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61,005 resultsShowing papers similar to Assessment of microplastics pollution level on clam farming and bathing beaches: a case study of Thanh Phu in Ben Tre, Vietnam
ClearCharacteristics of Microplastics in Bivalves of Rock Oysters and Sea Clams in the South Central Coast, Vietnam
Researchers analyzed microplastics in rock oysters and sea clams collected from the South Central Coast of Vietnam using micro-FTIR spectroscopy. They found 1–21 particles per oyster individual and 4–5 per clam, with concentrations of 0.25–1.59 particles per gram of fresh tissue, predominantly fibers and fragments in the 50–500 µm range.
Characteristics and distribution of microplastics in the estuarine environment and beach sands of Can Gio, Ho Chi Minh City, Vietnam
Researchers assessed the spatiotemporal distribution of microplastics in estuaries and beaches of the Can Gio Biosphere Reserve in Ho Chi Minh City, Vietnam, collecting over 300 water and sediment samples across dry and rainy seasons and characterising particles by size, morphology, and polymer composition using FTIR spectroscopy.
The Distribution of Microplastics in Beach Sand in Tien Giang Province and Vung Tau City, Vietnam
Microplastics were found in beach sand samples from four sites in Tien Giang Province and Vung Tau City, Vietnam, with fragments being the most common type near estuaries. The study reveals that popular bathing beaches are hotspots for microplastic contamination, raising concerns for swimmers and seafood consumers.
Distribution and characteristics of microplastics in surface water at some beaches in Thanh Hoa province, Viet Nam
Researchers characterized microplastic density, shape, size, and color in surface water at three beaches in Thanh Hoa province, Vietnam, finding high microplastic concentrations in this coastal marine environment. The study assessed microplastic exposure risks in a region where contamination can enter the food chain through aquatic organisms.
Characteristics of Microplastics in Sediment at Danang Beaches - Vietnam
Researchers characterised microplastics in beach sediments at Danang, Vietnam, determining their abundance, morphology, colour, and polymer composition. The study found microplastic contamination at all sampled sites, identifying fibres and fragments as dominant forms and linking plastic sources to local tourism, fishing, and urban runoff.
Assessment of Microplastics Contamination in Commericial Clams in the Coastal Zone of Vietnam
Microplastic contamination was assessed in commercially harvested clams from aquaculture farms in coastal Vietnam, a country where microplastic impacts on aquaculture are poorly understood. Both vertebrates and invertebrates in coastal areas were found to ingest microplastics, raising concerns about food safety in Vietnamese seafood.
Plastic waste in sandy beaches and surface water in Thanh Hoa, Vietnam: abundance, characterization, and sources
Plastic waste surveys on three major beaches in Thanh Hoa, Vietnam documented abundant marine debris including microplastics, with quantities reflecting nearby anthropogenic activities and waste management gaps. The findings provide a baseline for coastal management and pollution control in the region.
Assessment of microplastic abundance and characteristics in the coastal water of Hai Phong, Vietnam
Researchers assessed microplastic abundance and characteristics in coastal waters of Hai Phong, Vietnam, finding concentrations of 11.1 items per cubic meter in net samples and 1,515.4 items per cubic meter in bucket samples, with fibers accounting for more than 60% of the 2,659 particles identified.
Characteristics of microplastics in shoreline sediments from a tropical and urbanized beach (Da Nang, Vietnam)
Microplastic characterization of shoreline sediments at Da Nang beach, Vietnam found an average of 9,238 ± 2,097 items/kg, with synthetic fibers accounting for 99.2% of particles — predominantly blue and white — concentrated in the 0–5 cm surface layer and smaller than 500 µm.
Assessment of current water quality status in clam areas in Thai Binh Province and proposal for measures to improve efficiency
This study assessed water quality in clam farming areas in Thai Binh Province, Vietnam, monitoring multiple parameters to evaluate farming conditions. Water quality in shellfish farming areas is relevant to microplastic research, as clams accumulate microplastics and other contaminants from their surrounding water.
Assessment of microplastic presence in coastal environments and organisms of Da Nang, Vietnam
Researchers assessed microplastic contamination in seawater, sediments, and marine organisms along the coast of Da Nang, Vietnam. The study found microplastics in all sampled environments, with fibers being the most common shape and nylon the most prevalent polymer type. Benthic organisms like oysters and mussels contained significantly higher microplastic concentrations than fish, suggesting that habitat and feeding behavior influence uptake.
Anthropogenic particle abundance and characteristics in seawater and intertidal sediments of the Tonkin Bay Coast (North Vietnam)
Researchers measured microplastic contamination in seawater and intertidal sediments at four sites along the northern Vietnam coast, finding fiber particles as the dominant type in both compartments. Higher microplastic levels were recorded during the rainy season, suggesting rivers are a primary transport route carrying plastic from inland sources to the sea. The study provides rare baseline data for a developing-country coastal zone and emphasizes that even smaller polymer fragments below the measured size range likely represent a significant unquantified hazard.
