Planting Enhances Soil Resistance to Microplastics: Evidence from Carbon Emissions and Dissolved Organic Matter Stability DOI
Qi Wang, Weitao Liu, Qixing Zhou

et al.

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 19, 2024

Microplastics (MPs) have become a global hotspot due to their widespread distribution in recent years. MPs frequently interact with dissolved organic matter (DOM) and microbes, thereby influencing the carbon fate of soils. However, role plant presence regulating MPs-mediated changes DOM microbial structure remains unclear. Here, we compared mechanisms soil response 3 common nonbiodegradable absence or radish (Raphanus sativus L. var. radculus Pers) plants. Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) analysis revealed that reduced chemodiversity biodiversity (DOM). enhanced degradation lignin-like compounds stability. Comparative showed caused less disturbance composition metabolism planted than unplanted soil. In soil, stimulated fermentation while upregulating photoautotrophic activity enhancing system The rhizosphere effect mitigated MPs-induced CO2 emissions. Overall, our study highlights crucial effects maintaining ecosystem stability under microbe-DOM-pollutant interactions, which provides theoretical basis for predicting resistance, resilience, transitions upon exposure anthropogenic source.

Language: Английский

Microplastics affect ecosystem multifunctionality: Increasing evidence from soil enzyme activities DOI
Fayuan Wang,

Lei Pei,

Shuwu Zhang

et al.

Land Degradation and Development, Journal Year: 2024, Volume and Issue: 35(15), P. 4379 - 4405

Published: July 22, 2024

Abstract Microplastics (MPs) as emerging contaminants have a global occurrence, including both terrestrial and marine ecosystems. Soil enzymes contribute to maintaining ecosystem multifunctionality, for example, nutrient cycling, organic material decomposition, carbon climate regulation. Our present review highlights the impacts of MPs on soil enzyme activities, influencing factors, underlying mechanisms. Increasing findings confirm that can change activities range involved in biogeochemical cycling C N. However, current results are highly controversial. The effects vary from significant nonsignificant dependent polymer type, biodegradability, dosage, size, shape, aging degree MPs, exposure conditions. Compared traditional biodegradable generally show more pronounced effects. via different pathways. On one hand, directly structure, leading alterations activity. other create unique habitats, provide sources specific functional microbes producing enzymes, release plastic additives pollutants disturbing production these enzymes. Furthermore, alter physicochemical biological properties, availability substrates, plants fauna, regulating their functions. In conclusion, regulate pose profound impact multifunctionality.

Language: Английский

Citations

15
Small-size polyethylene and polylactic microplastic alterations on soil aggregate formation with soil sterilization DOI
Haixiao Li, Le Liu, Cheng Li

et al.

Chemosphere, Journal Year: 2024, Volume and Issue: 364, P. 143158 - 143158

Published: Aug. 23, 2024

Language: Английский

Citations

6
Organic matter and microplastics nexus: A comprehensive understanding of the synergistic impact on soil health DOI

Samra Ijaz,

Guijian Liu, Abdul Rehman

et al.

The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 978, P. 179420 - 179420

Published: April 16, 2025

Language: Английский

Citations

0
Mitigating the detrimental impacts of low- and high-density polyethylene microplastics using a novel microbial consortium on a soil-plant system: Insights and interactions DOI Creative Commons
Milad Mirzaei Aminiyan,

Mahdi Shorafa,

Ahmad Ali Pourbabaee

et al.

Ecotoxicology and Environmental Safety, Journal Year: 2024, Volume and Issue: 283, P. 116805 - 116805

Published: Aug. 3, 2024

The accumulation of polyethylene microplastics (PE-MPs) in soil has raised considerable concerns; however, the effects their persistence and mitigation on agroecosystems have not been explored. This study aimed to assess detrimental PE-MPs a soil-plant system evaluate using novel microbial consortium (MC). We incorporated low-density (LDPE) high-density (HDPE) at two different concentrations, along with control (0 %, 1 2 % w/w) into sandy loam for duration 135 days. samples were also treated MC incubated comprised three bacterial strains (Ralstonia pickettii (MW290933) strain SHAn2, Pseudomonas putida ShA, Lysinibacillus xylanilyticus XDB9 (T) S7-10F), fungal (Aspergillus niger F1-16S). Sunflowers subsequently cultivated, physiological growth parameters measured. results showed that adding LDPE significantly decreased pH by 1.06 units compared control. Moreover, HDPE resulted more significant decrease electrical conductivity (EC) relative A dose-dependent increase dissolved organic carbon (DOC) was observed, highest DOC found LDPE. addition higher dosages reduced bulk density (BD) than HDPE. increased water drop penetration time (WDPT) but mean weight diameter aggregates (MWD) water-stable (WSA) revealed levels enhanced basal respiration (BR) biomass (MBC). interaction MP percentages considerably pH, EC, BD, WDPT DOC, MWD, WSA, BR, MBC. Regarding plant growth, incorporating responses sunflower: chlorophyll content (Chl; -15.2 %), Fv/Fm ratio (-25.3 shoot dry (ShD; -31.3 root (RD; -40 leaf area (LA; -38.4 stem (StemD; -25 %) control; ameliorated harmful investigated responses.

Language: Английский

Citations

1
Planting Enhances Soil Resistance to Microplastics: Evidence from Carbon Emissions and Dissolved Organic Matter Stability DOI
Qi Wang, Weitao Liu, Qixing Zhou

et al.

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 19, 2024

Microplastics (MPs) have become a global hotspot due to their widespread distribution in recent years. MPs frequently interact with dissolved organic matter (DOM) and microbes, thereby influencing the carbon fate of soils. However, role plant presence regulating MPs-mediated changes DOM microbial structure remains unclear. Here, we compared mechanisms soil response 3 common nonbiodegradable absence or radish (Raphanus sativus L. var. radculus Pers) plants. Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) analysis revealed that reduced chemodiversity biodiversity (DOM). enhanced degradation lignin-like compounds stability. Comparative showed caused less disturbance composition metabolism planted than unplanted soil. In soil, stimulated fermentation while upregulating photoautotrophic activity enhancing system The rhizosphere effect mitigated MPs-induced CO2 emissions. Overall, our study highlights crucial effects maintaining ecosystem stability under microbe-DOM-pollutant interactions, which provides theoretical basis for predicting resistance, resilience, transitions upon exposure anthropogenic source.

Language: Английский

Citations

1