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61,005 resultsShowing papers similar to Tracing microplastic footprints in pristine ecosystems: Insights and implications of Parsons Valley and Sandynulla Lakes, Western Ghats
ClearSpatial distribution of microplastics in the sandynulla lake and parson valley lake in the reserve forest region: An environmental assessment.
This study examined microplastic distribution in Sandynulla Lake and Parsons Valley Lake in the Nilgiris District of India, identifying the types, concentrations, and morphological characteristics of particles present. The findings contribute baseline data on microplastic contamination in South Indian highland lake ecosystems.
Spatial distribution of microplastics in the sandynulla lake and parson valley lake in the reserve forest region: An environmental assessment.
Researchers investigated the spatial distribution of microplastics across two lakes in the Nilgiris District of India, the Sandynulla Lake and Parsons Valley Lake, characterized the polymer types and particle morphology. Microplastics were detected throughout both lakes, with distribution patterns reflecting local land use and watershed inputs.
Assessment of pollution and risks associated with microplastics in the riverine sediments of the Western Ghats: a heritage site in southern India
Spatiotemporal variations of microplastics in sediments of the River Sharavathi, a pristine river in India's Western Ghats biodiversity hotspot, were characterized, revealing contamination even in this relatively undisturbed ecosystem. The findings establish a baseline and highlight the reach of plastic pollution into protected natural heritage areas.
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.
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.
Microplastics and heavy metal contamination along a land-use gradient in a Himalayan foothill river: Prevalence and controlling factors
Researchers mapped microplastic and heavy metal contamination in a river flowing through India's Himalayan foothills, finding plastic particles at every sampling site. Concentrations were highest near industrial areas and human settlements, with polyethylene and polystyrene being the most common plastic types. The study shows how human activity drives plastic pollution even in relatively remote freshwater environments.
Microplastics in Freshwater Ecosystems of India: Current Trends and Future Perspectives
The study provides a comprehensive review of microplastic contamination in freshwater ecosystems across India, including lakes and rivers. Researchers found that microplastic research in Indian freshwater environments has grown significantly but remains limited compared to marine studies, highlighting the need for expanded monitoring given India's increasing plastic production and low recycling rates.
Impact of land use land cover on microplastic accumulation in high-altitude freshwater lakes of the central Himalayas
Researchers investigated the spatial distribution of microplastics in the surface water of three high-altitude lakes in the Kumaun region of the central Himalayas — Nainital, Garudtal, and Bhimtal — and examined the influence of land use and land cover (LULC) at the catchment scale on microplastic accumulation. The study found that lakes with greater proportions of built-up and agricultural land in their catchments had higher microplastic concentrations, demonstrating that LULC is a key driver of microplastic loading in remote mountain lakes.
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.
A Critical Review on the Characterization and Distribution of Microplastic Contaminants in Indian Water Environments: Pathways and Related Hazards
This systematic review examines microplastic contamination in India's freshwater environments, including rivers and lakes. While marine ecosystems have gotten the most attention, freshwater sources — which supply drinking water — are also heavily contaminated. The findings highlight how inadequate waste management and recycling infrastructure allow microplastics to spread through the water systems that communities depend on.
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.
Sources Affecting Microplastic Contamination in Mountain Lakes in Tatra National Park
Analysis of 11 Tatra National Park mountain lakes found that global atmospheric transport was the dominant microplastic source rather than local tourism activity, with lake morphometry and elevation influencing contamination levels in these UNESCO-protected alpine ecosystems.
Microplastics pollution in inland aquatic ecosystems of India with a global perspective on sources, composition, and spatial distribution
Researchers reviewed microplastic contamination in India's rivers, lakes, and wetlands, finding widespread pollution across water, sediment, and wildlife, with concentrations peaking during monsoon season due to runoff. The review highlights a critical gap: most studies don't account for how water flow and seasonal variation affect where microplastics go, making it hard to gauge the true health risk to people and ecosystems.
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.
Spatial distribution and characteristics of microplastics and associated contaminants from mid-altitude lake in NW Himalaya
Researchers documented microplastic contamination and associated phthalate esters in Rewalsar Lake in the Northwest Himalayas, demonstrating that even remote mid-altitude freshwater lakes are significantly affected by microplastic pollution.
Distribution and characteristics of microplastics and phthalate esters from a freshwater lake system in Lesser Himalayas
Researchers surveyed a freshwater lake system in the Indian Himalayas and found microplastics in all water and sediment samples, with concentrations highest near areas of human activity. They also detected phthalate esters, chemical additives commonly found in plastics, at levels that correlated with microplastic abundance. The study provides the first evidence of significant microplastic and associated chemical contamination in this relatively remote Himalayan freshwater ecosystem.
Microplastics in lentic environments: implications for Indian ecosystems
Researchers assessed microplastic pollution in lentic (still water) environments across India using material flow analysis and field data from 2011 to 2022. They found significant geographical variation in microplastic contamination across different Indian states, influenced by local waste management practices and population density. The study provides a framework for understanding how plastic waste flows contribute to microplastic accumulation in lakes and reservoirs.
Microplastic occurrence in rural and urban surface waters: the cases of Lake Sampaloc and Lake Yambo in San Pablo City, Laguna, Philippines
This study compared microplastic contamination in two Philippine lakes with different human-use profiles — one used for ecotourism and one more urbanised — finding microplastic particles in both, with characteristics reflecting local pollution sources. The results underscore that freshwater lakes, even smaller and less-studied ones, are not spared from microplastic pollution and warrant greater monitoring attention.
Baseline Study on Microplastics in Indian Rivers under Different Anthropogenic Influences
Researchers collected microplastic samples from Indian rivers under different levels of anthropogenic influence and found MPs in all sites, with concentrations correlating with population density and industrial activity, providing one of the first systematic field datasets for major Indian river systems.
Microplastics in Freshwater Ecosystems in India: A Comprehensive Review
This review examines the occurrence, sources, and ecological risks of microplastics across freshwater ecosystems in India, synthesizing current literature on contamination levels in rivers, lakes, and other inland water bodies.
Detection and Characterization of Microplastics in Two Major Lakes of Nepal: Begnas and Phewa
This study provided some of the first evidence of microplastic contamination in two major Nepalese lakes, Begnas and Phewa, documenting the types, shapes, colors, and sources of particles found. The findings indicate that even high-altitude freshwater systems in Nepal are not immune to plastic pollution.
Spatial and vertical distribution of microplastics and their ecological risk in an Indian freshwater lake ecosystem
Researchers mapped the spatial and vertical distribution of microplastics in Kodaikanal Lake, a popular tourist destination in India that also serves as a water source for downstream communities. They found microplastics in surface water, surface sediment, and deeper sediment cores, with the highest concentrations near areas of heavy tourist activity. The study highlights how human activities directly influence microplastic contamination patterns in freshwater ecosystems used for drinking water.
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.
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.