Microplastics change soil properties, plant performance, and bacterial communities in salt-affected soils

Xu, Shuang; Zhao, Rong; Sun, Jiao; Sun, Yuhuan; Xu, Guangjian; Wang, Fayuan

doi:10.1016/j.jhazmat.2024.134333

Journal of Hazardous Materials

2024

DOI: 10.1016/j.jhazmat.2024.134333

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Microplastics change soil properties, plant performance, and bacterial communities in salt-affected soils

Shuang Xu,

Rong Zhao,

Jiao Sun

et al.

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Cited by 4 publications

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Microplastics affect ecosystem multifunctionality: Increasing evidence from soil enzyme activities

Wang,

Pei,

Zhang

et al. 2024

Land Degrad Dev

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

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Microplastics affect ecosystem multifunctionality: Increasing evidence from soil enzyme activities

Wang,

Pei,

Zhang

et al. 2024

Land Degrad Dev

View full text Add to dashboard Cite

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Microplastics regulate soil microbial activities: Evidence from catalase, dehydrogenase, and fluorescein diacetate hydrolase

Wang,

Sun,

Han

et al. 2024

Environmental Research

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The bifunctional impact of polylactic acid microplastics on composting processes and soil-plant systems: Dynamics of microbial communities and ecological niche competition

Wang,

Zhang,

Zhang

et al. 2024

Journal of Hazardous Materials

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Microplastics change soil properties, plant performance, and bacterial communities in salt-affected soils

Cited by 4 publications

References 120 publications

Microplastics affect ecosystem multifunctionality: Increasing evidence from soil enzyme activities

Microplastics affect ecosystem multifunctionality: Increasing evidence from soil enzyme activities

Microplastics regulate soil microbial activities: Evidence from catalase, dehydrogenase, and fluorescein diacetate hydrolase

The bifunctional impact of polylactic acid microplastics on composting processes and soil-plant systems: Dynamics of microbial communities and ecological niche competition

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