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61,005 resultsShowing papers similar to Assessment of microplastics and associated ecological risk in the longest river (Godavari) of peninsular India: A comprehensive source-to-sink analysis in water, sediment and fish
ClearOccurrence, quantification and characterisation of microplastics in Godavari River, India
Researchers measured microplastic concentrations in the Godavari River in India, finding an average of 3.9 particles per liter across six sites, with fibers making up over 80% of particles and polypropylene and polyethylene being the most common polymer types. Urban areas had higher concentrations, and the presence of these plastics in a major river system poses risks to agriculture and human health through contaminated water and food sources.
Assessment and accumulation of microplastics in the Indian riverine systems: Risk assessment and implications of translocation across the water-to-fish continuum
This review assessed microplastic pollution across Indian rivers and the fish that live in them, finding widespread contamination in both water and fish tissues. Microplastics were found to transfer from river water into fish organs including gills, gut, liver, and muscle tissue that people eat. Since Indian rivers support the livelihoods and food supply of hundreds of millions of people, this contamination pathway is a significant concern for human dietary exposure to microplastics.
Characterization of microplastics in commercially valued Gangetic fishes and its exposure assessment on humans
Researchers characterized microplastics in commercially sold fish from the Ganges River in India, finding plastic contamination across multiple species and providing an initial exposure assessment for human consumers who rely on freshwater fish as a primary protein source.
The first report on the source-to-sink characterization of microplastic pollution from a riverine environment in tropical India
This first source-to-sink study of microplastic pollution in a tropical Indian river system tracked microplastics from urban sources through the river to estuarine and coastal deposition zones, characterizing polymer types and morphologies at each stage.
Characterization, distribution, and risk assessment of microplastic in fish and sediment from the longest river of Bangladesh
Researchers characterized microplastic contamination in fish and sediment from the Brahmaputra River in Bangladesh, the country's longest river. They found microplastics in all fish and sediment samples, with fibers being the most common type, and bottom-dwelling fish species containing more particles than those living near the surface. The study provides important baseline data on freshwater microplastic pollution in a major South Asian river system.
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.
Assessment, characterization, and quantification of microplastics from river sediments
Researchers assessed microplastic contamination in sediments from 14 sites along the Kaveri River in South India, characterizing particle types, sizes, and polymer compositions to quantify the extent of microplastic pollution in this freshwater system.
Microplastic pollution in the Ganga River: A state-of-the-art review of pathways, mechanisms, and mitigation
This review examines microplastic pollution in India's Ganga River, which sustains hundreds of millions of people, identifying sources from industrial discharge, agricultural runoff, and inadequate waste management. Microplastics in the river threaten aquatic life through ingestion and bioaccumulation and ultimately affect the communities that rely on the river for drinking water and food. The study calls for comprehensive management strategies to protect both ecological and public health.
Sources and Impact of Microplastic Pollution in Indian Aquatic Ecosystem: A Review
This review examines sources and impacts of microplastic pollution across Indian aquatic ecosystems, documenting widespread contamination in marine and freshwater environments and discussing risks to living organisms given projections that ocean plastic will outweigh fish by 2050.
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.
Microplastics as a contaminant in Indian riverine system: a review
This systematic review examines microplastic contamination across India's river systems, documenting the types, sources, and concentrations of plastic particles found in major waterways. The findings are concerning for human health because these rivers provide drinking water and irrigation for hundreds of millions of people, creating widespread potential exposure to microplastics.
Tracing the invisible microplastics in river water and fish organs and its implication of riverine ecosystem integrity
Researchers traced microplastics in river water and fish organs from a South Asian river system, finding widespread contamination across multiple tissue types. The study identified the plastisphere concept as a useful framework for understanding how plastic-associated microbial communities accompany microplastics through aquatic food webs.
Microplastic surge in the Ariyankuppam river, Puducherry, India: A study on abundance, characterization, and pollution load index
Researchers surveyed microplastic pollution in the Ariyankuppam River in southern India over three months during the post-monsoon period. They found an average of over 136 microplastic particles per kilogram of sediment, with concentrations varying by location and season. The study reveals significant microplastic contamination in a river that flows into the Bay of Bengal, raising concerns about downstream marine pollution.
