Comparative study of heavy metals in selected mangroves of Sundarban ecosystem, India

Anirban Akhand*, Abhra Chanda, Sachinandan Dutta, Sugata Hazra, Pranabes Sanyal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


Accumulation and partitioning of eight heavy metals Cr, Pb, Zn, Cd, Ni, Cu, Co and Fe were studied in the root, stem and leaf of mangrove species {Sonneratla caseolaris. Acanthus ilicifolius and Excoecaha agalhcha) for comparison and in mangrove sediments for calculation of bio concentration factor (BFC) in Sundarban India. Magnitudeof Fe was found highest in the sediments (3537171 mg kg-1) and plant parts of the three species (a maximum of 11428.0 mg kg-1 in the root of S. caseolaris). For other heavy metals, plants showed exclusion and selection mainly based on utilization, regardless of their level inthe sediments. In most of the cases significant variation of absorption was found between the three species (F=11.48 to 157.37; p<.001) and between their plant parts (F-10 98 to 338.03; p<0.001). S. caseolaris was found to be a less potential heavy metal accumulator than the other two species, except lor Fe and Zn in the root. Irrespective of the magnitude of the heavy metals, otherspedes showed significant correlations (r = 0.509to 0 961; p<0 001) between heavy metal accumulations, exclusively due to chemical reason, whereas S. caseolaris showed significant correlations (r=0.554 to 0.926; p<0.001) between each and every heavy metal, which signifies similar mode of absorption pattern regardless oftheir utilization. This nonbiased manner of heavy metal accumulation pattern may help the species to withstand in the polluted areas.

Original languageEnglish
Pages (from-to)1045-1049
Number of pages5
JournalJournal of Environmental Biology
Issue number6
Publication statusPublished - Nov 2012


  • Absorption
  • Heavy metals
  • Mangroves
  • Sundarban ecosystem

ASJC Scopus subject areas

  • Environmental Engineering
  • Toxicology
  • Health, Toxicology and Mutagenesis


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