The accumulation of heavy metals in agricultural land and the associated potential ecological risks in Shenzhen, China
文献类型：期刊论文
| 作者 | Wu, Jiansheng1,2; Song, Jing3; Li, Weifeng3; Zheng, Maokun4
|
| 刊名 | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
 |
| 出版日期 | 2016 |
| 卷号 | 23期号:2页码:1428-1440 |
| 关键词 | Soil heavy metals Agricultural topsoil Potential ecological risk Principal component analysis Pollution sources Shenzhen, China |
| ISSN号 | 0944-1344 |
| 产权排序 | [Wu, Jiansheng] Peking Univ, Key Lab Urban Habitat Environm Sci & Technol, Sch Urban Planning & Design, Shenzhen Grad Sch, Shenzhen 518055, Guangdong, Peoples R China; [Wu, Jiansheng] Peking Univ, Lab Earth Surface Proc, Minist Educ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China; [Song, Jing; Li, Weifeng] Univ Hong Kong, Fac Architecture, Dept Urban Planning & Design, Hong Kong, Hong Kong, Peoples R China; [Zheng, Maokun] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China |
| 通讯作者 | Song, J (reprint author), Univ Hong Kong, Fac Architecture, Dept Urban Planning & Design, Hong Kong, Hong Kong, Peoples R China. songjing@hku.hk |
| 英文摘要 | Accumulation of heavy metals in agricultural land and their ecological risks are key issues in soil security studies. This study investigated the concentrations of six heavy metals-copper (Cu), zinc (Zn), lead (Pb), nickel (Ni), and chromium (Cr) in Shenzhen's agricultural lands and examined the potential hazards and possible sources of these metals. Eighty-two samples from agricultural topsoil were collected. Potential ecological risk index was used to calculate the potential risk of heavy metals. Principal component analysis (PCA) was applied to explore pollution sources of the metals. Finally, Kriging was used to predict the spatial distribution of the metals' potential ecological risks. The concentrations of the heavy metals were higher than their background values. Most of them presented little potential ecological risk, except for the heavy metal cadmium (Cd). Four districts (Longgang, Longhua, Pingshan, and Dapeng) exhibited some degree of potential risk, which tended to have more industries and road networks. Three major sources of heavy metals included geochemical processes, industrial pollutants, and traffic pollution. The heavy metal Cd was the main contributor to the pollution in agricultural land during the study period. It also poses the potential hazard for the future. High potential risk is closely related to industrial pollution and transportation. Since the 1980s, the sources of heavy metals have evolved from parent rock weathering, erosion, degradation of organics, and mineralization to human disturbances resulting in chemical changes in the soil. |
| 研究领域[WOS] | Environmental Sciences & Ecology |
| 关键词[WOS] | SPATIAL-DISTRIBUTION ; SOILS ; POLLUTION ; SEDIMENTS ; URBAN ; INDEX ; GEOSTATISTICS ; TOPSOILS ; SAMPLES ; CROPS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000368200200048 |
| 源URL | [http://ir.yic.ac.cn/handle/133337/9293]  |
| 专题 | 烟台海岸带研究所_中科院烟台海岸带研究所知识产出 |
| 作者单位 | 1.Peking Univ, Key Lab Urban Habitat Environm Sci & Technol, Sch Urban Planning & Design, Shenzhen Grad Sch, Shenzhen 518055, Guangdong, Peoples R China 2.Peking Univ, Lab Earth Surface Proc, Minist Educ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China 3.Univ Hong Kong, Fac Architecture, Dept Urban Planning & Design, Hong Kong, Hong Kong, Peoples R China 4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, Jiansheng,Song, Jing,Li, Weifeng,et al. The accumulation of heavy metals in agricultural land and the associated potential ecological risks in Shenzhen, China[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(2):1428-1440. |
| APA | Wu, Jiansheng,Song, Jing,Li, Weifeng,&Zheng, Maokun.(2016).The accumulation of heavy metals in agricultural land and the associated potential ecological risks in Shenzhen, China.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,23(2),1428-1440. |
| MLA | Wu, Jiansheng,et al."The accumulation of heavy metals in agricultural land and the associated potential ecological risks in Shenzhen, China".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 23.2(2016):1428-1440. |
入库方式： OAI收割
来源：烟台海岸带研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。