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61,005 resultsShowing papers similar to Microplastic pollution in oyster bed ecosystems: An assessment of the northern shores of the United Arab Emirates
ClearOyster Beds and Reefs of the United Arab Emirates
A survey of oyster habitats in the United Arab Emirates found microplastics present in both sediments and oyster tissue despite otherwise good water quality conditions. Since oysters are filter feeders that accumulate contaminants and are consumed by people, their contamination with microplastics raises direct food safety concerns in this coastal region.
Quantitative and qualitative determination of microplastics in oyster, seawater and sediment from the coastal areas in Zhuhai, China
Researchers quantified microplastics in oysters, seawater, and sediment along the Zhuhai coastline, finding 0.14–7.90 items/g in oyster soft tissue, 10–27.5 items/L in seawater, and 0.053–0.26 items/g in sediment, with polyethylene fibers as the dominant type across all matrices.
Microplastic pollution in the littoral sediments of the northern part of the Oman Sea
Researchers conducted the first assessment of microplastic pollution in littoral sediments of the northern Oman Sea, finding MPs at all eight sampling stations at abundances of 138.3 to 930.3 particles per kg. Polyethylene was the dominant polymer, with fibers and fragments the most common shapes, establishing a baseline and underscoring the need for improved waste management and environmental protection in the region.
Microplastics in the European native oyster, Ostrea edulis, to monitoring pollution-related patterns in the Solent region (United Kingdom)
This is the first study to examine microplastic contamination in the European flat oyster, finding microplastics present in every oyster sampled from the Solent region in southern England. Researchers detected particles in both gill and digestive tissues, with fibers being the most common type. The study raises concerns about shellfish as a pathway for human microplastic exposure, since oysters are commonly consumed as whole organisms.
Profiling microplastics in the Indian edible oyster, Magallana bilineata collected from the Tuticorin coast, Gulf of Mannar, Southeastern India
This study quantified microplastic contamination in the Indian edible oyster Magallana bilineata collected from India's Gulf of Mannar, finding plastic particles in the majority of oysters sampled. Given the importance of oysters to local diets and fisheries, the results raise direct concerns about human dietary exposure to microplastics through seafood consumption in coastal India.
Microplastics contamination in molluscs from the northern part of the Persian Gulf
Researchers analyzed microplastic contamination in five species of mollusks from the northern Persian Gulf, including both gastropods and bivalves with different feeding strategies. They found microplastics in all species, with concentrations ranging from 0.2 to 21 particles per gram of soft tissue, and fibers were the most common type. The study indicates that microplastic contamination is widespread in Persian Gulf seafood and that filter-feeding organisms tend to accumulate more particles.
Prevalence and Distribution of Microplastics in Oysters from the Mississippi Sound
Scientists measured microplastic levels in oysters from ten locations across the Mississippi Sound along the Gulf Coast. They found microplastics in every sample, with concentrations ranging from about 5 to 31 particles per gram of oyster tissue, and plastic particles were present in all tissue types examined. Since oysters are filter feeders consumed by both wildlife and people, the findings point to microplastics as a concern for both ecosystem and food safety.
Occurrence and spatial distribution of microplastics in the intertidal sediments along the Oman Sea
This study documented microplastic contamination in intertidal sediments along seven locations on the Oman Sea coast, finding average levels of about 315 particles per kilogram of dry sediment. Fragments and fibers dominated, with polypropylene as the most common polymer identified by Raman spectroscopy. The results confirm that microplastic pollution has reached the Oman Sea coastline and call for regional regulations to reduce plastic inputs into this relatively understudied marine environment.
Microplastic contamination in filter-feeding oyster Saccostrea cuccullata: Novel insights in a marine ecosystem
Researchers examined microplastic contamination in the filter-feeding oyster Saccostrea cuccullata collected from five coastal sites. They found microplastics present in all oyster specimens, with fibers and fragments being the most common types detected. The study highlights how filter-feeding shellfish can accumulate microplastics from surrounding waters, raising concerns about contamination in marine food chains.
Microplastic Contaminants in the Sediment of the East Coast of Saudi Arabia
Researchers conducted the first measurement of microplastic contamination in sediments along four beaches on Saudi Arabia's east coast, finding 586 microplastic particles with fibers being the dominant shape (96%) and polyethylene terephthalate the most common polymer type, with abundance varying between tidal zones.
Microplastic occurrence in finfish and shellfish from the mangroves of the northern Gulf of Oman
This study assessed microplastic pollution in finfish and shellfish from mangrove habitats in the northern Gulf of Oman, finding the highest prevalence in crabs, with fragments and fibers as the dominant particle types, confirming microplastic contamination in ecologically important coastal ecosystems.
