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In situ visualisation and characterisation of the capacity of highly reactive minerals to preserve soil organic matter (SOM) in colloids at submicron scale

文献类型：期刊论文

作者Xiao, Jian1; Wen, Yongli1; Li, Huan1; Hao, Jialong2; Shen, Qirong1; Ran, Wei1; Mei, Xinlan1; He, Xinhua3; Yu, Guanghui1
刊名CHEMOSPHERE
出版日期2015-11-01
卷号138页码:225-232
关键词Soil colloids Mineral-organo associations (MOAs) Nano-scale secondary ion mass spectrometry (NanoSIMS) X-ray absorption near edge structure (XANES) Confocal laser scanning microscopy (CLSM)
DOI10.1016/j.chemosphere.2015.05.089
文献子类Article
英文摘要Mineral-organo associations (MOAs) are a mixture of identifiable biopolymers associated with highly reactive minerals and microorganisms. However, the in situ characterization and correlation between soil organic matter (SOM) and highly reactive Al and Fe minerals are still unclear for the lack of technologies, particularly in the long-term agricultural soil colloids at submicron scale. We combined several novel techniques, including nano-scale secondary ion mass spectrometry (NanoSIMS), X-ray absorption near edge structure (XANES) and confocal laser scanning microscopy (CLSM) to characterise the capacity of highly reactive Al and Fe minerals to preserve SOM in Ferralic Cambisol in south China. Our results demonstrated that: (1) highly reactive minerals were strongly related to SOM preservation, while SOM had a more significant line correlation with the highly reactive Al minerals than the highly reactive Fe minerals, according to the regions of interest correlation analyses using NanoSIMS; (2) allophane and ferrihydrite were the potential mineral species to determine the SUM preservation capability, which was evaluated by the X-ray photoelectron spectroscopy (XPS) and Fe K-edge XANES spectroscopy techniques; and (3) soil organic biopolymers with dominant compounds, such as proteins, polysaccharides and lipids, were distributed at the rough and clustered surface of MOAs with high chemical and spatial heterogeneity according to the CLSM observation. Our results also promoted the understanding of the roles played by the highly reactive Al and Fe minerals in the spatial distribution of soil organic biopolymers and SOM sequestration. (C) 2015 Elsevier Ltd. All rights reserved.
WOS关键词EXTRACELLULAR POLYMERIC SUBSTANCES ; RAY-ABSORPTION SPECTROSCOPY ; FOREST SOILS ; TEMPERATE SOILS ; SURFACE-AREA ; RED SOIL ; IRON ; FE ; ASSOCIATIONS ; NANOSIMS
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000361772800031
资助机构National Natural Science Foundation of China(41371248 ; National Natural Science Foundation of China(41371248 ; National Basic Research Program of China(2011CB100503) ; National Basic Research Program of China(2011CB100503) ; Natural Science Foundation of the Jiangsu Province of China(BK20131321) ; Natural Science Foundation of the Jiangsu Province of China(BK20131321) ; Qing Lan Project ; Qing Lan Project ; Innovative Research Team Development Plan of the Ministry of China(IRT1256) ; Innovative Research Team Development Plan of the Ministry of China(IRT1256) ; 111 Project(B12009) ; 111 Project(B12009) ; Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions ; Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions ; 41371299) ; 41371299) ; National Natural Science Foundation of China(41371248 ; National Natural Science Foundation of China(41371248 ; National Basic Research Program of China(2011CB100503) ; National Basic Research Program of China(2011CB100503) ; Natural Science Foundation of the Jiangsu Province of China(BK20131321) ; Natural Science Foundation of the Jiangsu Province of China(BK20131321) ; Qing Lan Project ; Qing Lan Project ; Innovative Research Team Development Plan of the Ministry of China(IRT1256) ; Innovative Research Team Development Plan of the Ministry of China(IRT1256) ; 111 Project(B12009) ; 111 Project(B12009) ; Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions ; Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions ; 41371299) ; 41371299)
源URL[http://ir.iggcas.ac.cn/handle/132A11/62246]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
作者单位1.Nanjing Agr Univ, Natl Engn Res Ctr Organ Based Fertilizers, Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Jiangsu Prov Key Lab Organ Solid Waste Utilizat, Nanjing 210095, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
3.Univ Western Australia, Sch Plant Biol, Crawley, WA 6009, Australia
推荐引用方式
GB/T 7714		 Xiao, Jian,Wen, Yongli,Li, Huan,et al. In situ visualisation and characterisation of the capacity of highly reactive minerals to preserve soil organic matter (SOM) in colloids at submicron scale[J]. CHEMOSPHERE,2015,138:225-232.
APA Xiao, Jian.,Wen, Yongli.,Li, Huan.,Hao, Jialong.,Shen, Qirong.,...&Yu, Guanghui.(2015).In situ visualisation and characterisation of the capacity of highly reactive minerals to preserve soil organic matter (SOM) in colloids at submicron scale.CHEMOSPHERE,138,225-232.
MLA Xiao, Jian,et al."In situ visualisation and characterisation of the capacity of highly reactive minerals to preserve soil organic matter (SOM) in colloids at submicron scale".CHEMOSPHERE 138(2015):225-232.

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来源：地质与地球物理研究所

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