Source-to-sink dynamics of microplastics and heavy metals along a land-use gradient in the tropical river system of India
Researchers tracked microplastics and heavy metals along a river system in southern India, finding widespread contamination in both water and sediment. Household waste was identified as a major source, with tiny plastic pellets and beads making up over 80% of the particles found. The study shows how urbanization and human activity drive microplastic pollution in freshwater systems that communities depend on for drinking and farming.
Tracing the invisible microplastics in river water and fish organs and its implication of riverine ecosystem integrity
Researchers analyzed microplastics in river water and fish organ tissues from a river in South Asia, finding contamination throughout the aquatic food web. The study used the plastisphere framework to discuss how microbial communities colonizing microplastics may influence particle fate and biological effects.
Microplastics in Indian aquatic systems and its effects on plants, aquatic organisms and humans, and its methods of remediation
This review summarizes microplastic pollution across India's rivers, coasts, and estuaries, finding contamination widespread in both water and sediment. The highest concentrations were found in estuaries and the Hooghly River, with most research focused on southern India's coastal areas. The study highlights that microplastics in Indian waterways pose health risks to the large populations that depend on these water sources for drinking, fishing, and irrigation.
Grasping the supremacy of microplastic in the environment to understand its implications and eradication: a review
This review comprehensively examines microplastic sources, fate, and ecological impacts on living organisms, including an analysis of microplastics in Indian rivers, and evaluates current eradication strategies while recommending green innovative technologies for a microplastic-free environment.
Contamination of microplastics in Brantas River, East Java, Indonesia and its distribution in gills and digestive tracts of fish Gambusia affinis
Researchers sampled water, gills, and digestive tracts of fish in Indonesia's Brantas River and found microplastics in all three, with fragments under 0.1 mm making up the majority — demonstrating that river fish are actively ingesting microplastics that then accumulate in their bodies.
First Evidence of Microplastic Ingestion by Riverine Fish From the Freshwater of Northwest Peninsular Malaysia
Researchers found microplastics in the guts of multiple fish species from two rivers in northwest Malaysia, with some species averaging nearly 50 microplastic particles per gram of body weight. The dominant particles were fibers and fragments of polyethylene and polypropylene — findings that signal widespread contamination of freshwater food sources and raise concerns about human exposure through fish consumption.
Spatial heterogeneity of microplastic pollution and associated emerging contaminants in tropical estuarine environments: Novel insights into distribution, bioavailability, and ecological risk
Scientists found tiny plastic particles in water, mud, and seafood like shellfish and crabs in two river areas in India. These microplastics carry harmful chemicals and are getting into the food chain, which could affect the safety of seafood that people eat. While the current risk appears low, this research shows we need better policies to reduce plastic pollution to protect both ocean ecosystems and human food sources.
Microplastic Contamination: A Case Study in the Freshwater of Krishna River
Researchers found microplastic contamination in three sites along the Krishna River in India, identifying polypropylene, polyethylene, and polyoxymethylene particles at different pilgrimage locations. The study confirms freshwater microplastic pollution in this important Indian river and demonstrates a sampling approach applicable to future monitoring efforts.
Prevalence of microplastics in commonly consumed fish species of the river Old Brahmaputra, Bangladesh
Researchers found microplastics in nearly 59% of edible fish from Bangladesh's Old Brahmaputra river, with polyethylene fibers and pellets dominating, and ingestion rates linked to fish size, feeding behavior, and downstream location.
Identification and Quantification of Microplastic Pollution in Water Samples and Four Species of Fish from the Mississippi River
Microplastics were found in water samples and in four fish species from the Mississippi River, the largest North American river draining a densely populated watershed. The findings confirm that one of the world's major river systems is contaminated with microplastics, which are likely entering the Gulf of Mexico.
Microplastic pollution in rivers and lakes of India: Sources, ecotoxicological impacts, and removal strategies
This review synthesizes current knowledge on microplastic pollution in India's rivers and lakes, covering sources, ecological impacts, and removal strategies. Researchers found that Indian freshwater systems are increasingly contaminated from industrial discharge, domestic waste, agricultural runoff, and tourism. Evidence indicates that exposed aquatic organisms experience bioaccumulation, oxidative stress, and behavioral changes, underscoring the need for comprehensive remediation efforts.