Baseline of butyltin contamination in sediments of Sundarban mangrove wetland and adjacent coastal regions, India

B. Antizar-Ladislao, S. K. Sarkar, P. Anderson, T. Peshkur, B. D. Bhattacharya, M. Chatterjee, K. K. Satpathy

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13 Citations (Scopus)

Abstract

The study reports the first assessment for the quantification and speciation of butyltins (BTs) in surface marine sediment samples (0-5 cm) from intertidal mudflats of Sundarban mangrove wetland along with the Hugli (Ganges) river basin, eastern coastal part of India. Concentrations of tributyltin (TBT), dibutyltin (DBT) and monobutyltin (MBT) were monitored at 16 stations and present at all study areas, in concentrations in sediments up to 84.2, 26.4 and 48.0 ng g(-1) of TBT, DBT and MBT, respectively. Significant correlations were obtained between MBT and DBT (r = 0.62, p = 0.01) and DBT and TBT (r = 0.54, p = 0.03). Calculated BT degradation index (BDI) values indicated recent contamination of BTs at 8 stations, and suggested either no degradation of TBT or very recent degradation at a 4 further stations. Additionally, BDI values also indicated no recent inputs of BTs in 4 stations (only MBT present in one of these stations). High concentrations of BTs, particularly TBT, have the potential to induce ecotoxicological impacts based on levels specified in Australian Sediment Quality Guidelines (SQGs). This study indicated that the majority of the analyzed stations were in the highest range of priority, due to high TBT concentrations.
LanguageEnglish
Pages1975-1983
Number of pages9
JournalEcotoxicology
Volume20
Issue number8
DOIs
Publication statusPublished - Nov 2011

Fingerprint

butyltin
Wetlands
tributyltin
mangrove
India
Sediments
Contamination
wetland
sediment
Degradation
degradation
Geologic Sediments
mudflat
Rivers
Catchments
marine sediment
contamination
station
river basin
Guidelines

Keywords

  • biocides
  • sediments
  • butyltins
  • TBT
  • India
  • organotin compounds
  • tributyltin
  • growth
  • elements
  • sundarban
  • desorption behavior
  • estuarine sediments
  • west-coast
  • environment
  • baseline
  • butyltin contamination
  • Sundarban mangrove wetland
  • coastal regions

Cite this

Antizar-Ladislao, B., Sarkar, S. K., Anderson, P., Peshkur, T., Bhattacharya, B. D., Chatterjee, M., & Satpathy, K. K. (2011). Baseline of butyltin contamination in sediments of Sundarban mangrove wetland and adjacent coastal regions, India. Ecotoxicology , 20(8), 1975-1983. https://doi.org/10.1007/s10646-011-0739-5
Antizar-Ladislao, B. ; Sarkar, S. K. ; Anderson, P. ; Peshkur, T. ; Bhattacharya, B. D. ; Chatterjee, M. ; Satpathy, K. K. / Baseline of butyltin contamination in sediments of Sundarban mangrove wetland and adjacent coastal regions, India. In: Ecotoxicology . 2011 ; Vol. 20, No. 8. pp. 1975-1983.
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Antizar-Ladislao, B, Sarkar, SK, Anderson, P, Peshkur, T, Bhattacharya, BD, Chatterjee, M & Satpathy, KK 2011, 'Baseline of butyltin contamination in sediments of Sundarban mangrove wetland and adjacent coastal regions, India' Ecotoxicology , vol. 20, no. 8, pp. 1975-1983. https://doi.org/10.1007/s10646-011-0739-5

Baseline of butyltin contamination in sediments of Sundarban mangrove wetland and adjacent coastal regions, India. / Antizar-Ladislao, B.; Sarkar, S. K.; Anderson, P.; Peshkur, T.; Bhattacharya, B. D.; Chatterjee, M.; Satpathy, K. K.

In: Ecotoxicology , Vol. 20, No. 8, 11.2011, p. 1975-1983.

Research output: Contribution to journalArticle

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T1 - Baseline of butyltin contamination in sediments of Sundarban mangrove wetland and adjacent coastal regions, India

AU - Antizar-Ladislao, B.

AU - Sarkar, S. K.

AU - Anderson, P.

AU - Peshkur, T.

AU - Bhattacharya, B. D.

AU - Chatterjee, M.

AU - Satpathy, K. K.

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AB - The study reports the first assessment for the quantification and speciation of butyltins (BTs) in surface marine sediment samples (0-5 cm) from intertidal mudflats of Sundarban mangrove wetland along with the Hugli (Ganges) river basin, eastern coastal part of India. Concentrations of tributyltin (TBT), dibutyltin (DBT) and monobutyltin (MBT) were monitored at 16 stations and present at all study areas, in concentrations in sediments up to 84.2, 26.4 and 48.0 ng g(-1) of TBT, DBT and MBT, respectively. Significant correlations were obtained between MBT and DBT (r = 0.62, p = 0.01) and DBT and TBT (r = 0.54, p = 0.03). Calculated BT degradation index (BDI) values indicated recent contamination of BTs at 8 stations, and suggested either no degradation of TBT or very recent degradation at a 4 further stations. Additionally, BDI values also indicated no recent inputs of BTs in 4 stations (only MBT present in one of these stations). High concentrations of BTs, particularly TBT, have the potential to induce ecotoxicological impacts based on levels specified in Australian Sediment Quality Guidelines (SQGs). This study indicated that the majority of the analyzed stations were in the highest range of priority, due to high TBT concentrations.

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KW - sediments

KW - butyltins

KW - TBT

KW - India

KW - organotin compounds

KW - tributyltin

KW - growth

KW - elements

KW - sundarban

KW - desorption behavior

KW - estuarine sediments

KW - west-coast

KW - environment

KW - baseline

KW - butyltin contamination

KW - Sundarban mangrove wetland

KW - coastal regions

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DO - 10.1007/s10646-011-0739-5

M3 - Article

VL - 20

SP - 1975

EP - 1983

JO - Ecotoxicology

T2 - Ecotoxicology

JF - Ecotoxicology

SN - 0963-9292

IS - 8

ER -