Short-term impacts of polyethylene and polyacrylonitrile microplastics on soil physicochemical properties and microbial activity of a marine terrace environment in maritime Antarctica

Oliveira de Miranda, Caik; Lelis Leal de Souza, José João; Gonçalves Reynaud Schaefer, Carlos Ernesto; Huerta Lwanga, Esperanza; Nadal Junqueira Villela, Fernando

doi:10.1016/j.envpol.2024.123791

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Cited by 3 publications

References 104 publications

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Microplastics in Terrestrial Ecosystems

Toha,

Rayhan,

Rahman

2024

Microplastics Pollution and Its Remediation

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Microplastics in Terrestrial Ecosystems

Toha,

Rayhan,

Rahman

2024

Microplastics Pollution and Its Remediation

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Response of soil heavy metal forms and bioavailability to the application of microplastics across five years in different soil types

Jiang,

Wang,

Xiao

et al. 2024

Journal of Hazardous Materials

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

Zhao,

Rillig,

Bing

et al. 2024

Global Change Biology

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Microplastic (MP) pollution likely affects global soil carbon (C) dynamics, yet it remains uncertain how and to what extent MP influences soil respiration. Here, we report on a global meta‐analysis to determine the effects of MP pollution on the soil microbiome and CO2 emission. We found that MP pollution significantly increased the contents of soil organic C (SOC) (21%) and dissolved organic C (DOC) (12%), the activity of fluorescein diacetate hydrolase (FDAse) (10%), and microbial biomass (17%), but led to a decrease in microbial diversity (3%). In particular, increases in soil C components and microbial biomass further promote CO2 emission (25%) from soil, but with a much higher effect of MPs on these emissions than on soil C components and microbial biomass. The effect could be attributed to the opposite effects of MPs on microbial biomass vs. diversity, as soil MP accumulation recruited some functionally important bacteria and provided additional C substrates for specific heterotrophic microorganisms, while inhibiting the growth of autotrophic taxa (e.g., Chloroflexi, Cyanobacteria). This study reveals that MP pollution can increase soil CO2 emission by causing shifts in the soil microbiome. These results underscore the potential importance of plastic pollution for terrestrial C fluxes, and thus climate feedbacks.

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Short-term impacts of polyethylene and polyacrylonitrile microplastics on soil physicochemical properties and microbial activity of a marine terrace environment in maritime Antarctica

Cited by 3 publications

References 104 publications

Microplastics in Terrestrial Ecosystems

Microplastics in Terrestrial Ecosystems

Response of soil heavy metal forms and bioavailability to the application of microplastics across five years in different soil types

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

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