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61,005 resultsShowing papers similar to Microplastic retention in European flat oyster Ostrea edulis cultured in two Mediterranean basins
ClearSeasonality influences microplastic occurrence in cultured European flat oyster
This study examined how seasonal variation influences microplastic accumulation in European flat oysters raised in aquaculture, recognizing that oysters filter large volumes of seawater and concentrate contaminants. Microplastic loads in oysters varied across seasons, linked to changes in water column particle dynamics and agricultural runoff patterns.
Microplastics exposure in European flat oyster, Ostrea edulis: Evaluation of accumulation and depuration under controlled conditions and molecular assessment of a set of reference genes
Researchers evaluated microplastic accumulation and effects in European flat oysters under controlled exposure conditions, examining how filter feeding concentrates plastic particles and whether ingestion impairs oyster health. Exposure resulted in measurable microplastic accumulation in oyster tissue, with effects observed on feeding behavior and physiological condition.
Microplastics exposure in European flat oyster, Ostrea edulis: Evaluation of accumulation and depuration under controlled conditions and molecular assessment of a set of reference genes
Researchers assessed microplastic exposure, accumulation, and depuration in European flat oysters (Ostrea edulis), a species of conservation and aquaculture interest. Oysters accumulated microplastics efficiently and required extended depuration periods to substantially reduce body burdens, with implications for food safety.
Seasonality influences microplastic occurrence in cultured European flat oyster
Researchers monitored microplastic occurrence in cultured European flat oysters across seasons, finding that seasonal variation in water quality and phytoplankton abundance influenced microplastic uptake. Oyster contamination levels fluctuated significantly by season, with implications for food safety monitoring.
Microplastics in Mediterranean Mussel Mytilus galloprovincialis: Comparison between Cultured and WildType Mussels from the Northern Adriatic
Researchers assessed microplastic contamination in the digestive glands of Mediterranean mussels collected from pristine, aquaculture, and port areas along the northern Adriatic coast. The highest contamination was found in mussels from a Croatian marina, with the smallest particles in the 5-to-10-micrometer range being the most prevalent. The study highlights that mussels accumulate microplastics regardless of their environment, with port areas showing notably higher contamination levels.
First occurrence and composition assessment of microplastics in native mussels collected from coastal and offshore areas of the northern and central Adriatic Sea
Microplastics were detected for the first time in native mussels from coastal and offshore areas of the northern and central Adriatic Sea, with chemical analysis confirming common plastic polymers and offshore populations also affected. The study establishes a baseline for microplastic contamination in an important Mediterranean commercial shellfish species.
Effects of microplastics on European flat oysters, Ostrea edulis and their associated benthic communities
Researchers assessed the effects of microplastics on European flat oysters and their associated benthic communities in outdoor mesocosms. The study found that microplastic exposure affected oyster health and biological functioning, and also altered the structure of surrounding macrofaunal assemblages, demonstrating that microplastic pollution can have community-level ecological impacts.
Levels of microplastics and their characteristics in molluscs from North-West Mediterranean Sea: Human intake
Researchers measured microplastic contamination in commercially consumed mollusks along the Catalan coast of the Mediterranean Sea, finding microplastics in all species tested. Large oysters and mussels had the highest concentrations at around 19 to 23 particles per individual. Based on typical consumption patterns, the study estimated that the local adult population ingests an average of over 8,000 microplastic particles per year through mollusk consumption alone.
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.
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.
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.
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.
Realistic Environmental Exposure of Microplastics in European Flat Oyster, Ostrea edulis: Evaluation of Accumulation and Depuration Under Controlled Conditions and Molecular Assessment of a Set of Reference Genes
Researchers exposed European flat oysters to microplastics under environmentally realistic conditions and measured their ability to accumulate and then purge the particles. They found that oysters accumulated an average of about 5 microplastic particles per gram, predominantly filaments, but a two-day depuration period reduced contamination by over 90%. The study also identified stable reference genes for molecular stress monitoring, supporting the development of standardized tools for tracking microplastic impacts on marine bivalves.
Microplastic concentrations in cultured oysters in two seasons from two bays of Baja California, Mexico
Researchers measured microplastic concentrations in cultured Pacific oysters from two bays in Baja California, Mexico, across winter and summer seasons. Microfibers were the most abundant particle type found in all samples, with higher concentrations observed during winter. The study suggests that seasonal and spatial factors influence microplastic accumulation in farmed shellfish, which is relevant given that oysters are consumed whole by humans.
Assessment of microplastics in oysters in coastal areas of Taiwan
Microplastics were quantified in oysters from 22 sites along Taiwan's coastlines, providing a comprehensive baseline for MP contamination in commercially farmed and wild oysters across different coastal zones.
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.
Microplastics in Cultured Oyster, Crassostrea madrasensis for Human Consumption
Microplastics were found in cultured oysters, water, and sediments from three sites in Kalpitiya lagoon, Sri Lanka. Because oysters are eaten whole, the presence of microplastics in farmed shellfish poses a direct route for human ingestion of plastic particles.
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.
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.
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.
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 occurrence in the Tyrrhenian waters and in the gastrointestinal tract of two congener species of seabreams
Microplastics were found in both seawater and the gastrointestinal tracts of two commercially important Mediterranean fish species, Pagellus erythrinus and P. bogaraveo, collected from the Tyrrhenian Sea. The study highlights the prevalence of microplastic contamination in edible fish and raises concerns about human dietary exposure through seafood consumption.
Seasonal change of microplastics uptake in the Pacific oysters Crassostrea gigas cultured in the Yellow Sea and Bohai Sea, China
Researchers monitored seasonal microplastic uptake in Pacific oysters from five aquaculture farms in China's Yellow and Bohai Seas, finding that autumn had the highest accumulation, fibers were the dominant shape, and PET and cellophane were the most common polymers, with oyster contamination positively correlated with surrounding seawater levels.
Microplastic pollution in wild and aquacultured Mediterranean mussels from the Sea of Marmara: Abundance, characteristics, and health risk estimations
Researchers compared microplastic contamination in wild and commercially farmed mussels from the Sea of Marmara in Turkey. They found microplastics in all mussel samples, with wild mussels containing somewhat different types and amounts compared to aquacultured ones, and fibers being the dominant form in both. The study estimates that regular consumption of these mussels represents a measurable pathway for human exposure to microplastics through seafood.