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61,005 resultsShowing papers similar to Characterization of microplastics and its pollution load index in freshwater Kumaraswamy Lake of Coimbatore, India
ClearCharacterization of microplastics and its Pollution load index in freshwater Kumaraswamy Lake of Coimbatore, India
This study characterized microplastic abundance and composition in Kumaraswamy Lake, a freshwater body in India, mapping spatial distribution and calculating a pollution load index to assess the extent and risk of microplastic contamination.
Distribution and characterization of microplastics and ecological risks in Vellayani Lake, Kerala, India
Researchers surveyed Vellayani Lake in Kerala, India, for microplastic contamination and found particles in both water and sediment samples across the lake. The most common types were fibers and fragments, primarily from polyethylene and polypropylene, likely originating from household waste, fishing activities, and agricultural runoff. The ecological risk assessment indicated moderate contamination levels, raising concerns for this freshwater lake that serves local communities.
Microplastics in freshwater lakes: A case study from Southern India
Researchers assessed microplastic contamination in Vellayani Lake, a major drinking water source in southern India, and found particles present across all sampling sites and seasons. Fibers were the most common shape, with polyethylene and polypropylene as the dominant polymer types, likely originating from domestic wastewater and fishing activities. The study highlights the need for monitoring microplastic pollution in freshwater lakes that serve as critical drinking water supplies.
Microplastic pollution in Vembanad Lake, Kerala, India: The first report of microplastics in lake and estuarine sediments in India
Researchers conducted the first study of microplastics in Vembanad Lake, Kerala, India, finding plastic particles across sampled sites and documenting the types and polymer composition of contamination in this important freshwater ecosystem.
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.
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.
Microplastics Invasion in Freshwater Ecosystems of Coimbatore, Tamilnadu: A Study on Water, Sediment and Fish Species of Five Major Lakes
Researchers documented microplastic contamination across water, sediment, and fish species in freshwater ecosystems of Coimbatore, India, finding widespread MP presence dominated by fibers and fragments, with fish gastrointestinal tracts accumulating significant quantities.
Microplastics, their abundance, and distribution in water and sediments in North Chennai, India: An assessment of pollution risk and human health impacts
Researchers analyzed microplastic pollution in water and sediment samples from North Chennai, India, finding contamination at all sampling sites. Landfills, densely populated areas, and tourist spots had the highest concentrations, with pollution risk levels ranging from low to extremely high. The presence of microplastics in lake water used for drinking purposes is a concern for human health in the region.
Pollution status of microplastics in the sediments of warm monomictic Dal lake, India: Abundance, composition, and risk assessment
Researchers conducted the first investigation of microplastic contamination in the sediments of Dal Lake in Jammu and Kashmir, India. They found concentrations ranging from 503 to over 3,000 particles per kilogram, with the highest levels occurring in spring, and identified multiple polymer types with polyester and polyethylene being most common. The study establishes baseline pollution data for this ecologically important lake and highlights the seasonal patterns of microplastic accumulation.
Microplastics as an emerging threat to the freshwater ecosystems of Veeranam lake in south India: A multidimensional approach
Microplastic contamination in water and soil samples from Veeranam Lake in Tamil Nadu, India was quantified and characterized as a multidimensional assessment of an emerging freshwater pollution threat. The study documented microplastics in both water and surrounding soils, establishing baseline data for a lake region important to local communities.
Spatiotemporal distribution of microplastics in the catchment of lake akkulam-veli, kerala, india
Researchers quantified and characterized microplastics in seasonal surface water samples from the Akkulam-Veli lake catchment in Kerala, India, finding highest concentrations during pre-monsoon (5100 particles/m3) and lowest during post-monsoon (1838 particles/m3), indicating seasonal and hydrological drivers of microplastic distribution.
Microplastic pollution in the surface water of Yele Mallappa Shetty Lake, Bengaluru: first report
Researchers found microplastics in water samples from four inlet points of Yele Mallappa Shetty Lake in Bengaluru, India, with an average concentration of about 10 particles per liter — the first such report for this urban lake. Fragments, fibers, films, and foam were all present, made from plastics including polyester and polypropylene. The data provide an important baseline for tracking pollution in urban freshwater bodies, which are critical ecosystems for biodiversity and human water security.
