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61,005 resultsShowing papers similar to Nghiên cứu mức độ ô nhiễm vi nhựa trong nước và trầm tích sông Sài Gòn–Đồng Nai
ClearSources of microplastic pollution in the Saigon-Dong Nai rivers, potential risks affecting human health and recommendations for mitigation solutions
Sampling of the Saigon-Dong Nai river system in Vietnam detected microplastic fragments, films, and fibres at concentrations of up to 715,000 particles per cubic metre, primarily sourced from urban runoff, wastewater, and industrial discharge. Because these rivers supply drinking water and support subsistence fishing for millions of people, the findings highlight a significant and largely unquantified human exposure pathway to microplastics in a rapidly urbanising region.
Distribution of microplastics in surface water from Saigon River to Can Gio Sea
Researchers found widespread microplastic contamination in surface water samples from the Saigon River and Can Gio Sea in Vietnam, with concentrations and particle types shifting from river to coastal environments, reflecting the transport of land-based plastic pollution into marine systems.
Abundances and characteristics of sedimentary microplastics in the three main Vietnamese Rivers
Researchers characterized the abundance, types, and distribution of microplastics in sediments of Vietnam's three major rivers, contextualizing findings within Vietnam's status as one of the world's top plastic waste-polluting countries with approximately 3.1 million metric tons of mismanaged plastic waste annually.
Riverine Microplastic Pollution in Vietnam: A Review of Current Scientific Knowledge and Legal Policies
This review summarizes current scientific knowledge and legal policies regarding microplastic pollution in Vietnam's rivers. Evidence indicates that microplastics are present in riverine surface water, sediments, and biota across Vietnam's canal and estuarine systems, with potential implications for human health through seafood consumption and drinking water.
Macroplastic and microplastic contamination assessment of a tropical river (Saigon River, Vietnam) transversed by a developing megacity
Researchers assessed macroplastic and microplastic contamination in a tropical river in Vietnam, finding elevated pollution levels linked to urban and agricultural land use along the waterway.
Occurrence and characteristics of microplastics in water and sediment samples along the red river to the gulf of tonkin, vietnam
Researchers surveyed microplastics in water and sediment along Vietnam's Red River from inland areas to the Gulf of Tonkin, documenting the types, sizes, and polymer compositions present. The findings show how a major river system acts as a pathway delivering plastic pollution from a densely populated landscape into coastal marine waters.
A Review of Microplastics Pollution in the River Basin of Vietnam in Comparison with the World Context
This review examines microplastic pollution across Vietnam's river basins in the context of global patterns, finding significant contamination in surface water, sediments, aquatic organisms, and mangrove ecosystems — particularly in coastal urban areas — with concentrations in some urban rivers reaching 519,000 pieces/m³.
Unraveling microplastic pollution patterns in sediments of a river system: The combined impacts of seasonal changes and waterway differences
Microplastic concentrations in Saigon River and tributary sediments ranged from 140 to 1,200 items/kg, with fiber particles dominant; rainy season flows from tributaries elevated microplastic levels, while the main river showed more dilution effects.
Occurrence and characteristics of microplastics in water and sediment samples along the red river to the gulf of tonkin, vietnam
This study characterized the occurrence and properties of microplastics in water and sediment samples along the Red River from inland Vietnam to the Gulf of Tonkin, mapping contamination levels across a major river system draining into the South China Sea. The findings help establish the scale of plastic inputs from Southeast Asian river systems, which are among the world's largest contributors to ocean plastic pollution.
Distribution and Characteristics of Microplastics in Nhue - Day River Basin, Vietnam
Researchers investigated the distribution and characteristics of microplastics in the Nhue-Day River Basin in Vietnam, finding that microplastic abundance varies with seasonal changes and anthropogenic activities, posing threats to the ecosystem and the roughly 12 million people who depend on this river.
A preliminary assessment of microplastic occurrence and their potential risk as pollutant transport vectors: A case study in Phu Ly, Ha Nam, Vietnam
Researchers conducted a preliminary assessment of microplastic occurrence in Vietnam, identifying microplastics in environmental samples and raising concern about their role as vectors for co-transported pollutants in an undersampled region of Southeast Asia.
Baseline assessment of microplastic concentrations in marine and freshwater environments of a developing Southeast Asian country, Viet Nam
Researchers conducted the first baseline assessment of microplastic concentrations across marine and freshwater environments in Viet Nam, adapting sampling methods for developing-country conditions. They found microplastics present in all sampled water bodies, with concentrations comparable to those reported in more industrialized nations. The study establishes important reference data for tracking future pollution trends in Southeast Asian waterways.
