Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

LIAO Fuqiang; ZHOU Shenglu; ZHANG Hongfu; WU Shaohua; ZHAO Qiguo

doi:10.1007/s11769-008-0276-1

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Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

LIAO Fuqiang, ZHOU Shenglu, ZHANG Hongfu, WU Shaohua, ZHAO Qiguo

文章导航 > Chinese Geographical Science > 2008 > 18(3): 276-283

LIAO Fuqiang, ZHOU Shenglu, ZHANG Hongfu, WU Shaohua, ZHAO Qiguo. Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China[J]. 中国地理科学, 2008, 18(3): 276-283. doi: 10.1007/s11769-008-0276-1

引用本文:

LIAO Fuqiang, ZHOU Shenglu, ZHANG Hongfu, WU Shaohua, ZHAO Qiguo. Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China[J]. Chinese Geographical Science, 2008, 18(3): 276-283. doi: 10.1007/s11769-008-0276-1

Citation:

LIAO Fuqiang, ZHOU Shenglu, ZHANG Hongfu, WU Shaohua, ZHAO Qiguo. Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China[J]. Chinese Geographical Science, 2008, 18(3): 276-283. doi: 10.1007/s11769-008-0276-1

Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

doi: 10.1007/s11769-008-0276-1

1.
School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China;
2.
School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China;
3.
Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

基金项目: Under the auspices of State Key Development Program for Basic Research of China (No. 2002CB410810)

详细信息

通讯作者:
ZHOU Shenglu. E-mail: zhousl@nju.edu.cn

Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

1.
School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China;
2.
School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China;
3.
Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

摘要: According to the historical changes of coastal lines, seven soil sampling districts, from land to sea, were arranged in Dongtai City, Jiangsu Province to sample soils from surface and profile. Concentrations of seven major heavy metals (HMs), granularity, pH, organic matters and C/N of the soil samples were analyzed. Results show that concentrations of heavy metals in agricultural land present a certain spatial variance, decreasing from land to sea. Pollution assessment indicates that the agricultural soils were not polluted by HMs, but the potential pollution of Cu and Hg needs to be alerted. Different HMs accumulate in the surface and sub-surface of the soil profiles, and concentrations of Hg and Pb decrease significantly with the increment of soil depth. Concentrations of HMs exhibit a significantly negative correlation to pH, but have no significant relation with organic matters in soil. Principle component analysis show that the concentrations of HMs relate to the land use history. Concentrations of Hg, Ni and Cr in soil are closely related with land use history, and concentrations of Pb, Cu and Cr are affected by land use history as well as other factors. However, there is no significant relation between concentration of As and land use history.
- coastal zone /
- agriculture land /
- heavy metal /
- land use history
Abstract: According to the historical changes of coastal lines, seven soil sampling districts, from land to sea, were arranged in Dongtai City, Jiangsu Province to sample soils from surface and profile. Concentrations of seven major heavy metals (HMs), granularity, pH, organic matters and C/N of the soil samples were analyzed. Results show that concentrations of heavy metals in agricultural land present a certain spatial variance, decreasing from land to sea. Pollution assessment indicates that the agricultural soils were not polluted by HMs, but the potential pollution of Cu and Hg needs to be alerted. Different HMs accumulate in the surface and sub-surface of the soil profiles, and concentrations of Hg and Pb decrease significantly with the increment of soil depth. Concentrations of HMs exhibit a significantly negative correlation to pH, but have no significant relation with organic matters in soil. Principle component analysis show that the concentrations of HMs relate to the land use history. Concentrations of Hg, Ni and Cr in soil are closely related with land use history, and concentrations of Pb, Cu and Cr are affected by land use history as well as other factors. However, there is no significant relation between concentration of As and land use history.
- coastal zone /
- agriculture land /
- heavy metal /
- land use history

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Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

doi: 10.1007/s11769-008-0276-1

1. School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China;

2. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China;

3. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

基金项目: Under the auspices of State Key Development Program for Basic Research of China (No. 2002CB410810)

通讯作者: ZHOU Shenglu. E-mail: zhousl@nju.edu.cn

收稿日期: 2008-01-18
修回日期: 2008-05-25
刊出日期: 2008-09-20

关键词:

coastal zone /

agriculture land /

heavy metal /

land use history

摘要: According to the historical changes of coastal lines, seven soil sampling districts, from land to sea, were arranged in Dongtai City, Jiangsu Province to sample soils from surface and profile. Concentrations of seven major heavy metals (HMs), granularity, pH, organic matters and C/N of the soil samples were analyzed. Results show that concentrations of heavy metals in agricultural land present a certain spatial variance, decreasing from land to sea. Pollution assessment indicates that the agricultural soils were not polluted by HMs, but the potential pollution of Cu and Hg needs to be alerted. Different HMs accumulate in the surface and sub-surface of the soil profiles, and concentrations of Hg and Pb decrease significantly with the increment of soil depth. Concentrations of HMs exhibit a significantly negative correlation to pH, but have no significant relation with organic matters in soil. Principle component analysis show that the concentrations of HMs relate to the land use history. Concentrations of Hg, Ni and Cr in soil are closely related with land use history, and concentrations of Pb, Cu and Cr are affected by land use history as well as other factors. However, there is no significant relation between concentration of As and land use history.

English Abstract

Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

1. School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China;

2. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China;

3. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

Received Date: 2008-01-18
Rev Recd Date: 2008-05-25
Publish Date: 2008-09-20

Keywords:

Abstract: According to the historical changes of coastal lines, seven soil sampling districts, from land to sea, were arranged in Dongtai City, Jiangsu Province to sample soils from surface and profile. Concentrations of seven major heavy metals (HMs), granularity, pH, organic matters and C/N of the soil samples were analyzed. Results show that concentrations of heavy metals in agricultural land present a certain spatial variance, decreasing from land to sea. Pollution assessment indicates that the agricultural soils were not polluted by HMs, but the potential pollution of Cu and Hg needs to be alerted. Different HMs accumulate in the surface and sub-surface of the soil profiles, and concentrations of Hg and Pb decrease significantly with the increment of soil depth. Concentrations of HMs exhibit a significantly negative correlation to pH, but have no significant relation with organic matters in soil. Principle component analysis show that the concentrations of HMs relate to the land use history. Concentrations of Hg, Ni and Cr in soil are closely related with land use history, and concentrations of Pb, Cu and Cr are affected by land use history as well as other factors. However, there is no significant relation between concentration of As and land use history.

引用本文:

LIAO Fuqiang, ZHOU Shenglu, ZHANG Hongfu, WU Shaohua, ZHAO Qiguo. Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China[J]. Chinese Geographical Science, 2008, 18(3): 276-283. doi: 10.1007/s11769-008-0276-1

Citation:

LIAO Fuqiang, ZHOU Shenglu, ZHANG Hongfu, WU Shaohua, ZHAO Qiguo. Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China[J]. Chinese Geographical Science, 2008, 18(3): 276-283. doi: 10.1007/s11769-008-0276-1

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Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

doi: 10.1007/s11769-008-0276-1

通讯作者: ZHOU Shenglu. E-mail: zhousl@nju.edu.cn

Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

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Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

doi: 10.1007/s11769-008-0276-1

1. School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China; 2. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China; 3. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

通讯作者: ZHOU Shenglu. E-mail: zhousl@nju.edu.cn

English Abstract

Spatial Distribution and Changes of Heavy Metals of Agricultural Lands in Typical Pregrading Coast in Dongtai City, Jiangsu Province, China

1. School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China; 2. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China; 3. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

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目录

通讯作者:
ZHOU Shenglu. E-mail: zhousl@nju.edu.cn

1. School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China;

2. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China;

3. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

1. School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China;

2. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China;

3. Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China