环境科学
土壤水分
土壤科学
微塑料
腐蚀
土壤有机质
土壤结构
土壤健康
环境化学
化学
地质学
古生物学
作者
Rosolino Ingraffia,Gaetano Amato,Vincenzo Bagarello,Francesco Giuseppe Carollo,Dario Giambalvo,Massimo Iovino,Anika Lehmann,Matthias C. Rillig,Alfonso Salvatore Frenda
出处
期刊:Soil
[Copernicus GmbH]
日期:2022-06-29
卷期号:8 (1): 421-435
被引量:20
标识
DOI:10.5194/soil-8-421-2022
摘要
Abstract. Microplastics are recognized as a factor of global change contaminating many environmental compartments. Agricultural soils are very likely to receive microplastic contamination and are of particular concern due to their role in food production. Microplastic fibers have already been shown to be able to affect soil properties, but their effect on different soil types is poorly understood. Moreover, limited information is available on how the presence of this pollutant can affect soil water erosion processes, which are extremely important issues in many environments. In the light of this, we performed two experiments (carried out on a microscale) to investigate how the presence of polyester microplastic fibers affects soil physical and hydrological parameters and processes such as aggregate formation and soil erosion in three different agricultural soil types (a Vertisol, an Entisol, and an Alfisol). Our data show that the effects of polyester microplastic fibers on soil physical parameters and erosion are strongly dependent on soil type. We found that microplastic fiber contamination can affect soil bulk density, capacitive indicators of soil physical quality, and decrease the formation of new aggregates (labile in the incubation period applied in our experiments) but did not affect their stability in water. However, we found that polyester microplastic fibers reduced soil loss and sediment concentration, especially in the most erodible soils. In this paper, we provide some hypotheses, but certainly future data are still needed to confirm or disprove our hypotheses. Overall, our results highlight the importance of broadly exploring soil properties, such as texture, mineralogy, organic carbon content, etc., to better understand how the various soil types respond to microplastic fiber contamination.
科研通智能强力驱动
Strongly Powered by AbleSci AI