Microplastic pollution in marine waters and sediments of Abu Dhabi Emirate, UAE
Scientists found tiny plastic particles in the water and sand around Abu Dhabi, with the highest levels near oil operations, ports, and islands. These microplastics—which are smaller than a pencil eraser—come from everyday items like plastic bottles and fishing nets that break down over time. This matters because these tiny plastics can enter the food chain through fish and shellfish that people eat, though more research is needed to understand the full health effects.
Quantification and characterization of microplastics ingested by mangrove oysters across West Africa
Researchers analyzed microplastic contamination in mangrove oysters from five West African countries and found plastic particles in every sample, with the Gambia having the highest levels. Microfibers, particularly those from textiles, were the most common type found, with polyethylene being the dominant polymer across all countries. The findings raise concerns about human exposure to microplastics through oyster consumption in the region.
Microplastic in oysters: A review of global trends and comparison to southern Australia
Researchers reviewed global studies on microplastics in oysters and conducted their own sampling across eight sites in southern Australia. Globally, 94.4% of oysters contained microplastics, and the study found that wild-caught oysters contained more than double the microplastics of farmed specimens, likely because aquaculture operations tend to be located in cleaner waters.
Evaluation of microplastics in beach sediments along the coast of Dubai, UAE
Researchers evaluated microplastic contamination in beach sediments from 16 Dubai coastal sites, finding an average concentration of 59.71 items/kg dry sediment with blue fibrous particles and polyethylene strings as the dominant types. XRF analysis of 480 microplastics identified 13 heavy metals on particle surfaces, including 5 priority pollutants, highlighting the dual contamination risk posed by plastics in this arid coastal environment.
Microplastic contamination in Saccostrea cucullata: a baseline study along the rocky shore in southwest area of Peninsular Malaysia off Strait of Malacca
Researchers conducted a baseline study of microplastic contamination in rock oysters (Saccostrea cucullata) along eight rocky shore sites in Peninsular Malaysia, finding that 58.5% of detected particles were confirmed microplastics, providing early data on plastic uptake in sessile filter feeders.
Baseline assessment of microplastics in commercially important marine bivalves from New York, U.S.A.
Researchers established the first baseline assessment of microplastics in eastern oysters and hard clams from New York coastal waters, finding microplastic contamination across all sampling sites and providing reference data for the northeast U.S. Atlantic region.
Spatio-temporal contamination of microplastics in shellfish farming regions: A case study
Researchers assessed microplastic contamination in a major French shellfish farming region over one year, finding that mussels and oysters contained confirmed microplastics with polyethylene and polypropylene as dominant polymer types, varying by site and season.
Contamination by microplastics in oysters shows a widespread but patchy occurrence in a subtropical estuarine system
Researchers examined microplastic contamination in oysters across a subtropical estuarine system and found widespread but highly variable levels of pollution. Higher contamination generally correlated with areas of greater human activity, though unexpectedly high levels were also found in remote marine protected areas. The study found that 94 percent of oyster samples contained microplastics, suggesting these bivalves could serve as indicators of environmental contamination.
Microplastic in cultured oysters from different coastal areas of China
Researchers quantified microplastics in oysters from 17 coastal sites across China, finding contamination at every location with an average of 2.93 particles per gram of tissue. The most common types were fibers and fragments, and the study highlights the potential for human dietary exposure to microplastics through seafood consumption.
Microplastic Content in Oysters (Crassostrea virginica) from South Carolina, USA
Researchers analyzed microplastic content in oysters, water, and sediments from four estuaries in South Carolina, USA, quantifying contamination levels across these matrices in the commercially important Eastern oyster Crassostrea virginica.
Microplastic accumulation in oysters along a Bornean coastline (Brunei, South China Sea): Insights into local sources and sinks
Researchers found microplastics in all oyster samples along a Bornean coastline, with contamination levels in the polluted Brunei Estuarine System reaching up to 7.20 particles/g tissue, dominated by small polypropylene fragments under 50 µm, while relatively pristine open-shore sites showed substantially lower accumulation.
Occurrence of microplastics in wild oysters (Crassostrea tulipa) from the Gulf of Guinea and their potential human exposure
Researchers found that 84% of wild mangrove oysters from Ghana's coast had ingested microplastics, with fibers being the most common type, highlighting potential human health exposure through seafood consumption in the Gulf of Guinea.
Microplastics in oysters Saccostrea cucullata along the Pearl River Estuary, China
Microplastics were found in oysters from multiple sites along the Pearl River Estuary in China, with concentrations varying by site and correlating with local microplastic levels in surrounding water. The results indicate that farmed and wild oysters in this heavily polluted estuary accumulate microplastics that could reach consumers.