Bioaccumulation of POPs and toxic elements in small cetaceans along European Atlantic coasts

Graham J. Pierce, Florence Caurant, Robin J. Law

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Results on persistent organic and toxic element concentrations in tissues of small cetaceans from five northeast Atlantic European coastal regions in 2001-03 are summarised. PCB concentrations in blubber frequently exceeded the threshold at which effects on reproduction might be expected, notably in harbour porpoises from the southern North Sea (reflecting high concentrations in prey) and common dolphins from France. Concentrations were often higher in males than females, as expected since females transfer lipophilic pollutants to their offspring during pregnancy and lactation. Highest concentrations were recorded in blubber of bottlenose dolphins. The regional distributions of PBDE and HBCD concentrations differed from that of PCBs. Mercury concentrations
in liver were generally below the threshold for toxic effects. Cadmium levels never exceed the threshold for toxic effects and were higher in species feeding more on cephalopods. While strandings data may result in samples biased towards animals in a poor state of health, dangerously high concentrations of PCBs were nonetheless frequently recorded in small cetacean blubber during
2001-03.
Original languageEnglish
Title of host publicationProceedings of the ECS/ASCOBANS/ACCOBAMS Joint Workshop on Chemical Pollution and Marine Mammals
EditorsPeter G.H. Evans
Place of PublicationIsle of Anglesey
PublisherECS
Pages72-84
Number of pages13
Publication statusPublished - Aug 2013
EventProceedings of the ECS/Ascobans/Accobams Joint Workshop: European Cetacean Society’s 25th Annual Conference - Cádiz, Spain
Duration: 20 Mar 201120 Mar 2011
http://www.crru.org.uk/cust_images/pdfs/tetley_etal_ECS2011.pdf

Publication series

NameECS Special Publication Series
PublisherEuropean Cetacean Society
Number55

Conference

ConferenceProceedings of the ECS/Ascobans/Accobams Joint Workshop
CountrySpain
CityCádiz
Period20/03/1120/03/11
Internet address

Fingerprint

cetacean
bioaccumulation
PCB
dolphin
coast
stranding
porpoise
lactation
PBDE
cephalopod
pregnancy
harbor
cadmium
pollutant
animal
persistent organic pollutant
toxic effect

Cite this

Pierce, G. J., Caurant, F., & Law, R. J. (2013). Bioaccumulation of POPs and toxic elements in small cetaceans along European Atlantic coasts. In P. G. H. Evans (Ed.), Proceedings of the ECS/ASCOBANS/ACCOBAMS Joint Workshop on Chemical Pollution and Marine Mammals (pp. 72-84). (ECS Special Publication Series ; No. 55). Isle of Anglesey: ECS.

Bioaccumulation of POPs and toxic elements in small cetaceans along European Atlantic coasts. / Pierce, Graham J.; Caurant, Florence; Law, Robin J.

Proceedings of the ECS/ASCOBANS/ACCOBAMS Joint Workshop on Chemical Pollution and Marine Mammals. ed. / Peter G.H. Evans. Isle of Anglesey : ECS, 2013. p. 72-84 (ECS Special Publication Series ; No. 55).

