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Microplastics in freshwater systems: A review of classification, sources, and environmental impacts
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This review summarizes existing research on microplastic pollution in freshwater systems including rivers, lakes, and reservoirs, noting that these particles absorb pollutants and leach chemical additives into the water. Humans face potential health risks from drinking contaminated water and eating freshwater fish and shellfish that have accumulated microplastics.
The globally increasing contents of microplastics (MP) in ecosystems have become a serious environmental problem with far-reaching and at present unpredictable consequences for both aquatic life and human well-being. Until recently, most research on MP focused on marine ecosystems. Research on the occurrence of MP has lately started to focus on freshwater environments. This comprehensive and critical review examines the multifaceted problem of MP pollution in freshwater ecosystems, delving into its diverse sources, transport mechanisms, environmental impacts, detection methods, and mitigation strategies. The environmental impacts of MP pollution span a spectrum of impacts on aquatic life, food webs, and biodiversity in general. In addition, human health concerns have arisen due to potential exposures resulting from the consumption of contaminated freshwater and biological resources. The review summarizes analytical methods and technologies used to detect and quantify MP in freshwater samples, while recognizing the challenges and new innovations in this area. Mitigation and management strategies are explored, ranging from waste management and recycling initiatives to engineering solutions such as wastewater treatment and stormwater management. Legislative measures aimed at curbing MP pollution are also reviewed. Reviewed case studies highlight regional differences, and the unique challenges faced by different freshwater ecosystems. The review concludes by highlighting the urgent need for global awareness, further research, and coordinated action to address the growing problem of MP pollution in freshwater. As humanity faces this complex environmental challenge, interdisciplinary approaches, and international collaboration are essential for sustainable solutions and protection of freshwater ecosystems and health of the planet.
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Microplastic Contamination, an Emerging Threat to the Freshwater Environment and Human Health: A Systematic Review
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This systematic review summarizes existing research on microplastic contamination in freshwater environments and its implications for human health. The evidence shows that microplastics are widespread in rivers, lakes, and drinking water sources, and they can absorb toxic chemicals, making freshwater plastic pollution a direct concern for the safety of our water supply.
Impacts of Microplastics as Contaminants in Freshwater Ecosystems and Human Food Chain
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This review examines the impacts of microplastics on freshwater ecosystems and human food chains, tracing how plastic particles enter rivers and lakes, accumulate in fish and invertebrates, and transfer to humans through consumption of contaminated freshwater species.
Microplastics Are Contaminants of Emerging Concern in Freshwater Environments: An Overview
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This overview examines the emerging problem of microplastic contamination in freshwater environments, covering sources, occurrence, and potential effects on aquatic ecosystems. The authors discuss how microplastics enter lakes and rivers through wastewater treatment plants, runoff, and degradation of larger plastic debris. The review highlights that freshwater microplastic pollution deserves the same research attention as marine contamination, given that rivers serve as major transport pathways for plastics reaching the ocean.
Microplastics in Freshwater Systems
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This overview examines how microplastics accumulate in freshwater bodies, where they pose risks to aquatic life by delivering chemical pollutants and causing physical harm through ingestion. As microplastic pollution in rivers and lakes worsens globally, there is an urgent need for better management of plastic waste.
Microplastic Pollution in Fresh Water
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This review summarizes current knowledge on microplastic pollution in freshwater systems, covering sources such as atmospheric deposition, stormwater runoff, and wastewater, as well as the diverse shapes, sizes, and polymer types found in rivers and lakes. The authors highlight that freshwater microplastic contamination is comparable in scale to marine contamination and that the pathways to human health via drinking water and food supply demand urgent policy attention.
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