Do Added Microplastics, Native Soil Properties, and Prevailing Climatic Conditions Have Consequences for Carbon and Nitrogen Contents in Soil? A Global Data Synthesis of Pot and Greenhouse Studies

doi:10.1021/acs.est.3c10247

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	Do Added Microplastics, Native Soil Properties, and Prevailing Climatic Conditions Have Consequences for Carbon and Nitrogen Contents in Soil? A Global Data Synthesis of Pot and Greenhouse Studies
	Iqbal, Shahid; Xu, Jianchu; Arif, Muhammad Saleem; Worthy, Fiona R.; Jones, Davey L.; Khan, Sehroon; Alharbi, Sulaiman Ali; Filimonenko, Ekaterina; Nadir, Sadia; Bu, Dengpan; Shakoor, Awais; Gui, Heng; Schaefer, Douglas Allen; Kuzyakov, Yakov
	2024
发表期刊	ENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN	0013-936X
卷号	58 期号:19 页码:8464-8479
摘要	Microplastics threaten soil ecosystems, strongly influencing carbon (C) and nitrogen (N) contents. Interactions between microplastic properties and climatic and edaphic factors are poorly understood. We conducted a meta-analysis to assess the interactive effects of microplastic properties (type, shape, size, and content), native soil properties (texture, pH, and dissolved organic carbon (DOC)) and climatic factors (precipitation and temperature) on C and N contents in soil. We found that low-density polyethylene reduced total nitrogen (TN) content, whereas biodegradable polylactic acid led to a decrease in soil organic carbon (SOC). Microplastic fragments especially depleted TN, reducing aggregate stability, increasing N-mineralization and leaching, and consequently increasing the soil C/N ratio. Microplastic size affected outcomes; those <200 mu m reduced both TN and SOC contents. Mineralization-induced nutrient losses were greatest at microplastic contents between 1 and 2.5% of soil weight. Sandy soils suffered the highest microplastic contamination-induced nutrient depletion. Alkaline soils showed the greatest SOC depletion, suggesting high SOC degradability. In low-DOC soils, microplastic contamination caused 2-fold greater TN depletion than in soils with high DOC. Sites with high precipitation and temperature had greatest decrease in TN and SOC contents. In conclusion, there are complex interactions determining microplastic impacts on soil health. Microplastic contamination always risks soil C and N depletion, but the severity depends on microplastic characteristics, native soil properties, and climatic conditions, with potential exacerbation by greenhouse emission-induced climate change.
DOI	10.1021/acs.est.3c10247
WOS记录号	WOS:001225392800001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/76349
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Iqbal, Shahid,Xu, Jianchu,Arif, Muhammad Saleem,et al. Do Added Microplastics, Native Soil Properties, and Prevailing Climatic Conditions Have Consequences for Carbon and Nitrogen Contents in Soil? A Global Data Synthesis of Pot and Greenhouse Studies[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2024,58(19):8464-8479.
APA	Iqbal, Shahid.,Xu, Jianchu.,Arif, Muhammad Saleem.,Worthy, Fiona R..,Jones, Davey L..,...&Kuzyakov, Yakov.(2024).Do Added Microplastics, Native Soil Properties, and Prevailing Climatic Conditions Have Consequences for Carbon and Nitrogen Contents in Soil? A Global Data Synthesis of Pot and Greenhouse Studies.ENVIRONMENTAL SCIENCE & TECHNOLOGY,58(19),8464-8479.
MLA	Iqbal, Shahid,et al."Do Added Microplastics, Native Soil Properties, and Prevailing Climatic Conditions Have Consequences for Carbon and Nitrogen Contents in Soil? A Global Data Synthesis of Pot and Greenhouse Studies".ENVIRONMENTAL SCIENCE & TECHNOLOGY 58.19(2024):8464-8479.

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