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Existence of microplastics in soil and groundwater in Jiaodong Peninsula
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Researchers found microplastics in both soil and groundwater samples from a Chinese coastal region, with fibers dominant in groundwater and fragments dominant in soils. The discovery of microplastics in groundwater raises concerns about plastic contamination of drinking water aquifers in agricultural areas.
Microplastic pollution has become a major global problem demanding prompt solution. So far, most research has focused on marine environment, but there is a lack of information about microplastic distribution, and persistence uptake in coastal soil environment. In this study, the Huangshui River Basin in Laizhou Bay and Dagu River Basin in Jiaozhou Bay of Shandong Province of China was taken as the research area. A total of 3,352 microplastic items were collected from 12 samples from the four sites in this study. The results showed that local soil was already affected by microplastics, of which 92.9% were particles, 6.1% were fibers, and only 1% were films. The existence of film PE indicated that the microplastic pollution in soil probably came from the plastic film. The degree of pollution was correlated with the size, and the size of microplastics was negatively correlated with abundance. Only a few labelled fibers were detected in groundwater samples, which may come from the external environment. This study contributes to a deeper understanding of environmental microplastic pollution in the coastal region.
More Papers Like This
High abundance of microplastics in groundwater in Jiaodong Peninsula, China
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Researchers detected microplastics in groundwater at all five sampling sites in the Jiaodong Peninsula of China, with concentrations ranging from 87 to 6,832 particles per liter and averaging 2,103 particles per liter. Particles smaller than 100 micrometers accounted for over 90% of the total, and concentrations correlated with proximity to industrial and agricultural activities above ground.
Microplastics contamination in groundwater of a drinking-water source area, northern China
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Researchers investigated microplastic contamination in shallow groundwater from a major drinking-water source area in northern China. The study found microplastics present in groundwater samples, with their abundance, morphology, and chemical composition varying across the study area and correlating with nearby human activities.
Microplastics in waters and soils: Occurrence, analytical methods and ecotoxicological effects
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Researchers conducted a comprehensive review of microplastic occurrence, analytical methods, and ecotoxicological effects in freshwater and soil environments. The study summarized microplastic abundance across several Chinese freshwater systems and highlighted that while marine microplastic pollution receives the most attention, freshwater and soil contamination deserve greater research focus.
Spatial Distributions, Compositional Profiles, Potential Sources, and Intfluencing Factors of Microplastics in Soils from Different Agricultural Farmlands in China: A National Perspective
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Researchers conducted a nationwide survey of microplastics in Chinese agricultural soils, collecting 477 samples from 109 cities across 31 regions, and identified spatial distribution patterns and key factors influencing farmland microplastic contamination.
The distribution of microplastics in soil aggregate fractions in southwestern China
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Researchers investigated microplastic distribution across different soil types in agricultural and forested areas near a lake in southwestern China and found plastic particles in every sample, with concentrations as high as 42,960 particles per kilogram. Approximately 95% of the particles fell within the microplastic size range, and fibers were the dominant form, likely originating from textiles and agricultural materials. The study demonstrates that microplastic contamination in soils is extensive and varies with land use practices.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.