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61,005 resultsShowing papers similar to Microplastic Pollution in Waters and Sediments in a Lentic System: A Case Study in a Tropical Wet Urban Lake of Samarinda, Indonesia
ClearMicroplastic pollution in sediments of tropical shallow lakes
Researchers found microplastics in all sediment samples from 48 tropical shallow lakes across a climatic gradient, with fibres dominating over fragments and polyester being the most common polymer, indicating widespread plastic contamination even in inland freshwater ecosystems.
Microplastic Contamination in Water and Sediment at Maninjau Lake, Indonesia
Researchers quantified microplastic contamination in surface water and sediment across 10 locations in Maninjau Lake, Indonesia, finding abundances ranging from 65.63 to 195.31 particles/m3 in water and 199.52 to 7,000 particles/kg dry weight in sediment. Fiber, film, fragment, and granule shapes were identified, highlighting contamination risks to a lake critical for water supply, hydroelectric energy, and aquaculture.
Assessment of microplastic on tropical tidal lake waters in Medan (study cases-Siombak lake)
Researchers assessed microplastic pollution in Siombak Lake, a tropical tidal lake in Medan, Indonesia, sampling water and sediments and characterising particles by Raman spectroscopy and microscopy. They found concentrations of 91-126 particles per 100 mL of water and 262-398 particles per gram of dry sediment, dominated by fragment shapes and composed primarily of polyethylene, polypropylene, and polystyrene, with a strong correlation between water and sediment concentrations.
Presence of microplastics in surface waters and sediments of urban tropical river: A case study in the Karang Mumus River along Samarinda City, Indonesia
Researchers found microplastics in every water and sediment sample collected from an urban tropical river in Samarinda, Indonesia, with polyethylene being the most common plastic type and films being the most frequent shape. This first study of the river provides a baseline for understanding microplastic pollution in under-studied tropical urban waterways in Southeast Asia.
The occurrence of microplastics in the surface water of several urban lakes in the Megacity of Jakarta
Six urban lakes in the Jakarta metropolitan area were all found to contain microplastics in their surface water, with the most downstream lakes closest to Jakarta Bay showing the heaviest contamination. The study highlights how plastic waste flowing through populated urban watersheds accumulates in lakes before eventually reaching the ocean. Dense urban areas with poor waste management are key hotspots for freshwater microplastic pollution.
Microplastics in Weras Ganga, Bolgoda North Lake, Sri Lanka: A Reflection of Urban Waste Mismanagement
Researchers analyzed microplastic pollution in a river and lake system near an open waste dump in Sri Lanka and found microplastics present in all water and sediment samples. Over half of the particles were fibers, and smaller microplastics dominated near the dump site, with sediments acting as a major sink for contamination. The study highlights how inadequate waste management practices directly contribute to microplastic pollution in urban waterways.
Distribution of microplastics in surface water of tropical urban lakes: A case study in Ha Noi, Vietnam
Surface water surveys across three urban lakes in Hanoi found microplastics in all locations, with abundance highest in West Lake, which is surrounded by dense population, restaurants, and aquaculture activity. The findings confirm that urban lakes in developing Southeast Asian cities are significant microplastic repositories, with direct implications for the people who use these waters for recreation, fishing, and drinking water supply.
Abundance and characteristics of microplastics in major urban wetlands of Dhaka, Bangladesh
Microplastics were found in water, sediment, and fish from three major urban lakes in Dhaka, Bangladesh, with concentrations ranging from 0 to 9 items per liter in water samples. Fibers were the most common type across all matrices, pointing to textile washing and wastewater discharge as key local sources.
Characterization and risk assessment of microplastic contamination in a tropical man-made Lake and adjacent water using multi-approach analysis
This study investigated microplastic contamination in Kaptai Lake, the largest artificial lake in South Asia, and found concentrations ranging from 650 to 2,450 items per cubic meter in water and 135 to 607.5 items per kilogram in sediment. The majority of identified microplastics were small fibers less than 0.5 mm, with spatial variation influenced by polymer properties, local geography, and pollution sources.
Microplastic Pollution in Surface Waters and Sediments of Urban Lake
This book chapter reviews microplastic pollution in urban lake surface waters and sediments, describing sources, distribution patterns, and the ecological consequences of MP accumulation in these widely used but understudied freshwater habitats.
Plastic pollution in freshwater ecosystems: macro-, meso-, and microplastic debris in a floodplain lake
Researchers surveyed macro-, meso-, and microplastic debris in a South American floodplain lake and found an average of 704 microplastic particles per square meter in sediments, with plastic contamination comparable to marine beaches — demonstrating that freshwater lakes can be major plastic pollution reservoirs.
Assessment of Microplastic Pollution in Surface Water within a Densely Populated Area of the Kranji River Basin in Purwokerto, Indonesia
Researchers assessed microplastic pollution in the surface water of the Kranji River Basin in Purwokerto, Indonesia, a densely populated urban area, characterising particle abundance, morphology, colour, and polymer type. The study documented widespread microplastic contamination and identified key sources associated with urban population density, waste management practices, and proximity to human settlements.
