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The deep-burrowing earthworm Lumbricus terrestris ingests and transports microplastic fibres of a wide length range in soils
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Data for: The deep-burrowing earthworm Lumbricus terrestris ingests and transports microplastic fibres of a wide length range in soils
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Researchers tracked redistribution of metal-doped microplastic fibers in 30 cm soil columns over four weeks and analyzed earthworm casts to show that Lumbricus terrestris ingests and vertically transports MP fibers across a wide length range, with redistribution detectable within two weeks of introduction.
Data for: The deep-burrowing earthworm Lumbricus terrestris ingests and transports microplastic fibres of a wide length range in soils
AI summary Read the abstract
Researchers tracked redistribution of metal-doped microplastic fibers in 30 cm soil columns over four weeks and analyzed earthworm casts to show that Lumbricus terrestris ingests and vertically transports MP fibers across a wide length range, with redistribution detectable within two weeks of introduction.
Incorporation of microplastics from litter into burrows of Lumbricus terrestris
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Researchers investigated whether earthworms incorporate microplastics from surface litter into their burrows, finding that earthworm burrowing activity actively transports microplastics deeper into the soil profile.
Earthworms transport microplastic fibres in soils
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Laboratory experiments showed that earthworms actively transport microplastic fibers deeper into soil profiles, suggesting that bioturbation by earthworms represents an important pathway for vertical redistribution of microplastic contamination in agricultural soils.
The deep-burrowing earthworm Lumbricus terrestris ingests and transports microplastic fibres of a wide length range in soils
AI summary Read the abstract
Scientists found that earthworms can eat and move tiny plastic fibers through soil, carrying pieces as long as 4.8 mm from the surface down to deeper layers. This matters because it shows how microplastics that contaminate soil from sources like synthetic clothing and plastic waste can spread underground through natural processes. Understanding how these plastic particles move through soil helps us better predict where they might end up in our food chain and environment.
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