Spatial variations of concentrations of copper and its speciation in the soil-rice system in Wenling of southeastern China

doi:10.1007/s11356-014-2638-9

CORC > 上海财经大学 > 上海财经大学

	Spatial variations of concentrations of copper and its speciation in the soil-rice system in Wenling of southeastern China
	Zhao, Keli 1,2; Fu, Weijun 1; Liu, Xingmei 2; Huang, Dongliang 3; Zhang, Chaosheng 4,5; Ye, Zhengqian 1; Xu, Jianming 2
刊名	ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
	2014-06
卷号	21 期号:11 页码:7165-7176
关键词	Rice (Oryza sativa L.) Copper Local Moran's I Cross-correlogram Sequential fractionation Spatial pattern
ISSN号	0944-1344
DOI	10.1007/s11356-014-2638-9
英文摘要	Copper (Cu) is one of the essential elements for plant growth, while excessive Cu in soils has potential environmental risks. There is little information on spatial variation of Cu in practical paddy fields. This is now important for appropriate agricultural management. The spatial patterns of Cu, its fractions in soils, and its concentrations in rice were investigated in a typical rice production region-Wenling of southeastern China. A total of 96 pairs of rice grain and soil samples (0-15 cm) were collected. The total concentration of Cu and its fractions were very variable, with large skewness, kurtosis, and coefficient of variation (CV) values. Compared to the guideline value (50 mg kg(-1)), Cu pollution in paddy fields was observed in the study area. All the measured Cu concentrations in rice were lower than 10 mg kg(-1), suggesting that they remained at a safe level. Spatial analyses including Moran's I index and geostatistics results indicated that high-high spatial patterns for both Cu in soils and rice were found in the northwest part, which was mainly related to industrial and E-waste dismantling activities. The low-low spatial patterns of Cu in the soil-rice system were located in the south part of study area. The cross-correlogram results indicated that Cu concentration in rice was significantly spatially correlated with total Cu in soils, its fractions, and soil organic matter (SOM), but significantly negatively correlated with pH and electrical conductivity (EC). Most of the selected variables had a clear spatial correlation range with Cu in rice. The ranges of significant spatial correlation (p < 0.05) could be obtained and further used for dividing agricultural management zones.
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	SPRINGER HEIDELBERG
WOS记录号	WOS:000336371000034
内容类型	期刊论文
源URL	[http://10.2.47.112/handle/2XS4QKH4/1755]
专题	上海财经大学
通讯作者	Fu, Weijun
作者单位	1.Zhejiang A&F Univ, Sch Environm & Resource Sci, Linan 311300, Peoples R China; 2.Zhejiang Univ, Inst Soil & Water Resources & Environm Sci, Hangzhou 310058, Zhejiang, Peoples R China; 3.Shanghai Univ Finance & Econ, Sch Law, Shanghai 200433, Peoples R China; 4.Natl Univ Ireland, Ryan Inst, GIS Ctr, Galway, Ireland; 5.Natl Univ Ireland, Sch Geog & Archaeol, Galway, Ireland
推荐引用方式 GB/T 7714	Zhao, Keli,Fu, Weijun,Liu, Xingmei,et al. Spatial variations of concentrations of copper and its speciation in the soil-rice system in Wenling of southeastern China[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2014,21(11):7165-7176.
APA	Zhao, Keli.,Fu, Weijun.,Liu, Xingmei.,Huang, Dongliang.,Zhang, Chaosheng.,...&Xu, Jianming.(2014).Spatial variations of concentrations of copper and its speciation in the soil-rice system in Wenling of southeastern China.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,21(11),7165-7176.
MLA	Zhao, Keli,et al."Spatial variations of concentrations of copper and its speciation in the soil-rice system in Wenling of southeastern China".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 21.11(2014):7165-7176.