Bioaccumulation and enantiomeric profiling of organochlorine pesticides and persistent organic pollutants in the killer whale (Orcinus orca) from British and Irish waters

Brendan McHugh; Robin J. Law; Colin R. Allchin; Emer Rogan; Sinead Murphy; M. Barry Foley; Denise Glynn; Evin McGovern

doi:10.1016/j.marpolbul.2007.07.004

Bioaccumulation and enantiomeric profiling of organochlorine pesticides and persistent organic pollutants in the killer whale (Orcinus orca) from British and Irish waters

Brendan McHugh, Robin J. Law, Colin R. Allchin, Emer Rogan, Sinead Murphy, M. Barry Foley, Denise Glynn, Evin McGovern

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

Concentrations and enantiomeric profiles for a range of organochlorine compounds are reported in blubber samples from a number of individual killer whales (Orcinus orca) from British and Irish waters. Elevated contaminant levels and enriched isotopic ratios were determined in one individual whale sampled in the Scottish Western Isles compared to the others suggesting marine mammal based dietary influences. The potential application of isotopic ratios to model contaminant uptake, enantioselective enrichment and accumulation is demonstrated. Data are presented which provide information on enantioselective enrichment factors (EFs) for o,p′-DDT, α-HCH and toxaphene congeners CHB26 and CHB 50. This dataset further improves the current database on reported levels of a number of contaminants and provides additional background information on potential metabolic processes in killer whales from British and Irish waters.

Original language	English
Pages (from-to)	1724-1731
Number of pages	8
Journal	Marine Pollution Bulletin
Volume	54
Issue number	11
DOIs	https://doi.org/10.1016/j.marpolbul.2007.07.004
Publication status	Published - Nov 2007
Externally published	Yes

Keywords

Isotope ratios
Killer whale
Organochlorine
Persistent pollutant

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.marpolbul.2007.07.004

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McHugh, B., Law, R. J., Allchin, C. R., Rogan, E., Murphy, S., Foley, M. B., Glynn, D., & McGovern, E. (2007). Bioaccumulation and enantiomeric profiling of organochlorine pesticides and persistent organic pollutants in the killer whale (Orcinus orca) from British and Irish waters. Marine Pollution Bulletin, 54(11), 1724-1731. https://doi.org/10.1016/j.marpolbul.2007.07.004

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abstract = "Concentrations and enantiomeric profiles for a range of organochlorine compounds are reported in blubber samples from a number of individual killer whales (Orcinus orca) from British and Irish waters. Elevated contaminant levels and enriched isotopic ratios were determined in one individual whale sampled in the Scottish Western Isles compared to the others suggesting marine mammal based dietary influences. The potential application of isotopic ratios to model contaminant uptake, enantioselective enrichment and accumulation is demonstrated. Data are presented which provide information on enantioselective enrichment factors (EFs) for o,p′-DDT, α-HCH and toxaphene congeners CHB26 and CHB 50. This dataset further improves the current database on reported levels of a number of contaminants and provides additional background information on potential metabolic processes in killer whales from British and Irish waters.",

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McHugh, B, Law, RJ, Allchin, CR, Rogan, E, Murphy, S, Foley, MB, Glynn, D & McGovern, E 2007, 'Bioaccumulation and enantiomeric profiling of organochlorine pesticides and persistent organic pollutants in the killer whale (Orcinus orca) from British and Irish waters', Marine Pollution Bulletin, vol. 54, no. 11, pp. 1724-1731. https://doi.org/10.1016/j.marpolbul.2007.07.004

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T1 - Bioaccumulation and enantiomeric profiling of organochlorine pesticides and persistent organic pollutants in the killer whale (Orcinus orca) from British and Irish waters

AU - McHugh, Brendan

AU - Law, Robin J.

AU - Allchin, Colin R.

AU - Rogan, Emer

AU - Murphy, Sinead

AU - Foley, M. Barry

AU - Glynn, Denise

AU - McGovern, Evin

PY - 2007/11

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AB - Concentrations and enantiomeric profiles for a range of organochlorine compounds are reported in blubber samples from a number of individual killer whales (Orcinus orca) from British and Irish waters. Elevated contaminant levels and enriched isotopic ratios were determined in one individual whale sampled in the Scottish Western Isles compared to the others suggesting marine mammal based dietary influences. The potential application of isotopic ratios to model contaminant uptake, enantioselective enrichment and accumulation is demonstrated. Data are presented which provide information on enantioselective enrichment factors (EFs) for o,p′-DDT, α-HCH and toxaphene congeners CHB26 and CHB 50. This dataset further improves the current database on reported levels of a number of contaminants and provides additional background information on potential metabolic processes in killer whales from British and Irish waters.

KW - Isotope ratios

KW - Killer whale

KW - Organochlorine

KW - Persistent pollutant

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SN - 0025-326X

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Bioaccumulation and enantiomeric profiling of organochlorine pesticides and persistent organic pollutants in the killer whale (Orcinus orca) from British and Irish waters

Abstract

Keywords

UN SDGs

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