Trophic ecology drives trace element concentrations in the Antarctic octopod community
International audience Despite the Antarctic Ocean being considered a pristine environment, elevated trace element concentrations have been reported in many marine organisms. The Antarctic Ocean is particularly vulnerable to climate change, which can also affect the bioaccumulation of trace element...
Published in: | Science of The Total Environment |
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2021
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Online Access: | https://doi.org/10.1016/j.scitotenv.2020.144373 https://hal.archives-ouvertes.fr/hal-03126737/file/Lischka%20et%20al%202021%20STOTEN.pdf https://hal.archives-ouvertes.fr/hal-03126737 |
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fttriple:oai:gotriple.eu:10670/1.s772z4 2023-05-15T13:57:26+02:00 Trophic ecology drives trace element concentrations in the Antarctic octopod community Lischka, Alexandra Bustamante, Paco Braid, H. Piatkowski, Uwe Lacoue-Labarthe, T. Auckland University of Technology (AUT) LIttoral ENvironnement et Sociétés - UMRi 7266 (LIENSs) Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS) Institut Universitaire de France (IUF) Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.) Helmholtz Centre for Ocean Research Kiel (GEOMAR) 2021-05-01 https://doi.org/10.1016/j.scitotenv.2020.144373 https://hal.archives-ouvertes.fr/hal-03126737/file/Lischka%20et%20al%202021%20STOTEN.pdf https://hal.archives-ouvertes.fr/hal-03126737 en eng HAL CCSD Elsevier hal-03126737 doi:10.1016/j.scitotenv.2020.144373 10670/1.s772z4 https://hal.archives-ouvertes.fr/hal-03126737/file/Lischka%20et%20al%202021%20STOTEN.pdf https://hal.archives-ouvertes.fr/hal-03126737 Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 0048-9697 EISSN: 1879-1026 Science of the Total Environment Science of the Total Environment, Elsevier, 2021, 768, pp.144373. ⟨10.1016/j.scitotenv.2020.144373⟩ Cephalopods Cd Hg Southern Ocean Antarctica Stable Isotopes geo envir Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2021 fttriple https://doi.org/10.1016/j.scitotenv.2020.144373 2023-01-22T17:01:30Z International audience Despite the Antarctic Ocean being considered a pristine environment, elevated trace element concentrations have been reported in many marine organisms. The Antarctic Ocean is particularly vulnerable to climate change, which can also affect the bioaccumulation of trace element concentrations in biota. While Antarctic octopods are key components of the regional food webs as prey for a variety of predators (e.g., seals, fish, and seabirds), their contamination state by trace elements remains largely unknown. This study investigated the trace element concentrations in relation to the trophic ecology in Antarctic octopods. Stable isotope values (δ13C and δ15N) and trace element concentrations (Ag, As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Se, V, and Zn) were measured in eight different species (Adelieledone polymorpha, Pareledone aequipapillae, P. albimaculata, P. aurata, P. charcoti, P. cornuta, P. felix, and P. turqueti) sampled near Elephant Island, close to the Antarctic Peninsula. Stable isotopes of δ15N varied among species, with significant differences between A. polymorpha and P. aurata suggesting potential niche segregation. Trace element concentrations also differed among species and with sampling depth, which likely reflects their trophic ecology. The data presented in this study provides the first insight into the trace element concentrations for these endemic octopods in this vulnerable habitat and their stable isotope values. Article in Journal/Newspaper Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Antarctica Elephant Island Southern Ocean Unknown Antarctic Antarctic Ocean Antarctic Peninsula Elephant Island ENVELOPE(-55.184,-55.184,-61.085,-61.085) Southern Ocean The Antarctic Science of The Total Environment 768 144373 |
institution |
Open Polar |
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fttriple |
language |
English |
topic |
Cephalopods Cd Hg Southern Ocean Antarctica Stable Isotopes geo envir |
spellingShingle |
