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Microplastics in soils: A review of methods, occurrence, fate, transport, ecological and environmental risks
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This review examines the sources, detection methods, and environmental behavior of microplastics in soils, an area that has received far less attention than marine microplastic pollution. Researchers found that microplastics interact with soil properties and organisms in complex ways, potentially entering the human food chain. The study calls for standardized methods and more research into how these tiny plastic particles move through and affect terrestrial ecosystems.
The global prevalence of microplastics (MPs) poses a potential threat and unpredictable risk to the function and health of environmental systems. However, the research progress of soil MPs is restricted by the inherent technical inconformity and difficulties in analyzing particles in complex matrices. Here, we reviewed a selection of papers and then extrapolated a tentative standardized method for such analyses. The multiple sources of soil MPs in soil need to be quantified. Global monitoring data of soil MPs is far from sufficient. The interaction between MPs and different properties and environmental factors controls the migration and retention of MPs in soil. The migration behavior and key mechanisms of MPs in real-world environments remain to be determined. The presence of MPs threatens soil microbial-plant-animal ecosystem function and health, and may enter the human body through the food chain, although the extent of these hazards is currently debated. In particular, attention should be paid to the potential transport and ecotoxicological mechanisms of contaminants derived and adsorptive from MPs and of harmful microorganisms (such as pathogens) attached as biofilms. Although there exist preliminary studies on soil MPs, it is urgent to consider the diversity of MPs as a suite of contaminants and to systematically understand the sources, flux and effects of these artificial pollutants in time and space from the perspective of plastic environmental cycle. More comprehensive quantification of their environmental fate is undertaken to identify risks to global human and ecological systems. From the perspective of controlling soil MP pollution, the responsibility assignment of government manage-producer-consumer system and the strategy of remediation should be implemented. This review is helpful for providing an important roadmap and inspiration for the research methods and framework of soil MPs and facilitates the development of waste management and remediation strategies for regional soil MP contamination.
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Microplastics in soils: assessment, analytics and risks
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This review examines microplastic prevalence, analytical methods, and risks in soils, finding that terrestrial microplastic contamination has received far less attention than marine accumulation despite comparable or greater abundance. Researchers evaluated current difficulties in soil microplastic sampling, isolation, and identification and called for standardised methodologies to assess ecological and human health risks.
Source, migration and toxicology of microplastics in soil
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This review compiles research on the sources, movement, and toxic effects of microplastics in soil ecosystems, an area that has received less attention than aquatic pollution. Researchers describe how microplastics enter soil through agricultural practices, wastewater, and atmospheric deposition, then transfer through food chains to affect organisms at multiple levels. The study identifies major knowledge gaps and proposes management strategies to mitigate the ecological and human health risks of soil microplastic contamination.
Environmental fate and impacts of microplastics in soil ecosystems: Progress and perspective
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This review summarized knowledge on microplastics in soil environments, covering occurrence across agricultural, industrial, and urban soils, transport pathways, and ecological risks to soil organisms and plant communities. The authors identify key data gaps and methodological challenges that currently limit understanding of microplastic fate and impact in terrestrial systems.
A review of microplastics in the soil environment
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This review summarizes the current state of knowledge about microplastic contamination in soil environments, covering sources, distribution, and effects on soil organisms and ecosystems. The study highlights that while aquatic microplastic research is more advanced, soil contamination poses significant but understudied risks to terrestrial ecosystems and food production.
A discussion of microplastics in soil and risks for ecosystems and food chains
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This review examines how microplastics accumulate in soils through agricultural practices, landfills, and wastewater, posing risks to ecosystems and food chains. Researchers found that while marine microplastic pollution has been well studied, terrestrial contamination remains poorly understood despite soil receiving more plastic waste than oceans. The study highlights how microplastics can alter soil properties, harm soil organisms, and potentially transfer through the food chain to humans.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.