Quantification of microplastic in Red Hills Lake of Chennai city, Tamil Nadu, India
Researchers conducted the first study of microplastic distribution and sources in Red Hills Lake, a freshwater reservoir supplying drinking water to northern Chennai, India. Analysis of sediment samples revealed the presence of microplastic contamination, highlighting concerns about microplastic pollution in freshwater systems used for human water supply.
Spatiotemporal distribution of microplastics in the catchment of lake akkulam-veli, kerala, india
Researchers quantified and characterised microplastics in surface water samples from the Akkulam-Veli lake basin in Kerala, India, collected across three seasons — post-monsoon, monsoon, and pre-monsoon — to assess spatiotemporal variation. Results showed pre-monsoon had the highest concentrations (5,100 particles/m3), fibres and films were dominant forms, and FTIR confirmed the presence of polypropylene and other polymers.
Microplastic pollution in Kolavai Lake, Tamil Nadu, India: Quantification of plankton-sized microplastics in the surface water of lake
Researchers surveyed Kolavai Lake in Tamil Nadu, India, and found microplastics at an average of 6.1 particles per liter across the lake's surface water, with higher concentrations near urban and southern zones. The study used FTIR spectroscopy to confirm the chemical identity of particles and examined how microplastic abundance compares to zooplankton density, finding that microplastics were present at levels that could disrupt plankton feeding. These results highlight how even inland freshwater lakes in India are heavily contaminated, with implications for aquatic food chains and the communities that depend on this water.
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.
Distribution and abundance of microplastics in the water column of Vembanad Lake–A Ramsar site in Kerala, India
This study investigated microplastic abundance and distribution in the water column of Vembanad Lake, a Ramsar-designated wetland in Kerala, India. Researchers found an average of 26.79 items per liter in subsurface waters and 52.70 items per liter in bottom waters, with fibers making up more than half of all detected microplastics.
Microplastics: an emerging environmental contaminant in surface water bodies of Indore, Central India
Researchers examined microplastic contamination in three lakes in the Indore district of Madhya Pradesh, Central India, collecting water samples and performing risk assessment to characterize microplastic abundance, morphology, and polymer types in these freshwater bodies. The study found microplastics present across all sampled lakes, contributing baseline data on microplastic pollution in central Indian urban freshwater ecosystems.
Seasonal variations in the abundance and distribution of microplastic particles in the surface waters of a Southern Indian Lake
Researchers documented seasonal variations in microplastic abundance in a southern Indian lake, finding higher concentrations during monsoon season due to stormwater runoff, with fibers and fragments as the dominant particle types linked to nearby urban and agricultural activities.
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 Kolavai Lake, Tamil Nadu, India: quantification of plankton-sized microplastics in the surface water of lake
Researchers quantified microplastic pollution in Kolavai Lake in Tamil Nadu, India, finding an average abundance of 6.1 particles per liter in surface water. They identified polyethylene, polypropylene, and polystyrene as the most common types using infrared spectroscopy. The study also examined the ratio of microplastics to zooplankton, raising concerns about how these tiny particles could enter the food chain when consumed by aquatic organisms.
Microplastic pollution in urban Lake Phewa, Nepal: the first report on abundance and composition in surface water of lake in different seasons
Surface water from Lake Phewa, Nepal's second-largest lake, was analyzed for microplastics across seasons in the first such study from Nepal, finding plastics present in all samples with concentrations varying seasonally. The results establish a baseline for freshwater microplastic monitoring in a South Asian developing country context and raise concerns about impacts on a lake important for tourism and local livelihoods.
Sediment-associated microplastics in Chilika lake, India: Highlighting their prevalence, polymer types, possible sources, and ecological risks
Scientists surveyed microplastic contamination in the sediments of Chilika Lake, India, finding 440 particles per kilogram across 22 sites, with polyethylene being the most common type. Fibers and fragments were the dominant shapes, likely originating from fishing activities, tourism, and nearby urban areas. Since Chilika Lake supports important fisheries, this microplastic contamination raises concerns about exposure for both the aquatic ecosystem and the people who depend on the lake for food and livelihood.
Microplastics pollution in tropical estuary (Muttukadu Backwater), Southeast Coast of India: Occurrence, distribution characteristics, potential sources and ecological risk assessment
Scientists surveyed microplastic contamination in the water and sediments of a tropical estuary on India's southeast coast. They found moderate to high levels of microplastic pollution, with common polymers like polyethylene and polystyrene contributing the most to ecological risk. The presence of trace metals on microplastic surfaces suggests these particles may also serve as carriers for heavy metal contamination in coastal ecosystems.