New habitats for microorganisms in soil:progress on studying occurrence and ecological risks of plastisphere
Microplastics are an emerging pollutant that poses potential environmental risks to ecosys-tems in soil due to the widespread use and improper treating of plastic materials.Microplastics provide new habitats for microorganisms in soil and form a unique ecosystem with the surrounding environment-the plastisphere.Artificial plastics are not easily degraded in soil environments,posing a severe and persistent ecological threat to the original environment in soil.Recent studies on the plastisphere have mainly focused on aquatic ecosystems,and understanding of the combined effects of plastisphere in soil on microorgan-isms,microplastics,environment in soil,and other pollutants is still very limited.This article reviewed the progress on studying ecological risks of the plastisphere as new habitats for microorganisms in soil to investi-gate the mechanism of the interaction between microorganisms and microplastics of plastisphere in soil and the resulting ecological effects.The selection effect of plastisphere in soil on microorganisms and the migra-tion and transformation of microplastics,the changes of soil structure and carbon cycle in soil caused by plastisphere in soil,and the combined effect with other environmental pollutants were mainly discussed.It will provide valuable guidance for studying the plastisphere of ecosystems in soil in the future.
plastispheremicroplasticsmicroorganismsoil environmentenvironmental pollutantsmigration and transformationecological riskcarbon cycle
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