Insight into microplastics in the aquatic ecosystem: Properties, sources, threats and mitigation strategies

The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 913, P. 169489 - 169489

Published: Dec. 28, 2023

Language: Английский

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Effects of Microplastics on Soil Carbon Mineralization: The Crucial Role of Oxygen Dynamics and Electron Transfer

Environmental Science & Technology, Journal Year: 2023, Volume and Issue: 57(36), P. 13588 - 13600

Published: Aug. 30, 2023

Although our understanding of the effects microplastics on dynamics soil organic matter (SOM) has considerably advanced in recent years, fundamental mechanisms remain unclear. In this study, we examine polyethylene and poly(lactic acid) SOM processes via mineralization incubation. Accordingly, evaluated changes carbon dioxide (CO2) methane (CH4) production. An O2 planar optical sensor was used to detect temporal behavior dissolved during incubation determine microscale oxygen heterogeneity caused by microplastics. Additionally, (DOM) were using a combination spectroscopic approaches ultrahigh-resolution mass spectrometry. Microplastics increased cumulative CO2 emissions 160–613%, whereas CH4 dropped 45–503%, which may be attributed oxygenated porous habitats surrounding Conventional biodegradable changed quantities carbon. microplastic treatments, DOM with more polar groups detected, suggesting higher level electron transport. addition, there positive correlation between concentration, electron-donating ability, emission. These findings suggest that facilitate modifying microenvironments, transport capability. study provides new insights into impact dynamics.

Language: Английский

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From organic fertilizer to the soils: What happens to the microplastics? A critical review

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 919, P. 170217 - 170217

Published: Feb. 1, 2024

Language: Английский

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Effects of microplastics on soil carbon pool and terrestrial plant performance

Carbon Research, Journal Year: 2024, Volume and Issue: 3(1)

Published: April 19, 2024

Abstract Soil, as a primary repository of plastic debris, faces an escalating influx microplastics. Microplastics have the potential to decrease soil bulk density and pH, well alter pore structure aggregation. These changes in physicochemical properties subsequently lead habitat degradation for microbes environmental shifts that impact plant growth. Masquerading carbon storage, microplastics can distort assessments pool by introducing plastic-carbon associated leachates, influencing organic matter (SOM) turnover through priming effects (e.g., dilution, substrate switching, co-metabolisms). Additionally, influence distribution particulate mineral-associated matter, consequently affecting accumulation stability carbon. Furthermore, also chemodiversity dissolved (DOM) soils increasing DOM aromaticity molecular weight while deepening its humification degree. The observed may be attributed inputs from microplastic-derived along with organo-organic organo-mineral interactions coupled microbial processes. Acting inert source carbon, create distinct ecological niche growth contribute necromass formation pathways. Conventional reduce contribution stable whereas bio-microplastics tend increase it. exert wide range on performance both internal external factors, seed germination, vegetative reproductive growth, inducing ecotoxicity genotoxicity. impacts arise alterations environment or uptake plants. Future research should aim elucidate storage within fractions, paying closer attention rhizosphere dynamics such stabilization mineral protection rhizodeposits soils. Graphical

Language: Английский

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Effect of conventional and biodegradable microplastics on the soil-soybean system: A perspective on rhizosphere microbial community and soil element cycling

Environment International, Journal Year: 2024, Volume and Issue: 190, P. 108781 - 108781

Published: May 28, 2024

As an exogenous carbon input, microplastics (MPs), especially biodegradable MPs, may significantly disrupt soil microbial communities and element cycling (CNPS cycling), but few studies have focused on this. Here, we assessing the effects of conventional low-density polyethylene (LDPE), polybutylene adipate terephthalate (PBAT), polylactic acid (PLA) MPs rhizosphere CNPS in a soil-soybean system. The results showed that PBAT-MPs PLA-MPs were more detrimental to soybean growth than LDPE-MPs, resulting reduction shoot nitrogen (14.05% 11.84%) biomass (33.80% 28.09%) at podding stage. In addition, dissolved organic (DOC) increased by 20.91% 66.59%, while nitrate (NO

Language: Английский

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Biodegradation of polyethylene terephthalate by Tenebrio molitor: Insights for polymer chain size, gut metabolome and host genes

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 465, P. 133446 - 133446

Published: Jan. 6, 2024

Language: Английский

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Microplastic pollution promotes soil respiration: A global‐scale meta‐analysis

Global Change Biology, Journal Year: 2024, Volume and Issue: 30(7)

Published: July 1, 2024

Abstract Microplastic (MP) pollution likely affects global soil carbon (C) dynamics, yet it remains uncertain how and to what extent MP influences respiration. Here, we report on a meta‐analysis determine the effects of microbiome CO 2 emission. We found that significantly increased contents organic C (SOC) (21%) dissolved (DOC) (12%), activity fluorescein diacetate hydrolase (FDAse) (10%), microbial biomass (17%), but led decrease in diversity (3%). In particular, increases components further promote emission (25%) from soil, with much higher effect MPs these emissions than biomass. The could be attributed opposite vs. diversity, as accumulation recruited some functionally important bacteria provided additional substrates for specific heterotrophic microorganisms, while inhibiting growth autotrophic taxa (e.g., Chloroflexi , Cyanobacteria ). This study reveals can increase by causing shifts microbiome. These results underscore potential importance plastic terrestrial fluxes, thus climate feedbacks.

Language: Английский

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Biodegradable microplastics pose greater risks than conventional microplastics to soil properties, microbial community and plant growth, especially under flooded conditions

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 931, P. 172949 - 172949

Published: May 3, 2024

Language: Английский

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Degrading poly(lactic acid) microplastic induces priming in agricultural soils

Applied Soil Ecology, Journal Year: 2025, Volume and Issue: 206, P. 105911 - 105911

Published: Jan. 28, 2025

Language: Английский

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Microplastics sequestered in the soil affect the turnover and stability of soil aggregates: A review

The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 904, P. 166776 - 166776

Published: Sept. 4, 2023

Language: Английский

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