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61,005 resultsShowing papers similar to Microplastic Accumulation in Solen dactylus Cosel, 1989 (Bivalvia: Solenidae) along the Indus Delta, Pakistan
ClearPreliminary Study on Abundance of Microplastic in Sediments and Water Samples Along the Coast of Pakistan (Sindh and Balochistan)-Northern Arabian Sea
Researchers found high levels of microplastic contamination along 25 locations on Pakistan's Arabian Sea coastline, with mean concentrations of 582 particles/L in seawater and 987 particles/kg in sediment, and fibers comprising up to 99% of all detected microplastics.
Microplastic contamination in commercially important bivalves from the southwest coast of India
Microplastics were detected in water and three commercially important bivalve species along the southwest coast of India, with concentrations varying by species and collection site. The presence of plastic particles in filter-feeding shellfish intended for human consumption raises concerns about dietary exposure.
Assessment and Analysis of Microplastics in Commercially Sold Bivalves from Los Baños, Laguna, and Lipa, Batangas, Philippines
Researchers extracted and characterized microplastics from three commercially sold bivalve species (green mussel, Manila clam, and freshwater clam) purchased at Philippine markets, finding contamination ranging from 0.52 to 2.94 microplastic particles per gram fresh weight with fibers being the most common type.
Assessment of microplastic contamination in clams and shrimp from estuarine environments of Goa: implications for environmental health and food safety
Researchers examined clams and shrimp from estuarine environments in Goa, India, and found microplastics present in both species and their surrounding waters, with shrimp from one site showing particularly high contamination and bioaccumulation. The particles were predominantly polyamide, polyethylene, and polystyrene fibers and fragments, likely originating from fishing, tourism, and waste disposal activities. The findings raise concerns about food safety for local and tourist populations who regularly consume seafood from these coastal areas.
Asian clam Corbicula fluminea as potential biomonitor of microplastics and metal(oid)s in a Patagonian River
Researchers examined the Asian clam as a potential biological indicator of microplastic pollution in a Patagonian river and found microplastics in the soft tissues of all sampled clams. Fibers were the dominant type detected, suggesting textile-related contamination sources. The study suggests that these widely distributed clams could serve as effective biological monitors for tracking microplastic and metal pollution in freshwater ecosystems.
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.
Microplastics in the foreshore coastal waters, sediment, and coastal fauna of a highly populated megacity - A study on the effect of anthropogenic discharge on clams
Researchers documented microplastic contamination in coastal waters, sediments, and clams across three beaches of a highly populated Indian megacity, finding high abundances of up to 537.5 items per liter in water and significant bioaccumulation in clam soft tissues.
Microplastic concentrations in two Oregon bivalve species: Spatial, temporal, and species variability
Researchers measured microplastic contamination in Pacific oysters and Pacific razor clams from 15 sites along the Oregon coast. They found microplastics in organisms from all sites, with whole oysters averaging about 11 pieces per individual, mostly fibers. This is the first study to document microplastics in Pacific razor clams and provides valuable coast-wide baseline data for comparing contamination across species, seasons, and locations.
Characteristics and hazard risk of microplastics in Sinonovacula constricta: from farming to market
A study of razor clams (Sinonovacula constricta) sold in Chinese markets found microplastics in every sample, with farm-raised clams carrying about four times more particles than market samples — most concentrated in the viscera rather than the muscle tissue people eat. The dominant plastic type was polypropylene, and despite lower overall counts, market clams showed a higher hazard risk index due to elevated levels of polyvinyl chloride, underscoring that cleaning and handling practices only partially reduce consumer exposure.
The occurrence and exposure of microplastics in bivalves from Qingdao, China
Researchers surveyed microplastic contamination in bivalves such as clams and mussels from the coast of Qingdao, China, and assessed human dietary exposure from eating them. They found an average of about one microplastic particle per individual shellfish, with fibers and rayon being the most common types. The study suggests that regular bivalve consumption in the region contributes to ongoing human microplastic exposure.
Characteristics and abundance of microplastics in bean clam (Donax sp.), Setawar Beach
Researchers found microplastics in bean clams (Donax sp.) collected at Setawar Beach, Indonesia, characterizing contaminating particles by type, color, and abundance, and noting that the site is exposed to plastic waste from domestic and fishing sources.
Microplastic Contamination from Ready-to-Cook Clams: Implications for Food Safety and Human Exposure
Researchers characterized microplastic contamination in ready-to-cook frozen clams from commercial sources, assessing particle morphology, chemical identity, and polymer hazard index, and estimated average daily intake for consumers to evaluate food safety implications of microplastic contamination in bivalve seafood.
