Volume 16, Issue 4 (3-2024)
ijhe 2024, 16(4): 607-628 |
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Zand Abbas Abadi A, Cheraghi M, Sobhanardakani S, Lorestani B, Kiani Sadr M. Evaluation of the capability of Robinia pseudoacacia and Pinus eldarica for bioremediation of heavy metals (Pb, Cr and Ni) in urban areas of Hamedan, west of Iran. ijhe 2024; 16 (4) :607-628
URL: http://ijhe.tums.ac.ir/article-1-6834-en.html
URL: http://ijhe.tums.ac.ir/article-1-6834-en.html
Alireza Zand Abbas Abadi1 
, Mehrdad Cheraghi * 2, Soheil Sobhanardakani1 , Bahareh Lorestani1 , Maryam Kiani Sadr1
, Mehrdad Cheraghi * 2, Soheil Sobhanardakani1 , Bahareh Lorestani1 , Maryam Kiani Sadr1
1- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
2- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran ,cheraghi@iauh.ac.ir
2- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran ,
Abstract: (481 Views)
Background and Objective: Monitoring of pollutants in urban ecosystems is of particular importance. Therefore, this study was conducted to evaluate the capability of Robinia pseudoacacia and Pinus elderica for biomonitoring of Pb, Cr and Ni in urban areas of Hamedan in 2023.
Materials and Methods: A total of 36 soils and 72 plant samples were collected from 12 sites. The contents of elements were determined using ICP-OES. Also, the values of PI, PLI, BAF, and CR indices were computed.
Results: The highest values of Pb, Cr, and Ni (mg/kg) in soil samples with 72.2, 67.5 and 101 values belonged to the commercial, industrial, and commercial sites, respectively. The highest average content of analyzed elements in unwashed and washed leaves/needles for Pb both belonged to the commercial areas; for Cr and Ni, all belonged to the industrial areas. The average values of PI followed the descending order of Cr > Ni > Pb. The average values of PLI varied from 1.22 to 1.34. Moreover, BAF values of Pb, Cr, and Ni of R. pseudoacacia leaves and P. elderica needles were found to be in the range of 0.100-1.00. Also, the highest mean values of CR of Pb and Cr were both found in P. elderica; and the highest mean value of CR of Ni was found in R. pseudoacacia.
Conclusion: R. pseudoacacia and P. elderica could be used as suitable and efficient species for monitoring and remediation of toxic elements from soil and air in polluted ecosystems.
Materials and Methods: A total of 36 soils and 72 plant samples were collected from 12 sites. The contents of elements were determined using ICP-OES. Also, the values of PI, PLI, BAF, and CR indices were computed.
Results: The highest values of Pb, Cr, and Ni (mg/kg) in soil samples with 72.2, 67.5 and 101 values belonged to the commercial, industrial, and commercial sites, respectively. The highest average content of analyzed elements in unwashed and washed leaves/needles for Pb both belonged to the commercial areas; for Cr and Ni, all belonged to the industrial areas. The average values of PI followed the descending order of Cr > Ni > Pb. The average values of PLI varied from 1.22 to 1.34. Moreover, BAF values of Pb, Cr, and Ni of R. pseudoacacia leaves and P. elderica needles were found to be in the range of 0.100-1.00. Also, the highest mean values of CR of Pb and Cr were both found in P. elderica; and the highest mean value of CR of Ni was found in R. pseudoacacia.
Conclusion: R. pseudoacacia and P. elderica could be used as suitable and efficient species for monitoring and remediation of toxic elements from soil and air in polluted ecosystems.
Type of Study: Research |
Subject:
General
Received: 2023/08/25 | Accepted: 2023/10/2 | Published: 2024/03/5
Received: 2023/08/25 | Accepted: 2023/10/2 | Published: 2024/03/5
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