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Microplastic Pollution in Indian Aquatic Ecosystems: Insights and Implications
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Researchers documented widespread microplastic contamination across Indian lakes, rivers, and coastal waters — including in remote high-altitude regions like Ladakh — showing that no aquatic ecosystem in the country is untouched, with direct implications for the hundreds of millions of people who depend on these water sources.
Microplastic (MP) pollution has become a pressing environmental issue globally, prompting extensive research into its prevalence, distribution, and composition in diverse ecosystems. This study offers a comprehensive analysis of MP contamination in Indian lakes, rivers, and coastal environments, synthesizing recent investigations across the country. Significant MP abundance and distribution were observed in lakes, particularly in high-altitude and remote areas like Kashmir, Ladakh, and Himachal Pradesh. Notable findings include high MP concentrations in lakes such as Anchar Lake, Pangong Lake, and Tsomoriri Lake, with tourism, textile disposal, and industrial emissions identified as major pollution sources. Lonar Lake and Kanke Lake showed MP contamination in both surface water and sediments, highlighting the need for urgent mitigation measures. Studies on Indian rivers revealed diverse MP characteristics, with fragments, fibers, pellets, and foams being dominant. Chemical analysis identified common polymer components originating from industrial waste, plastic debris, and synthetic textiles. Seasonal and geographical factors influenced MP distribution in rivers, emphasizing plastic pollution's pervasive presence. Coastal regions of Southern India exhibited high concentrations of plastic debris, primarily fibres from synthetic textiles, with prevalent polymers derived from urban runoff, marine activities, and industrial discharges. The present study offers insightful information about the widespread and varied characteristics of MP contamination in Indian aquatic ecosystems, emphasizing the urgent need for comprehensive mitigation strategies to safeguard biodiversity and ecosystem health. Further research is necessary to understand MP sources, impacts, and distribution, informing evidence-based management strategies to reduce the potential risks concerning people’s health and the environment related to plastic contamination. Different environment of deposition along with microplastic
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Researchers reviewed microplastic distribution and ecological risk across India's aquatic environments, finding polyethylene, polypropylene, and PET as the dominant polymers in water, sediment, and fish — including edible species — with contamination detected even in remote Himalayan locations.
Health Impact of Microplastic on Indian Aquatic System
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Researchers examined microplastic contamination in India's aquatic systems, finding that poor waste management has led to 79% of plastic waste entering landfills or water bodies, where abiotic degradation generates microplastics that bioaccumulate in aquatic organisms and threaten public health.
Microplastic in the Inland Water Ecosystem of India
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This review documented microplastic contamination in India's inland water systems — including rivers, lakes, reservoirs, and groundwater — identifying land-based pollution sources and assessing concentrations relative to international benchmarks. Inland freshwater contamination is particularly concerning because these systems supply drinking water and irrigation to hundreds of millions of people, creating direct human exposure routes.
Emergence of Microplastics in the Aquatic Ecosystems: Sources and Their Characteristics
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Researchers reviewed the sources, physical and chemical characteristics, and environmental distribution of microplastics in aquatic ecosystems, covering both primary particles from industrial and personal care products and secondary particles generated through fragmentation of larger plastics. Understanding the diversity of particle sources and properties is foundational for modeling exposure pathways and predicting which ecosystems and human populations face the greatest contamination risk.
Microplastics in the Marine Ecosystem of India
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Researchers characterized the distribution, polymer composition, and ecological impacts of microplastics in India's marine ecosystems — including oceanic zones, coastal waters, and marine organisms — highlighting polymer degradation pathways and bioaccumulation in marine food webs. With India's coastline spanning over 7,500 km and supporting major fisheries, marine microplastic contamination poses direct risks to seafood safety and coastal community health.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.