Microplastics in Scylla Serrata: A baseline study from southwest India
Researchers examined microplastic contamination in the mud crab Scylla serrata from mangrove habitats on India's southwestern coast and found an average of about 29 microplastic particles per individual. Fibers were the dominant type, and polypropylene and polyethylene were the most common polymers detected. The study establishes a baseline for microplastic presence in a commercially important crab species, raising questions about potential human exposure through seafood consumption.
Microplastics in four bivalve species and basis for using bivalves as bioindicators of microplastic pollution
Researchers found microplastics in 80% of shellfish samples (scallops, mussels, oysters, and clams) collected across four seasons in Qingdao, China. PVC and rayon fibers were the most common plastic types, with different shellfish species accumulating different sizes and types of particles. Since these shellfish are commonly eaten by people, the findings highlight a direct route for microplastics to enter the human diet through seafood.
Microplastics contamination and risk assessment in bivalves of economic importance from Beypore estuary, Southern India
Researchers analyzed microplastic contamination in green mussels and clams from the Beypore estuary in southern India and found widespread contamination, with fibers being the most common particle type. They calculated health risk indices for people who regularly eat these shellfish and found the risk was currently low but worth monitoring. Since bivalves are eaten whole, including their digestive systems, they represent a direct pathway for microplastics to enter the human diet.
Microplastics in shrimps: a study from the trawling grounds of north eastern part of Arabian Sea
Researchers examined three species of shrimp from trawling grounds in the Arabian Sea and found microplastics in every individual tested, with an average of nearly seven particles per shrimp. Fibers were the most common type of microplastic found, and six different plastic polymers were identified in the shrimps' digestive tracts. The findings confirm that microplastic contamination is widespread in commercially important seafood species, raising questions about potential transfer to human consumers.
Microplastic contamination from surface waters and commercially valuable fishes of Karachi Coast, Pakistan
Researchers found widespread microplastic contamination in surface waters and gastrointestinal tracts of 15 commercial fish species from Karachi coast, Pakistan, with fibers being the dominant type and higher concentrations near the harbor.
Microplastics in wild clams harvested from coastal waters of Lamongan, Indonesia
Researchers measured microplastic contamination in wild clams harvested from coastal waters off Lamongan, Indonesia, finding MPs in all sampled individuals with polyethylene and polypropylene as the dominant polymers. The findings raise concerns for both clam population health and the safety of shellfish consumed locally.
Microplastic ingestion and retention in penaeid shrimp from the Arabian Sea
Researchers examined the digestive tracts of four commercially harvested shrimp species from the Arabian Sea coast of India and found microplastics in all four, including fibers, pellets, spheres, and fragments made of polyethylene, polystyrene, and other common plastics — providing baseline contamination data for an important seafood source.
Microplastic prevalence, diversity and characteristics in commercially important edible bivalves and gastropods in relation to environmental matrices
Researchers assessed microplastic abundance and characteristics in the tissues of commercially important bivalves and gastropods from the southwest coast of India, finding MPs across all five species examined and raising concerns about seafood safety.
Microplastic prevalence in epipelagic layer: Evidence from epipelagic inhabiting prawns of north-west Arabian Sea
Researchers assessed microplastic contamination in ten commercial prawn species from the northwest Arabian Sea off Gujarat, India. The study found an average of 590 microplastic particles across gastrointestinal tracts, with significant variation between species and harbors, highlighting concerns about microplastic transfer through commercially important seafood.
Multi-matrix approach to microplastic pollution in the bivalve Donax trunculus, sediment and water along the Mediterranean coasts
Researchers studied microplastic contamination across three connected elements along Italy's Mediterranean coast: wedge clams, sediment, and seawater. Both young and adult clams contained microplastics, with fibers being the most common type, confirming that these shellfish accumulate plastic particles from their environment. Since wedge clams are harvested for human consumption, the study highlights how microplastics in coastal waters enter the seafood supply.
Accumulation of microplastic in edible marine species from North Kerala, India
Researchers found microplastics in the edible tissues of three popular seafood species (clams, shrimp, and anchovies) from fish markets in Kerala, India. Fibers and fragments were the most common shapes, with polyethylene and polypropylene being the dominant plastic types. Since these species are consumed whole or with minimal processing, the study highlights a direct pathway for microplastic ingestion by people who eat locally caught seafood.
Plastic driven pollution in Pakistan: the first evidence of environmental exposure to microplastic in sediments and water of Rawal Lake
This study provides the first evidence of microplastic contamination in a freshwater body in Pakistan, examining surface water and sediments of Rawal Lake near Islamabad. Researchers found microplastics in both water and sediment samples, with fibers and fragments being the most common types, composed primarily of polyethylene, polypropylene, and polyester. The study suggests that high population density, improper waste disposal, and recreational activities are the main drivers of contamination.