北方农业学报 ›› 2017, Vol. 45 ›› Issue (4): 68-68.

• 植物保护·农业生态环境·农业气象 • 上一篇    下一篇

基于地累积和生态风险指数法评价索尔奇湿地公园土壤重金属污染状况

缐东红[1];缐春媚[2]   

  1. [1]阿荣旗农产品质量安全检验检测站,内蒙古阿荣旗162750;[2]阿荣旗农业技术推广中心,内蒙古阿荣旗162750
  • 出版日期:2017-08-20 发布日期:2017-08-20
  • 通讯作者: 缐东红
  • 作者简介:缐东红(1963-),男,助理农艺师,学士,主要从事土壤、农残检测及分析的研究工作。;通讯作者:缐春媚(1989-),女,助理农艺师,硕士,主要从事农业技术推广的研究工作。

Based on the land accumulation and ecological risk index method evaluating heavy metal pollution situation of Sorci Wetland Park

  • Online:2017-08-20 Published:2017-08-20

摘要: 监测土壤重金属污染程度是湿地保护工作的重要内容,文章对索尔奇湿地公园20个土壤样品中重金属含量进行了测定,采用地累积污染指数法和Hakanson潜在生态危害指数法分析了该公园重金属含量及污染状况,为该公园生态保护的决策提供了科学依据。索尔奇湿地公园土壤pH值及重金属含量检测结果显示:该研究地区土壤pH值为4.85~6.12,土壤重金属元素的含量范围分别是Pb0.41~5.05mg/kg,Zn0.53~2.66mg/kg,Cu0.83~3.46mg/kg,Cd0.127~0.221mg/kg,As1.60~8.70mg/kg,Hg0.029~0.130mg/kg,Cr60.00~284.50mg/kg;重金属元素Pb、Zn、Cu、Cd、As、Hg、Cr含量的平均值分别为1.80mg/kg、1.52mg/kg、1.72mg/kg、0.177mg/kg、5.30mg/kg、0.087mg/kg、170.70mg/kg;单项重金属Pb、Zn、Cu、Cd、As、Hg和Cr潜在生态风险指数E<40为低度污染,综合7种元素的潜在生态危害指数RI<150,为低度污染。

Abstract: Monitoring the soil heavy metal pollution degree is an important part of the wetland protection work.20 soil samples in the Sorci wetland park were tested,through the determination results,using cumulative pollution index method and Hakanson potential ecological harm index method the heavy metal content and the status of the pollution were analyzed,for the Sorci wetland park ecological protection decision providing scientific basis.The testing result of pH value and heavy metal content in the soil of Sorci wetland park showed that soil pH value between 4.86 and 6.12,the scope of soil heavy metal element content respectively were Pb 0.41~5.05 mg/kg,Zn 0.53~2.66 mg/kg,Cu 0.83~3.46 mg/kg,Cd 0.127~0.221 mg/kg,As 1.6~8.7 mg/kg,Hg 0.029~0.130 mg/kg,Cr 60.0~284.5 mg/kg in the study area.The average of heavy metal elements Pb,Zn,Cu,Cd,As,Hg,Cr respectively were 1.80 mg/kg,1.52 mg/kg,1.72 mg/kg,0.177 mg/kg,5.3 mg/kg,0.087 mg/kg,170.7 mg/kg.Potential ecological risk index of uniterm heavy metal elements value E under 40 belong to low grade pollution,comprehensive potential ecological harm index RI value under 150 of 7 kinds of elements,it was identified as low grade pollution.

中图分类号: 

  • X53