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61,005 resultsShowing papers similar to Microplastic pollution identified in deep-sea water and ingested by benthic invertebrates in the Rockall Trough, North Atlantic Ocean
ClearPlastic microfibre ingestion by deep-sea organisms
Researchers provided the first evidence that microplastics are being ingested and internalized by deep-sea organisms living on the ocean floor. The study found plastic microfibres in multiple deep-water species, demonstrating that microplastic contamination has already reached some of the most remote habitats on Earth.
Microplastic pollution in deep-sea sediments
Researchers analyzed deep-sea sediment cores and found microplastics present at depth, providing early evidence that deep-sea sediments globally accumulate microplastic pollution far from coastlines and at the seafloor.
Consistent microplastic ingestion by deep-sea invertebrates over the last four decades (1976–2015), a study from the North East Atlantic
Researchers found consistent microplastic ingestion by deep-sea invertebrates in the North East Atlantic over a 40-year period from 1976 to 2015, demonstrating that microplastic contamination of remote deep-sea habitats is a long-standing and persistent problem.
Unseen pollutants: Microplastics in deep-sea invertebrates
Microplastics were detected in deep-sea invertebrates from multiple ocean basins, confirming that plastic contamination has penetrated to organisms living in the darkest, most remote zones of the ocean. This finding raises concerns about the ecological and food-web implications of deep-sea microplastic exposure.
Microplastic pollution in deep-sea sediments and organisms of the Western Pacific Ocean
Researchers collected deep-sea sediment and organism samples from multiple sites in the western Pacific Ocean and found microplastics at all locations sampled, with depth, distance from land, and current patterns influencing accumulation, confirming the western Pacific deep sea as a significant microplastic sink.
Deep Sea Microplastic Pollution Extends Out to Sediments in the Northeast Atlantic Ocean Margins
Researchers surveyed deep-sea sediments across four areas of the Northeast Atlantic and detected microplastics at 75% of stations sampled, finding no hotspots and no clear correlation with depth or distance from land, demonstrating the widespread extent of deep-sea microplastic contamination.
Investigation of Microplastics from Deep-Sea Antarctic and West Coast North American Sediments
Microplastics were identified in deep-sea sediments from both Antarctic and North American Pacific sites, confirming that plastic pollution has reached even the most remote ocean floor environments far from human activity.
>b/b<: influence of feeding mode on microplastic intake by benthic organisms and detection of persistent organic pollutants in biological and sediment samples
This study investigated micropollutant accumulation including microplastics in deep-sea organisms from the Southern Atlantic, examining how feeding mode influences contaminant intake. Results showed that filter feeders and deposit feeders accumulated different levels of microplastics and chemical pollutants, reflecting the deep sea's vulnerability to surface pollution.
Microplastics in the abyss: a first investigation into sediments at 2443-m depth (Toulon, France)
Researchers conducted the first microplastic investigation of deep-sea sediments at 2,443-m depth near Toulon, France, finding microplastics present in abyssal sediments and suggesting that deep-sea environments are not isolated from surface plastic pollution.
Synthetic and Semi-Synthetic Microplastic Ingestion by Mesopelagic Fishes From Tristan da Cunha and St Helena, South Atlantic
Scientists examined the digestive tracts of deep-sea mesopelagic fish from the remote South Atlantic and found microplastics in their intestines. The presence of plastic in fish at depths down to 1,000 meters in one of the most isolated ocean regions confirms that microplastic contamination has reached even the deep ocean.
Microplastic accumulation in deep-sea sediments from the Rockall Trough
Microplastics were found throughout sediment cores from over 2,000 meters depth in the North Atlantic's Rockall Trough, with concentrations decreasing with sediment age but extending well below the depth predicted by recent plastic production history, suggesting physical redistribution into older sediment layers. Microplastic abundance correlated with sediment porosity, indicating that pore water transport moves particles vertically after deposition.
Microplastic Contamination of a Benthic Ecosystem in a Hydrothermal Vent
Researchers documented microplastic contamination in a deep-sea hydrothermal vent at the Central Indian Ridge for the first time. The study found microplastics in seawater, sediments, and all six major benthic species examined, with polypropylene, PET, and polystyrene fragments being the most common types, demonstrating that plastic pollution has reached even extreme deep-sea environments.