Microplastic Pollution in Urban Lake Phewa, Nepal: The First Report on Abundance and Composition in Surface Water of Lake in Different Seasons
Researchers conducted the first survey of microplastics in Lake Phewa, a major freshwater lake in Nepal, finding plastic particles in surface water across all seasons. Fiber microplastics were most abundant, consistent with laundry and textile sources. This study provides baseline data for microplastic monitoring in Nepal, where freshwater microplastic research has been largely absent.
Microplastic contamination in Indian rural and urban lacustrine ecosystems
Researchers surveyed 39 rural and urban lakes across Tamil Nadu, India, for microplastic contamination and found particles present in water and sediment samples from every lake studied. Urban lakes had significantly higher microplastic concentrations than rural ones, with fibers being the most common particle shape across all sites. The study provides one of the most comprehensive assessments of freshwater microplastic pollution in India, revealing that even relatively remote lakes are not free from contamination.
Global microplastic contamination in freshwater lakes: Spatial patterns, environmental drivers, and methodological challenges
This review systematically analyzed 84 studies covering more than 300 lakes worldwide to assess global microplastic contamination in freshwater lake systems. Surface water MP concentrations ranged from below 0.001 to over 200 MP/L, with fibers and fragments dominating, polyethylene and polypropylene most common, and highest levels found in shallow, lowland, and eutrophic systems near urbanized shorelines.
Occurrence and Distribution of Microplastics from Nepal’s Second Largest Lake
Researchers conducted the first microplastic survey of Phewa Lake in Nepal, finding an average of 55–122.5 microplastic items per kilogram of sediment, with fiber shapes and polypropylene polymers dominating, and highest concentrations near densely populated shorelines.
Occurrence of microplastics in water and sediment of a highly urbanized lake ecosystem in Addis Ababa, Ethiopia
Researchers sampled water and sediment from an urbanized lake in Addis Ababa, Ethiopia, and found microplastics predominantly consisting of polyethylene followed by PET, with small fragments and transparent particles most common. This study provides baseline data on freshwater microplastic pollution in an understudied East African ecosystem.
Microplastic distribution in surface water and sediment river around slum and industrial area (case study: Ciwalengke River, Majalaya district, Indonesia)
Microplastics were surveyed in surface water and sediments of the Ciwalengke River in Indonesia across slum and industrial areas, finding average concentrations of 5.85 particles/L in water and 138 items/kg in sediment with fibers as the dominant form. The study is the first to examine microplastic contamination in a slum-dominated Indonesian river environment, documenting high concentrations linked to informal waste disposal.
Urban tropical freshwater ponds as microplastics hotspots—insight on abundance and characteristics using an improved sampling technique
Researchers surveyed 20 urban freshwater ponds in central India and found microplastics present in all of them, with fragments, films, and foams being the most common types. They introduced an improved, low-cost sampling technique that does not require boats, making it practical for studying smaller water bodies. The results confirm that urban ponds are significant hotspots for microplastic accumulation, with polyethylene and polystyrene being the dominant polymer types.
Assessment of Small-Scale Microplastics Abundance and Characterization in Urban River: A Case Study in Metro River, Indonesia
Researchers assessed microplastic contamination in the Metro River in Indonesia, finding that abundance and characteristics varied by land use type, with urban areas showing higher concentrations of fragments and fibers in this rapidly developing region.
Occurrence of Microplastic in surface water of Jatiluhur Reservoir
Researchers investigated microplastic occurrence in the surface water of Jatiluhur Reservoir in Indonesia and found contamination present, driven by inflow from the heavily polluted Citarum River watershed.
Microplastic pollution in the surface water of Lake Singkarak, Indonesia
Researchers investigated the first documented occurrence of microplastic pollution in Lake Singkarak, a tectonic lake in Indonesia, by collecting water samples from lake inlet, hydropower dam intake, and outlet sites. They found microplastics present throughout the lake's surface water, highlighting the vulnerability of this priority restoration lake to plastic waste inputs from rivers and catchment runoff.
Global patterns of lake microplastic pollution: Insights from regional human development levels
A meta-analysis of 351 lakes across 43 countries found microplastic concentrations ranging from 0.09 to 130,000 items/m3 in surface water, with fibers as the dominant shape and polyethylene, polypropylene, and PET as the most common polymers. Countries with lower human development indices actually showed higher contamination levels, suggesting that waste management capacity is a key driver of lake microplastic pollution.
Microplastic pollution – a rising threat along an urban lake in the Vellore district of Tamil Nadu, India: abundance and risk exposure
Researchers assessed microplastic pollution in Dharapadavedu Lake in Tamil Nadu, India, finding contamination in both water and sediment samples. Medium-sized microplastics (500-1,000 micrometers) were the most common, with polyethylene and polypropylene as the dominant plastic types. The study highlights the growing microplastic contamination in urban lake ecosystems that communities rely on, raising concerns about water quality and human exposure.