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Microplastics drive both linear and threshold-type shifts in soil multifunctionality along concentration gradients
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This is a duplicate dataset entry for the same study on microplastic concentration thresholds and soil multifunctionality; the content is identical to ID 2704 and does not add new findings.
Dataset and analysis scripts for the study "Microplastics drive both linear and threshold-type shifts in soil multifunctionality along concentration gradients".
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Microplastics drive both linear and threshold-type shifts in soil multifunctionality along concentration gradients
AI summary Read the abstract
This is a dataset and analysis scripts accompanying a study showing that microplastics cause both gradual and abrupt 'tipping point' shifts in soil ecosystem functions depending on their concentration. Understanding these threshold effects is important because it suggests that soil health may collapse suddenly rather than declining linearly as microplastic pollution builds up.
Microplastics drive both linear and threshold-type shifts in soil multifunctionality along concentration gradients
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Soil experiments revealed that microplastics cause nonlinear damage to soil health, with identifiable tipping points at 0.3% polypropylene and 0.55% PET by weight where the harm escalates sharply. Physical soil structure is disrupted first, which then cascades into chemical and biological dysfunction, suggesting that even modest microplastic accumulation can trigger outsized ecological harm.
The response of soil ecosystem multifunctionality to two different microplastics of polyethylene and polyvinyl chloride
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A 144-day soil incubation experiment found that both polyethylene and polyvinyl chloride microplastics increased soil organic carbon, available phosphorus, and enzyme activities, while shifting microbial community composition in ways dependent on polymer type, dose, and particle size. Because soil ecosystem multifunctionality—nutrient cycling, microbial activity, and fertility—is altered by microplastic exposure, widespread soil contamination poses a long-term threat to agricultural productivity and food security.
Microplastics reduce soil detachment capacity by modulating soil physical properties: experimental evidence from concentration gradients
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Laboratory experiments showed that polyethylene microplastics at 0.5-2% soil concentrations significantly reduced saturated hydraulic conductivity and capillary porosity, decreasing soil detachment capacity by 8-15% under hydraulic stress. Degraded soil water dynamics from microplastic contamination have practical consequences for erosion control, agricultural water management, and the long-term productivity of farmland.
Microplastics and nanoplastics barely enhance contaminant mobility in agricultural soils
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This is a duplicate dataset entry for the same study on microplastics, nanoplastics, and contaminant mobility in agricultural soils. No additional abstract information is provided.
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