle type and abundance differing significantly between Atlantic water masses and Siberian river plumes.
First evidence of microplastic occurrence in the marine and freshwater environments in a remote polar region of the Kola Peninsula and a correlation with human presence
Researchers documented the first evidence of microplastic contamination — both fibers and fragments — in the marine waters of the Barents Sea and remote freshwater lakes of the Kola Peninsula, with levels correlating to the degree of local human activity.
Studies of microplastic content in water and commercial fish: from scientific research to large-scale monitoring
This article reviewed microplastic content in water and commercial fish from Russian fishery zones in the Arctic Seas, summarizing data collected from 2019 to 2022 and proposing protocols for large-scale monitoring programs.
Microplastics in the Arctic: A case study with sub-surface water and fish samples off Northeast Greenland
Researchers investigated microplastic contamination in sub-surface water and two mid-trophic level fish species off Northeast Greenland, finding synthetic particles in both water samples and fish stomachs. The study demonstrates that even remote Arctic ecosystems are not free from microplastic pollution, with fibers being the most commonly detected particle type.
Horizontal distribution of surface microplastic concentrations and water-column microplastic inventories in the Chukchi Sea, western Arctic Ocean
Researchers mapped the horizontal distribution of microplastics in the Chukchi Sea of the western Arctic Ocean, providing the first water-column microplastic inventory for this region and revealing significant contamination even in remote polar waters experiencing rapid sea-ice loss.
Microplastics in the Eurasian Arctic surface water: main sources and drivers of spatiotemporal variability
Researchers conducted the most extensive survey to date of floating microplastics in the Eurasian Arctic Ocean, collecting 220 surface and 180 subsurface water samples across six research cruises from 2019 to 2022 in the Barents, Kara, Laptev, and East-Siberian Seas using Neuston nets. The study characterised the main sources and spatiotemporal drivers of microplastic distribution in this sensitive polar region, with findings relevant to understanding the Arctic as a sink for global plastic pollution.
Investigation of microplastic pollution in Arctic fjord water: a case study of Rijpfjorden, Northern Svalbard
Researchers investigated microplastic contamination in the remote Rijpfjorden fjord in Northern Svalbard, sampling both surface water and the water column down to 200 m, and found widespread microplastic presence even in this Arctic environment far from major pollution sources.
Abundance and distribution of microplastics in the surface sediments from the northern Bering and Chukchi Seas
This study documented the first records of microplastic contamination in surface sediments from the northern Bering and Chukchi Seas, including waters near Arctic Alaska, finding widespread but variable particle abundances. The findings confirm that even high-latitude Arctic seafloor sediments receive microplastic input, likely transported by ocean currents from distant sources.
Systematical insights into distribution and characteristics of microplastics in near-surface waters from the East Asian Seas to the Arctic Central Basin
Researchers systematically mapped microplastic distribution in near-surface waters from the East Asian Seas to the Arctic Central Basin, detecting particles at 93.9% of sites with an average of 2.91 items/m3 and finding that fragments and fibers dominated across the entire transect.
The Composition of Polluting Materials in the Marine Waters of the Arctic Zone of Russia
Researchers analyzed 99 surface water samples collected via 335-micron Manta nets across Arctic Sea shelf and Barents Sea survey areas during 2019-2021 expeditions, finding a mean plastic concentration of 0.032 units/m3 with polyethylene, polypropylene, LDPE, HDPE, and polystyrene as dominant polymer types, and observing no localized plastic concentration hotspots within the Russian Arctic zone.
Microplastics in sub-surface waters of the Arctic Central Basin
This study detected and characterized microplastics in sub-surface waters of the Arctic Central Basin, finding that even these remote deep waters contain measurable microplastic contamination, likely transported by ocean currents.
First Evidence of Microplastic Occurrence in the Marine and Freshwater Environments in a Remote Polar Region of the Kola Peninsula and a Correlation with Human Presence
Researchers documented the first evidence of microplastic contamination in both marine and freshwater environments in a remote tundra region of the Kola Peninsula near the Arctic. Microplastics were found in all water samples from the Barents Sea and nearby lakes, with concentrations correlating to the proximity of a human research station. The findings indicate that even minimal human presence in remote polar regions can contribute to local microplastic pollution.
Unveiling microplastics pollution in Alaskan waters and snow
Microplastic occurrence was investigated in water bodies and snow samples from Alaska, a region where the extent and distribution of microplastics in terrestrial freshwater and drinking water sources had been unknown. The study provides baseline data on microplastic contamination in this Arctic and sub-Arctic region.
Microplastics abundance and characteristics in surface waters from the Northwest Pacific, the Bering Sea, and the Chukchi Sea
Microplastics were detected in surface waters of the Northwest Pacific, Bering Sea, and Chukchi Sea, with fibrous particles dominating and concentrations varying by ocean region and proximity to shipping lanes.
Microplastics in Russian Freshwater Systems: a Review
This review synthesizes published research on microplastic contamination in Russian freshwater systems, cataloguing particle abundance, polymer types, and spatial distribution patterns across rivers and lakes despite the relatively limited number of Russian studies compared to global literature.
Microplastic contamination of marine environment of the Barents and Kara seas in 2019
This Russian-language study measured microplastic contamination in the Barents and Kara Seas in 2019, two Arctic ocean regions experiencing rapid environmental change. The findings document plastic pollution in these remote polar waters, which serve as important ecosystems for fish, marine mammals, and seabirds.
The occurrence and sources of microplastics to Arctic and sub-Arctic beaches: human influence on local microplastic hotspots
Researchers characterized microplastic occurrence and sources at Arctic and sub-Arctic beaches, finding that proximity to human settlements creates local hotspots, while more remote beaches receive microplastics primarily through long-range oceanic transport.
Microplastics in the Eurasian Arctic surface water: main sources and drivers of spatiotemporal variability
Researchers conducted the most extensive survey of floating microplastics in the Eurasian Arctic to date, collecting 220 surface water and 180 subsurface water samples across the Barents, Kara, Laptev, and East-Siberian seas during six cruises from 2019 to 2022. They found a strong west-to-east gradient in microplastic pollution, declining from 19.0 micrograms per cubic meter in the Barents Sea to 2.0 micrograms per cubic meter in the East-Siberian Sea, with the Kara Gate Strait showing the highest concentration at 640 micrograms per cubic meter, suggesting the Barents Sea as the primary source of microplastics in the Siberian Arctic.
Microplastics in the Arctic: a transect through the Barents Sea
Researchers collected large-volume sub-surface water samples along transects through the Barents Sea to quantify and characterize microplastics, examining the role of regional ocean currents in concentrating plastic debris. The study contributes baseline data on microplastic distribution in this productive Arctic marginal sea mooted as a potential sixth ocean gyre for plastic accumulation.
The problem of Microplastic Accumulation in the Arctic Ocean
This review highlights the emerging threat of microplastic accumulation in the rapidly warming Arctic Ocean, documenting MP presence in seawater, sediments, sea ice, and marine organisms and identifying the Arctic as a convergence zone for plastic pollution transported by ocean currents.