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Microplastics: What Can We Learn from Clastic Sediments?
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An interdisciplinary review compared microplastics to natural clastic sediments, drawing on decades of sedimentology research to better understand microplastic transport, deposition, and environmental fate. Applying established sediment science frameworks to microplastics research could accelerate understanding of how these particles move through ecosystems and ultimately reach human food and water supplies.
Microplastics research has gained momentum in the 21st century but lags behind the long-standing research on clastic sediment. An interdisciplinary review paper was conducted, comparing microplastics with natural sediments in terms of particle properties,...
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Research Progress on Sources and EcologicalEffects of Microplastics in Sediments
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This review synthesizes research on the sources and ecological effects of microplastics in sediments, tracing transport pathways from terrestrial runoff through freshwater systems to marine sediment sinks and documenting impacts on benthic organisms and ecosystem function. Sediments serve as long-term reservoirs of microplastic pollution, making sediment ecology a critical lens for understanding cumulative environmental burden and food chain exposure risks posed by plastic debris.
A Review of Microplastics in Aquatic Sediments: Occurrence, Fate, Transport, and Ecological Impact
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Researchers reviewed how microplastics accumulate in aquatic sediments — particularly the ocean floor — finding that sediments act as a long-term sink where plastics alter microbial communities and harm bottom-dwelling organisms, meaning the ecological damage of plastic pollution extends far beyond what is visible at the water surface.
Microplastics in Soils and Sediments
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Researchers examine the distribution, persistence, and ecological impacts of microplastics in soils and sediments, documenting their effects on agricultural productivity, soil ecology, and food security as a globally recognized biosphere hazard driven by human activity.
Microplastic in the Sediment Ecosystem of India
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This study investigated microplastic accumulation in sediment ecosystems across India, including deep-sea environments, finding widespread contamination across diverse marine habitats. Sediment microplastics are a critical concern because they act as long-term reservoirs that slowly release particles and associated toxins into benthic food webs, ultimately reaching commercially harvested seafood consumed by humans.
Microplastics in Soils and Sediment: Sources, Methodologies, and Interactions with Microorganisms
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Microplastics in soils and sediments interact with microorganisms in complex ways, affecting microbial community structure and facilitating the spread of antibiotic resistance genes. These interactions highlight that microplastic pollution poses ecological risks beyond physical contamination, potentially disrupting soil health and agricultural systems.
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