Cephalopods Cd Hg Southern Ocean Antarctica Stable Isotopes geo envir Lischka, Alexandra Bustamante, Paco Braid, H. Piatkowski, Uwe Lacoue-Labarthe, T. Trophic ecology drives trace element concentrations in the Antarctic octopod community |
topic_facet |
Cephalopods Cd Hg Southern Ocean Antarctica Stable Isotopes geo envir |
description |
International audience Despite the Antarctic Ocean being considered a pristine environment, elevated trace element concentrations have been reported in many marine organisms. The Antarctic Ocean is particularly vulnerable to climate change, which can also affect the bioaccumulation of trace element concentrations in biota. While Antarctic octopods are key components of the regional food webs as prey for a variety of predators (e.g., seals, fish, and seabirds), their contamination state by trace elements remains largely unknown. This study investigated the trace element concentrations in relation to the trophic ecology in Antarctic octopods. Stable isotope values (δ13C and δ15N) and trace element concentrations (Ag, As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Se, V, and Zn) were measured in eight different species (Adelieledone polymorpha, Pareledone aequipapillae, P. albimaculata, P. aurata, P. charcoti, P. cornuta, P. felix, and P. turqueti) sampled near Elephant Island, close to the Antarctic Peninsula. Stable isotopes of δ15N varied among species, with significant differences between A. polymorpha and P. aurata suggesting potential niche segregation. Trace element concentrations also differed among species and with sampling depth, which likely reflects their trophic ecology. The data presented in this study provides the first insight into the trace element concentrations for these endemic octopods in this vulnerable habitat and their stable isotope values. |
author2 |
Auckland University of Technology (AUT) LIttoral ENvironnement et Sociétés - UMRi 7266 (LIENSs) Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS) Institut Universitaire de France (IUF) Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.) Helmholtz Centre for Ocean Research Kiel (GEOMAR) |
format |
Article in Journal/Newspaper |
author |
Lischka, Alexandra Bustamante, Paco Braid, H. Piatkowski, Uwe Lacoue-Labarthe, T. |
author_facet |
Lischka, Alexandra Bustamante, Paco Braid, H. Piatkowski, Uwe Lacoue-Labarthe, T. |
author_sort |
Lischka, Alexandra |
title |
Trophic ecology drives trace element concentrations in the Antarctic octopod community |
title_short |
Trophic ecology drives trace element concentrations in the Antarctic octopod community |
title_full |
Trophic ecology drives trace element concentrations in the Antarctic octopod community |
title_fullStr |
Trophic ecology drives trace element concentrations in the Antarctic octopod community |
title_full_unstemmed |
Trophic ecology drives trace element concentrations in the Antarctic octopod community |
title_sort |
trophic ecology drives trace element concentrations in the antarctic octopod community |
publisher |
HAL CCSD |
publishDate |
2021 |
url |
https://doi.org/10.1016/j.scitotenv.2020.144373 https://hal.archives-ouvertes.fr/hal-03126737/file/Lischka%20et%20al%202021%20STOTEN.pdf https://hal.archives-ouvertes.fr/hal-03126737 |
long_lat |
ENVELOPE(-55.184,-55.184,-61.085,-61.085) |
geographic |
Antarctic Antarctic Ocean Antarctic Peninsula Elephant Island Southern Ocean The Antarctic |
geographic_facet |
Antarctic Antarctic Ocean Antarctic Peninsula Elephant Island Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Antarctica Elephant Island Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Antarctica Elephant Island Southern Ocean |
op_source |
Hyper Article en Ligne - Sciences de l'Homme et de la Société ISSN: 0048-9697 EISSN: 1879-1026 Science of the Total Environment Science of the Total Environment, Elsevier, 2021, 768, pp.144373. ⟨10.1016/j.scitotenv.2020.144373⟩ |
op_relation |
hal-03126737 doi:10.1016/j.scitotenv.2020.144373 10670/1.s772z4 https://hal.archives-ouvertes.fr/hal-03126737/file/Lischka%20et%20al%202021%20STOTEN.pdf https://hal.archives-ouvertes.fr/hal-03126737 |
op_doi |
https://doi.org/10.1016/j.scitotenv.2020.144373 |
container_title |
Science of The Total Environment |
container_volume |
768 |
container_start_page |
144373 |
_version_ |
1766265111991812096 |