Đánh giá rác thải nhựa, vi nhựa trong nước thải từ cộng đồng dân cư xả thải vào các sông Sài Gòn - Đồng Nai, đề xuất giải pháp xử lý đảm bảo mục tiêu phát triển bền vững
A Vietnamese survey found that 57% of households dispose of plastic waste rather than recycling it, and researchers detected microplastics in surface water samples from the Saigon-Dong Nai river system. The study proposes solutions based on SWOT analysis to reduce plastic waste and prevent microplastic pollution while supporting sustainable development goals.
Microplastics in sediments from urban and suburban rivers: Influence of sediment properties
Researchers measured microplastic concentrations in sediments from 12 sites across three Vietnamese rivers in the Red River Delta during dry and rainy seasons, finding concentrations ranging from 1,600 to 94,300 items per kg dry weight. Fiber-dominated microplastic contamination was strongly influenced by sediment properties including grain size and organic carbon content.
Ô nhiễm rác thải nhựa - một vấn đề nan giải
This Vietnamese-language overview discusses plastic waste pollution as a serious global environmental problem, describing its impacts on ecosystems, wildlife, human health, and the economy. The paper calls for improved waste collection, recycling, and policy action to address the growing plastic crisis.
Karakteristik sampah mikroplastik di Muara Sungai DKI Jakarta
This Indonesian-language study characterized microplastics found at the mouths of rivers flowing through Jakarta. River mouths are major hotspots for plastic accumulation, as they collect debris washed from urban areas and funnel it toward coastal and marine environments.
Microplastic Pollution in High Population Density Zones of Selected Rivers from Southeast Asia
Researchers compared microplastic pollution in three major Southeast Asian rivers, the Chao Phraya in Thailand, the Saigon River in Vietnam, and the Citarum River in Indonesia, all in densely populated urban areas. Microplastics were found at every sampling site, with the highest levels in Thailand's river. Since these rivers supply water for drinking, agriculture, and fishing for millions of people, the contamination directly affects human microplastic exposure in the region.
Urban drainage channels as microplastics pollution hotspots in developing areas: A case study in Da Nang, Vietnam
An urban drainage channel in Da Nang, Vietnam receiving domestic wastewater and landfill leachate was identified as a microplastic hotspot, with high concentrations of diverse plastic types reflecting both household and industrial sources. The study highlights drainage infrastructure in rapidly developing Asian cities as significant conduits for microplastic transport to coastal waters.
Contamination and characterization of microplastics in different sediments of the river estuaries (the inner Gulf of Thailand)
Researchers measured microplastic contamination in river estuary sediments in the inner Gulf of Thailand, finding widespread contamination at all sites. The study characterizes the types and abundance of microplastics in a highly trafficked coastal region of Southeast Asia.
Microplastics pollution in selected rivers from Southeast Asia
Researchers surveyed microplastic pollution in rivers across Southeast Asia, a region with high plastic waste discharge but limited monitoring data, documenting the distribution and characteristics of microplastics in these understudied waterways.
Ecological risk assessment of microplastics and heavy metals in Northern Vietnam's estuarine sediments: A case study of Ba Lat and Bach Dang
Researchers assessed microplastic abundance and ecological risk alongside ten heavy metals in estuarine sediments from the Ba Lat and Bach Dang estuaries of northern Vietnam's Red-Thai Binh River system, finding co-contamination patterns that pose compounded ecological risks to these biodiverse coastal ecosystems.
Presence of Microplastic in Bottom Sediments of the Bach Hac River in Phu Tho Province, Vietnam
Microplastic contamination was documented in bottom sediments of the Bach Hac River in Phu Tho Province, Vietnam, with rivers identified as primary pathways transporting land-based MPs to the ocean. The study found that river sediments act as significant reservoirs for MP accumulation in upstream freshwater systems.
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.
Emergence of microplastics in the aquatic ecosystem and their potential effects on health risks: The insights into Vietnam
This review examines the growing microplastic contamination in Vietnam's waterways, where concentrations in surface water vary enormously depending on location. Highly populated cities like Hanoi and Ho Chi Minh City show the highest levels, with plastics entering water through agricultural runoff, textile production, and consumer products. The contamination poses health risks to millions of people through drinking water and seafood consumption.