[1]仵 芳,卢晓旭,周枭潇,等.樱桃河边沿菜地蔬菜食用健康安全风险分析[J].南京师范大学学报(自然科学版),2019,42(02):122-128.[doi:10.3969/j.issn.1001-4616.2019.02.020]
 Wu Fang,Lu Xiaoxu,Zhou Xiaoxiao,et al.Analysis of Potential Risks to Human Health of the Vegetables Planted at Bank Side of Yingtao River[J].Journal of Nanjing Normal University(Natural Science Edition),2019,42(02):122-128.[doi:10.3969/j.issn.1001-4616.2019.02.020]
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樱桃河边沿菜地蔬菜食用健康安全风险分析
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《南京师范大学学报》(自然科学版)[ISSN:1001-4616/CN:32-1239/N]

卷:
第42卷
期数:
2019年02期
页码:
122-128
栏目:
·地理学·
出版日期:
2019-06-30

文章信息/Info

Title:
Analysis of Potential Risks to Human Health of the Vegetables Planted at Bank Side of Yingtao River
文章编号:
1001-4616(2019)02-0122-07
作者:
仵 芳1卢晓旭2周枭潇1彭双双1
(1.华东师范大学地理科学学院,上海 200241) (2.华东师范大学教师教育学院,上海 200062)
Author(s):
Wu Fang1Lu Xiaoxu2Zhou Xiaoxiao1Peng Shuangshuang1
(1.School of Geographic Sciences,East China Normal University,Shanghai 200241,China) (2.College of Teacher Education,East China Normal University,Shanghai 200062,China)
关键词:
重金属土壤污染樱桃河菜地潜在生态危害健康安全风险
Keywords:
heavy metalsoil pollutionYingtao Rivervegetable fieldpotential ecological hazardhealth and safety risk
分类号:
X53,K903
DOI:
10.3969/j.issn.1001-4616.2019.02.020
文献标志码:
A
摘要:
以上海市闵行区紫龙路段樱桃河边沿菜地为研究对象,采集表层土壤(0~20 cm)并测定Cu、Zn、Pb、Cr、Ni、Cd 6种重金属元素含量,依据上海市土壤重金属环境背景值、《土壤环境质量农用地土壤污染风险管控标准》(GB 15618—2018),对该菜地健康安全风险进行了评估. 结果发现:(1)菜地土壤中Cd、Pb、Zn含量高出上海市土壤重金属环境背景值,其中Cd、Zn的含量超过农用地土壤污染风险筛选值,Cd含量还超过了土壤污染风险管控值;(2)地累积指数法分析发现,Cd为强污染,Zn为中等污染,Pb为轻-中等污染;(3)潜在生态危害指数法评价显示,Cd元素构成极强生态危害; 综合潜在生态危害指数法评价显示,菜地存在强生态危害,产生强生态危害的主要重金属为Cd,其贡献率为97.05%. 可见,食用樱桃河边沿菜地所种蔬菜存在健康安全风险,建议闵行区相关职能部门加强宣传和管理,居民也应主动放弃在此开发和种食蔬菜的行为. 全国各地的城市管理者和市民应警惕城市土地用于农业生产而带来的健康安全风险.
Abstract:
The riparian land of Yingtao River beside Zilong road which is in Minhang District of Shanghai was developed by residents around to plant vegetables. Mixed soil samples were collected from these fields and the concentrations of Cu,Zn,Pb,Cr,Ni and Cd were measured. According to the values for soil background of heavy metals in Shanghai,and Soil Environmental Quality Risk Control Standard for Soil Contamination of Agricultrual Land(GB 15618-2018),it was found that the contents of Cd,Pb and Zn in vegetable soil were higher than the values for soil background in Shanghai,while the contents of Cd and Zn exceeded the risk screening values for soil contamination of agricultural land and the content of Cd also exceeded the risk intervention values for soil contamination of agricultural land. With the method of Geo-accumulation Index(Igeo)based on the values for soil background of heavy metals in Shanghai,the results showed that the soil had been polluted by Cd,Zn and Pb. Classified by Igeo,Cd was strong level pollution,Zn was medium level pollution and Pb was light-medium level pollution. Evaluated by potential ecological risk index(Er),Cd would pose extremely strong ecological hazard,and the others may pose slight ecological hazard. With a variety of heavy metal comprehensive ecological risk index(RI)to measure,vegetable fields had strong ecological hazards and the important hazards come from Cd which contributes 97.05% hazards. In conclusion,eating vegetables from riparian land of Yingtao River may pose health and safety risk. It is suggested that relevant departments of Minhang District should conduct propaganda and advice residents not to plant vegetables in the field,and the residents should also voluntarily abandon the practice of developing the riparian land of Yingtao River. Furthermore,managers and citizens all over the country should be alert to the health and safety risks brought by the use of urban land for agricultural production.

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备注/Memo

备注/Memo:
收稿日期:2018-11-05.
基金项目:国家自然科学基金重点项目(41430635)、上海市地理教育教学研究基地项目(SHGE2015A04)、华东师范大学重点教学改革项目(40400-511232-90101)、华东师范大学研究生方法类课程建设项目(40600-511232-14203).
通讯联系人:卢晓旭,博士,副教授,研究方向:地理教育. E-mail:greenism@163.com
更新日期/Last Update: 2019-06-30