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Microplastics shift soil carbon allocation toward mineral-associated fractions while increasing CO₂ emissions: a dual-level meta-analysis
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Researchers compiled effect-size datasets for a multi-level meta-analysis examining how microplastics redistribute soil carbon between particulate and mineral-associated fractions while simultaneously increasing CO₂ emissions, providing primary and secondary data files to quantify these coupled effects on soil carbon cycling and greenhouse gas release.
Effect-size datasets for a multi-level meta-analysis of microplastic effects on soil carbon pools, SOC fractions (POC, MAOC, MNC), and greenhouse gas emissions. Contains primary_meta_data.csv and secondary_meta_data.csv.
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Microplastics shift soil carbon allocation toward mineral-associated fractions while increasing CO₂ emissions: a dual-level meta-analysis
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Researchers compiled primary and secondary effect-size datasets for a multi-level meta-analysis examining how microplastics shift soil carbon partitioning toward mineral-associated organic carbon fractions while simultaneously elevating CO2 emissions, providing a quantitative synthesis of microplastic impacts on terrestrial carbon cycling.
Differential impacts of microplastics on carbon and nitrogen cycling in plant-soil systems: A meta-analysis
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A meta-analysis of 3,338 observations found that microplastics increased soil CO2 emissions by 25.7% but also boosted soil carbon storage through increases in total carbon (53.3%), soil organic carbon (25.4%), and microbial biomass carbon (19.6%). However, microplastics decreased plant aboveground biomass and reduced nitrate and ammonia volatilization, suggesting that while soil carbon sink capacity may increase, agricultural productivity could suffer.
Microplastic-induced agricultural soil carbon dynamics: A global meta-analysis of property-dependent effects and underlying mechanisms
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Tiny plastic bits in farm soil are messing with how soil stores carbon and releases CO2, changing soil chemistry in ways that could affect crop growth and soil health long-term. This matters because the food we eat grows in this soil, and disrupted soil health can ripple into food quality and our broader environment, even though direct human health impacts still need more research.
Microplastics and Soil Greenhouse Gas Emissions: A Critical Reflection on Meta-Analyses
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This meta-analysis pools data from multiple studies to assess whether microplastics in agricultural soil affect greenhouse gas emissions. The findings reveal that the environmental impact of microplastics extends beyond direct toxicity, as they may alter soil microbial activity in ways that contribute to climate change.
Effect of microplastics on carbon, nitrogen and phosphorus cycle in farmland soil: A meta-analysis
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This meta-analysis of 102 studies found that microplastics in farmland soil increased soil organic carbon, microbial biomass carbon, and microbial biomass nitrogen, but also elevated CO2, methane, and nitrous oxide emissions through enhanced carbon mineralization and denitrification. Microplastic biodegradability, size, concentration, and soil properties all drove these effects, suggesting agricultural microplastic pollution may worsen greenhouse gas emissions from farmland.
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