Selenium content in soils from Murcia Region (SE, Spain)

被引：13
|
作者：
Perez-Sirvent, C. [1 ]
Martinez-Sanchez, M. J. [1 ]
Garcia-Lorenzo, M. L. [1 ]
Molina, J. [2 ]
Tudela, M. L. [2 ]
Mantilla, W. [1 ]
Bech, J. [3 ]
机构：
[1] Univ Murcia, Fac Chem, Dept Agr Chem Geol & Pedol, Murcia, Spain
[2] Univ Murcia, Fac Geog, Dept Phys Geog Human Geog & Reg Geog Anal, Murcia, Spain
[3] Univ Barcelona, Barcelona, Spain
来源：
JOURNAL OF GEOCHEMICAL EXPLORATION | 2010年 / 107卷 / 02期
关键词：
Selenium; Generic reference level; Soil pollution; Murcia Region; BASE-LINE VALUES; TRACE-ELEMENTS; BACKGROUND CONCENTRATIONS; HEAVY-METALS; SEDIMENTS; CHINA;
D O I：
10.1016/j.gexplo.2010.10.001
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The objective of this study was to determine the selenium content in soils from the Region of Murcia (SE Spain) and to study the possible relationship between mineralogical composition soil properties and selenium content In addition generic reference level (GRL) for selenium was determined according to Spanish legislation For this study 490 samples were selected in areas subjected to agricultural activity or abandoned agricultural soils with natural vegetation Five different zones were established in order to study selenium variability Four different mineralogical groups were established based on significant relationship with the mineralogical composition and each sample was included in one mineralogical group The results showed that the concentration of selenium is correlated with the electrical conductivity sulphate content and with the mineralogical composition particularly positively with quartz and in a negative way with calcite percentage In addition selenium level was positively correlated with the phyllosilicate content Established GRL for selenium varies with the mineralogical group having a great transcendence from the legal and economic points of view (c) 2010 Elsevier B V All rights reserved
引用
收藏
页码：100 / 109
页数：10
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