Research output: Chapter in Book/Report/Conference proceedingChapter

Pierce, GJ, Caurant, F & Law, RJ 2013, Bioaccumulation of POPs and toxic elements in small cetaceans along European Atlantic coasts. in PGH Evans (ed.), Proceedings of the ECS/ASCOBANS/ACCOBAMS Joint Workshop on Chemical Pollution and Marine Mammals. ECS Special Publication Series , no. 55, ECS, Isle of Anglesey, pp. 72-84, Proceedings of the ECS/Ascobans/Accobams Joint Workshop, Cádiz, Spain, 20/03/11.
Pierce GJ, Caurant F, Law RJ. Bioaccumulation of POPs and toxic elements in small cetaceans along European Atlantic coasts. In Evans PGH, editor, Proceedings of the ECS/ASCOBANS/ACCOBAMS Joint Workshop on Chemical Pollution and Marine Mammals. Isle of Anglesey: ECS. 2013. p. 72-84. (ECS Special Publication Series ; 55).
Pierce, Graham J. ; Caurant, Florence ; Law, Robin J. / Bioaccumulation of POPs and toxic elements in small cetaceans along European Atlantic coasts. Proceedings of the ECS/ASCOBANS/ACCOBAMS Joint Workshop on Chemical Pollution and Marine Mammals. editor / Peter G.H. Evans. Isle of Anglesey : ECS, 2013. pp. 72-84 (ECS Special Publication Series ; 55).
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abstract = "Results on persistent organic and toxic element concentrations in tissues of small cetaceans from five northeast Atlantic European coastal regions in 2001-03 are summarised. PCB concentrations in blubber frequently exceeded the threshold at which effects on reproduction might be expected, notably in harbour porpoises from the southern North Sea (reflecting high concentrations in prey) and common dolphins from France. Concentrations were often higher in males than females, as expected since females transfer lipophilic pollutants to their offspring during pregnancy and lactation. Highest concentrations were recorded in blubber of bottlenose dolphins. The regional distributions of PBDE and HBCD concentrations differed from that of PCBs. Mercury concentrationsin liver were generally below the threshold for toxic effects. Cadmium levels never exceed the threshold for toxic effects and were higher in species feeding more on cephalopods. While strandings data may result in samples biased towards animals in a poor state of health, dangerously high concentrations of PCBs were nonetheless frequently recorded in small cetacean blubber during2001-03.",
author = "Pierce, {Graham J.} and Florence Caurant and Law, {Robin J.}",
note = "ACKNOWLEDGEMENTS The results presented here derive from data collected during the EC-funded BIOCET project (Bioaccumulation of persistent organic pollutants in small cetaceans in European waters: transport pathways and impact on reproduction, EVK3-CT-2000-00027. As such they represent the work of a large team of project members and collaborators, including: Bego{\~n}a Santos, Jennifer Learmonth, Jamie Banks, Sarah Bannon, Fiona Read, Gabrielle Stowasser, Jianjun Wang, Lindsay Brown, Bill Edwards (University of Aberdeen, Aberdeen, UK); Emer Rogan, Sinead Murphy (University College, Cork, Ireland); Vincent Ridoux, Paco Bustamante, Virginie Lahaye, Willy Dabin, Olivier Van Canneyt, Laureline Meynier, J{\'e}r{\^o}me Spitz, Ghislain Dor{\'e}mus, Cecile Vincent (University of La Rochelle / CRMM, France); Marjan Addink, Chris Smeenk, Manuel Garc{\'i}a-Hartmann (National Museum of Natural History, Leiden, The Netherlands); Jan Boon, Bart Zegers, Anchelique Mets (Netherlands Institute of Sea Research, The Netherlands); Angel Gonz{\'a}lez, Angel Guerra, Maria Teresa Fernandez, Camino Gestal (Instituto de Investigaciones Marinas, Vigo, Spain); Alain Zuur (Highland Statistics, UK); Colin Moffat (FRS Marine Laboratory, Aberdeen, UK); Christina Lockyer (Age Dynamics, Denmark); Bob Reid, Tony Patterson (SAC Veterinary Science Division, UK); Alfredo L{\'o}pez, Josep Alonso (CEMMA, Spain) and other members of CEMMA; members of the Irish Whale and Dolphin Group; Thierry Jauniaux, Jean-Marie Bouquegneau (University of Li{\`e}ge, Belgium); Claude Joiris, Ludo Holsbeek (Free University of Belgium); and Paul Jepson (Institute of Zoology, London, UK).",
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AB - Results on persistent organic and toxic element concentrations in tissues of small cetaceans from five northeast Atlantic European coastal regions in 2001-03 are summarised. PCB concentrations in blubber frequently exceeded the threshold at which effects on reproduction might be expected, notably in harbour porpoises from the southern North Sea (reflecting high concentrations in prey) and common dolphins from France. Concentrations were often higher in males than females, as expected since females transfer lipophilic pollutants to their offspring during pregnancy and lactation. Highest concentrations were recorded in blubber of bottlenose dolphins. The regional distributions of PBDE and HBCD concentrations differed from that of PCBs. Mercury concentrationsin liver were generally below the threshold for toxic effects. Cadmium levels never exceed the threshold for toxic effects and were higher in species feeding more on cephalopods. While strandings data may result in samples biased towards animals in a poor state of health, dangerously high concentrations of PCBs were nonetheless frequently recorded in small cetacean blubber during2001-03.

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