Risk assessment of microplastic exposure: A case study near a refinery factory at the central coast of Vietnam
Researchers assessed microplastic contamination on a beach near a refinery on the central coast of Vietnam and found plastic particles in all collected samples, averaging about 1,582 particles per kilogram of sediment. Fibers and fragments were the dominant shapes, with polyethylene terephthalate being the most common polymer type. The study indicates that industrial coastal areas face elevated microplastic pollution levels that may pose environmental and health risks.
Microplastic abundance and characteristics in bivalves from Tam Giang-Cau Hai and O Loan Lagoons, coastal regions in Central Vietnam: Implication on human health
Researchers found microplastics in four types of commonly eaten shellfish from coastal lagoons in Central Vietnam, with an average of 0.3 to 0.9 particles per gram of tissue. Fibers were the most common shape, and the estimated weekly human intake from eating these shellfish ranged from about 56 to 486 particles. The study highlights that regular seafood consumption in coastal communities provides a direct route for microplastic exposure in the human diet.
Distribution of Microplastics in Beach Sand on the Can Gio Coast, Ho Chi Minh City, Vietnam
Researchers conducted the first survey of microplastic distribution in beach sands along the Can Gio Coast in Ho Chi Minh City, Vietnam, finding plastics at all five sites with abundance and composition varying by proximity to urban activity and depth within the sand profile.
Microplastic in Corbicula sp. collected from Ba Be Reservoir
Researchers sampled freshwater clams (Corbicula sp.) from Ba Be Reservoir in Vietnam, finding microplastics in all individuals at densities of 5–11 particles per animal, with fibers, polypropylene, and PET as the dominant types, establishing a baseline for this understudied region.
Investigation of microplastic contamination in blood cockles and green mussels from selected aquaculture farms and markets in Thailand
Researchers investigated microplastic contamination in blood cockles and green mussels from aquaculture farms and markets in Thailand using fluorescence microscopy and micro-FTIR spectroscopy. They found microplastics present in all samples, with fibers being the most common shape and varying abundance levels across different collection sites. The study raises concerns about microplastic contamination in commercially farmed and sold bivalves as a pathway for human dietary exposure.
Risk Assessment of Microplastic Exposure in the Marine Sediment of Southern Central Waters of Vietnam
Researchers collected sediment samples from 14 sites in southern central Vietnamese coastal waters and detected microplastics at all locations (100–1,350 MPs/kg), identifying fibers and fragments as the dominant forms and nine polymer types, providing the first microplastic baseline for this region.
Microplastic abundance and characteristics in seawater and inter-tidal sediments of the Tokin Bay Coast (North Vietnam)
This study characterized microplastic abundance and properties in seawater and intertidal sediments along the northern coast of Vietnam, providing some of the first systematic microplastic data for this developing country. The results document significant contamination in abiotic marine compartments of a rapidly industrializing coastal region.
Microplastic accumulation in bivalves collected from different coastal areas of Vietnam and an assessment of potential risks
Researchers analyzed microplastic accumulation in five common bivalve species collected from aquaculture areas along the coast of Vietnam, finding microplastics in all samples with an average of about 10.84 items per individual. Fibers were the most common shape, concentrated in gills and digestive glands, and a risk assessment suggested potential implications for human health through seafood consumption.
Microplastic contamination in Bivalves: An assessment of potential health risks to humans and bivalves in the Tam Giang Lagoon
Researchers analysed microplastic contamination in three bivalve species from Tam Giang Lagoon in Vietnam, finding 291 MP particles across 36 specimens, with clams showing the highest burden (67% of total MPs). The findings indicate significant human dietary MP exposure from lagoon bivalves and call for monitoring of this food source.
Microplastic pollution in surface seawater and beach sand from the shore of Rayong province, Thailand: Distribution, characterization, and ecological risk assessment
Researchers surveyed microplastic pollution in beach sand and seawater along Rayong province, Thailand, finding average concentrations of 339 particles per kilogram in sand and 1,781 particles per cubic meter in seawater, with polyethylene as the most common polymer type.
Distribution of Microplastics in the Beach Indicating Anthropogenic Sediments: Case Study in Can Gio HCM City, Vietnam
Researchers characterised microplastics in coastal sediments of Can Gio, Ho Chi Minh City, Vietnam across dry and rainy seasons, examining characteristics, composition, size, shape, and distribution through boreholes and excavations at identified cross-sections.
Abundance of Microplastics in Two Venus Clams (Meretrix lyrata and Paratapes undulatus) from Estuaries in Central Vietnam
Microplastics were found at 2.17-5.36 items per gram in two edible bivalve species from Da Nang estuaries in Vietnam, with fibres dominant at 300-1500 microns, and estimated consumer intake from clam consumption of approximately 2489 microplastic items per person per year.