Micropoluentes no mar profundo: influência do modo alimentar na ingestão de microplásticos em organismos bentônicos e detecção de poluentes orgânicos persistentes em amostras biológicas e de sedimento
This Portuguese-language study examined micropollutant exposure including microplastics in deep-sea organisms from the Southern Atlantic, analyzing how feeding mode determines microplastic ingestion across different species. The research found that even the most remote marine habitats on Earth harbor plastic contamination detectable in deep-sea fauna.
A novel method enabling the accurate quantification of microplastics in the water column of deep ocean
A new sampling method was developed to accurately measure microplastics in the deep ocean water column, addressing gaps left by traditional net trawls that miss very small particles. Reliable deep-sea sampling is critical since the deep ocean is thought to be a major sink for global microplastic pollution.
Comparison of Microplastic abundance in varying depths of deep-sea sediments, Bay of Bengal
Researchers measured microplastic concentrations in deep-sea sediment samples from the Bay of Bengal at depths of 225 to 1,070 meters, finding the highest concentrations at intermediate depths. The findings add to evidence that microplastics have penetrated into deep-sea environments far from the surface.
High Abundances of Microplastic Pollution in Deep-Sea Sediments: Evidence from Antarctica and the Southern Ocean
Microplastic pollution was investigated in deep-sea sediments from Antarctic and Southern Ocean regions, finding high abundances that varied among sites. The study confirmed that microplastics are accumulating in the remote Antarctic deep-sea environment, with evidence going back to scientific literature from the 1980s that has accelerated in recent years.
Microplastics and synthetic particles ingested by deep-sea amphipods in six of the deepest marine ecosystems on Earth
Amphipod crustaceans from six of the deepest Pacific ocean trenches (7,000–10,890 m depth) were examined for microplastic ingestion, with over 72% of the 90 individuals containing at least one microparticle, including fibers, films, and fragments of polyethylene terephthalate and nylon. The study provides the first evidence that microplastic contamination reaches the deepest inhabited parts of the world's oceans.
Prevalence of microplastics and anthropogenic debris within a deep-sea food web
Researchers documented microplastic prevalence across 17 genera spanning approximately five trophic levels in the Monterey Bay submarine canyon food web, finding evidence of trophic transfer of microplastics through the deep-sea ecosystem and higher contamination in organisms from mid-water and benthic habitats.
Low prevalence of microplastic contamination in the bottom sediments and deep-sea waters of the Bransfield strait, Antarctica
Researchers conducted a baseline assessment of microplastic contamination in the deep-sea waters and bottom sediments of the Bransfield Strait in Antarctica. They found a low but measurable prevalence of suspected microplastic particles, predominantly fibers, even in this remote deep-sea environment. The findings confirm that microplastic pollution has reached some of the most isolated marine habitats on Earth.
The deep sea is a major sink for microplastic debris
Researchers analyzed deep-sea sediments from the Atlantic, Mediterranean, and Indian Ocean and found microplastic fibers up to 4 orders of magnitude more concentrated than at the contaminated sea surface, identifying the deep seafloor as a vast and previously unknown repository of the world's 'missing' plastic.
Microplastic in the stomachs of open-ocean and deep-sea fishes of the North-East Atlantic
Researchers investigated microplastic occurrence in the stomachs of 390 fish from three pelagic and two deep-sea species in the North-East Atlantic, comparing plastic ingestion between fish occupying contrasting ocean compartments. The study documented microplastic presence across species at different depths, highlighting how plastic contamination extends throughout the oceanic water column.
First long-term evidence of microplastic pollution in the deep subtropical Northeast Atlantic
Researchers found microplastic particles in all 110 sediment trap samples collected over a 12-year period from 2,000-meter depths in the Northeast Atlantic, establishing the deep ocean as a long-term sink for microplastics with fluxes increasing over time.
High Quantities of Microplastic in Arctic Deep-Sea Sediments from the HAUSGARTEN Observatory
Researchers found high quantities of microplastics in deep-sea sediments from the Arctic HAUSGARTEN observatory, demonstrating that even remote deep Arctic seafloor environments have accumulated significant microplastic pollution.
Microplastics Baseline Surveys at the Water Surface and in Sediments of the North-East Atlantic
Researchers measured microplastic concentrations at the sea surface and in sediments across the southern North Sea and northwestern Europe, finding highly variable but widespread contamination. Sediments contained far higher concentrations than surface waters, confirming that the seafloor acts as a major sink for microplastic pollution.