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Microplastics in Indian Freshwater Systems: Current Status and Future Research Needs
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This review pulls together existing research showing that major Indian rivers and lakes—including the Ganga and Brahmaputra—are contaminated with tiny plastic particles called microplastics, mostly tiny fibers and fragments from things like laundry, packaging waste, and industrial runoff. Since people in these regions eat freshwater fish and drink water from these sources, this contamination is a potential pathway for human exposure, and these plastic particles can also carry harmful chemicals and bacteria along with them. The researchers stress that better monitoring and pollution-reduction efforts are urgently needed, though more studies are still required to f
Microplastic (MP) pollution has emerged as critical environmental issue affecting aquatic ecosystems worldwide. Freshwater systems have received less research attention in the past but have been identified as significant sources and alteration points for MP. The mandate of this review is to bring together the existing information about source, occurrence, distribution, characterization, biological and ecological effects and mitigation measures related to MPs in Indian freshwater environments. Land-based sources such as wastewater effluents, urban runoff, industrial effluents, agricultural activities, and the breakdown of larger plastic waste are main sources of MPs. The prevalence of contamination of river, lake and riverbed sediments and freshwater biota, commonly in the form of micro and macro fibres, is reported from all over the world. Biological and ecological effects encompass ingestion at different levels, physiological stress responses, feeding behaviour changes and possible ecosystem level disturbances. The increasing evidence suggests that consumption of freshwater fish and drinking water may be sources of exposure to humans, which may be of concern for food safety and public health. Microplastics are also a pathway for toxic chemicals and microbial communities, which further contributes to environmental and toxicological hazards. In India, MP contamination has been reported from several freshwater ecosystems, including the Ganga, Yamuna, Gomti, Saryu, Brahmaputra, Mahanadi, Cauvery, Netravathi, Periyar, and Vembanad Lake. MPs have been detected in water, sediments, and freshwater fishes, with fibres and fragments being the dominant particle types and polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), and polystyrene (PS) identified as the predominant polymers. The available evidence indicates increasing contamination in highly urbanized and industrialized river stretches, highlighting the urgent need for harmonized monitoring protocols and effective mitigation strategies in Indian freshwater ecosystems. The successful implementation of mitigation measures needs a coordinated approach that involves source reduction, advanced wastewater treatment, implementation of circular economy, policy enforcement, and public participation.
More Papers Like This
Microplastics in Indian Freshwater Systems: Current Status and Future Research Needs
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This review paper pulls together existing research on tiny plastic particles (microplastics) found in India's rivers and lakes, highlighting how widespread they've become in freshwater systems that many people rely on for drinking water and fishing. The authors point out that scientists still don't fully understand how much of these plastics end up in our food and water, or what health risks they might pose—meaning more research is urgently needed to answer these open questions. Since freshwater is a direct pathway for microplastics to enter our bodies, understanding this contamination matters for anyone drinking tap water or eating fish from affected areas.
Comprehensive Review on Microplastic Pollution in Inland Waters of India
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This comprehensive review examines microplastic pollution in India's inland freshwater systems, including major rivers like the Ganga, Yamuna, and Brahmaputra. The study highlights that rapid industrialization, urbanization, and poor waste management have led to significant contamination from diverse sources including industrial effluents, untreated sewage, and agricultural runoff, with potential consequences for aquatic organisms and human health through bioaccumulation in food chains.
Microplastics in Freshwater Ecosystems of India: Current Trends and Future Perspectives
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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.
Microplastic Contamination in Aquatic Biota: a Comparative Study of Fish Species from the Ganga and Gomti Rivers
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Scientists found tiny plastic fibers, mostly from packaging, clothing, and household items, in the gills and guts of fish from India's Ganga and Gomti rivers, with some fish species absorbing more than others. Since these fish are commonly eaten, this suggests people may be unknowingly consuming microplastics through their diet, and the study found some of these plastics carry metals and pose real risks to aquatic life, highlighting the need for better plastic waste management to protect both ecosystems and the food supply.
Distribution and Characteristics of Microplastics in Indian Water Bodies: Present Understanding and Future Challenges
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This review pulls together existing research on tiny plastic particles (microplastics) found in India's rivers and lakes, showing that fibers and fragments from common plastics like polypropylene and polyethylene are widespread contaminants. While the health effects on humans aren't fully known yet, these plastics can enter drinking water sources and the food chain, and the researchers point out that scientists still need standardized testing methods and more monitoring to truly understand the risks. The takeaway: microplastic pollution in freshwater is a growing concern, but much more research is needed before we can say exactly how it affects human health.
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