Spatial Variation of Heavy Mentals in Dioscorea Opposita Thunb. Planted Areas of Hebei Province

WEI Honghong; YANG Haoran; LIU Huiling; ZHANG Yigong

doi:10.13961/j.cnki.stbctb.2015.05.108

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Spatial Variation of Heavy Mentals in Dioscorea Opposita Thunb. Planted Areas of Hebei Province

- Spatial Variation of Heavy Mentals in Dioscorea Opposita Thunb. Planted Areas of Hebei Province
- Bulletin of Soiland Water Conservation Vol. 35, Issue 5, Pages: 227-231(2015)
- 作者机构：
  
  河北农业大学资源与环境科学学院,河北,保定,071001
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.05.108
  CLC：
- Published：2015
- 稿件说明：
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WEI Honghong, YANG Haoran, LIU Huiling, et al. Spatial Variation of Heavy Mentals in Dioscorea Opposita Thunb. Planted Areas of Hebei Province[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 227-231.
DOI：

WEI Honghong, YANG Haoran, LIU Huiling, et al. Spatial Variation of Heavy Mentals in Dioscorea Opposita Thunb. Planted Areas of Hebei Province[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 227-231. DOI： 10.13961/j.cnki.stbctb.2015.05.108.

摘要

[目的] 明确河北省麻山药种植区土壤重金属的空间分布特征以及土壤性状、社会经济因素对土壤重金属含量的影响。[方法] 在研究区内通过网格法均匀分布取样获取土壤样本

室内试验得到样本的各元素含量;结合SPSS和ArcGIS 9.3软件的数据相关性、地统计学、空间分析等方法进行分析研究。[结果] 从相关系数来看

除Cr以外

其他4种重金属在研究区内均呈现正相关关系;土壤数据中Cr

As服从正态分布

Hg经对数转换后服从正态分布;通过元素的块金效应分析发现

元素Hg在研究区的空间相关性最弱。[结论] 河北省麻山药种植区土壤重金属含量与母质、土壤质地、有机质含量以及工业化、城市化和农村集约化程度密切相关。

Abstract

[Objective] To understand the spatial distribution of heavy metal concentrations in Dioscorea opposita Thunb. planted soils and the influences of soil properties and socio-economic factors on the heavy metal concentrations in order to selecte the priority areas for the D. opposita Thunb. platation.[Methods] Soil samples were collected using the grid sampling method

and the element concentrations were tested in laboratory

then the relationships of data was analyzed with geostatistics and spatial analysis methods in SPSS and ArcGIS 9.3.[Results] The four elements

except for Cr

showed a positive correlation with each other; Cr

Pb and As followed a normal distribution in the soil data and Cd

Hg followed a normal distribution after logarithmic conversion; Hg showed little spatial correlation according to the nugget effect analysis.[Conclusion] The heavy metal concentrations in the D. opposita Thunb. soils in Hebei Province were closely related to their parent material

soil texture

and organic matter contents and the degree of industrialization

urbanization and agricultural intensities of a city.

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references

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