Trophic ecology drives trace element concentrations in the Antarctic octopod community
Highlights: • Stable isotope values vary among species with Adelieledone polymorpha, having highest values. • Variations in trace element concentrations suggest different feeding ecology. • Antarctic incirrate octopods are likely vectors of As, Cd and Hg to their predators. • Sex influences Cd, Co,...
Published in: | Science of The Total Environment |
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Elsevier
2021
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Online Access: | https://oceanrep.geomar.de/id/eprint/51750/ https://oceanrep.geomar.de/id/eprint/51750/1/Lischka%20etal%20SciTotalEnvironm%20768%20-%202021%20heavy%20metals%20in%20Ant%20octopods.pdf https://oceanrep.geomar.de/id/eprint/51750/2/Lischka%20et%20al%202021%20STOTEN.pdf https://www.sciencedirect.com/science/article/abs/pii/S0048969720379043?via%3Dihub https://doi.org/10.1016/j.scitotenv.2020.144373 |
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ftoceanrep:oai:oceanrep.geomar.de:51750 2024-02-11T09:57:34+01:00 Trophic ecology drives trace element concentrations in the Antarctic octopod community Lischka, Alexandra Bustamante, P Braid, H Piatkowski, Uwe Lacoue-Labarthe, T. 2021-05-10 text https://oceanrep.geomar.de/id/eprint/51750/ https://oceanrep.geomar.de/id/eprint/51750/1/Lischka%20etal%20SciTotalEnvironm%20768%20-%202021%20heavy%20metals%20in%20Ant%20octopods.pdf https://oceanrep.geomar.de/id/eprint/51750/2/Lischka%20et%20al%202021%20STOTEN.pdf https://www.sciencedirect.com/science/article/abs/pii/S0048969720379043?via%3Dihub https://doi.org/10.1016/j.scitotenv.2020.144373 en eng Elsevier https://oceanrep.geomar.de/id/eprint/51750/1/Lischka%20etal%20SciTotalEnvironm%20768%20-%202021%20heavy%20metals%20in%20Ant%20octopods.pdf https://oceanrep.geomar.de/id/eprint/51750/2/Lischka%20et%20al%202021%20STOTEN.pdf Lischka, A. , Bustamante, P., Braid, H., Piatkowski, U. and Lacoue-Labarthe, T. (2021) Trophic ecology drives trace element concentrations in the Antarctic octopod community. Open Access Science of the Total Environment, 768 . Art.Nr. 144373. DOI 10.1016/j.scitotenv.2020.144373 <https://doi.org/10.1016/j.scitotenv.2020.144373>. doi:10.1016/j.scitotenv.2020.144373 cc_by_nc_nd_4.0 info:eu-repo/semantics/openAccess Article PeerReviewed 2021 ftoceanrep https://doi.org/10.1016/j.scitotenv.2020.144373 2024-01-15T00:22:57Z Highlights: • Stable isotope values vary among species with Adelieledone polymorpha, having highest values. • Variations in trace element concentrations suggest different feeding ecology. • Antarctic incirrate octopods are likely vectors of As, Cd and Hg to their predators. • Sex influences Cd, Co, Cu, Fe, Pb and Zn concentrations. 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 Elephant Island OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Antarctic The Antarctic Antarctic Peninsula Antarctic Ocean Elephant Island ENVELOPE(-55.184,-55.184,-61.085,-61.085) Science of The Total Environment 768 144373 |
institution |
Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
op_collection_id |
ftoceanrep |
language |
English |
description |
Highlights: • Stable isotope values vary among species with Adelieledone polymorpha, having highest values. • Variations in trace element concentrations suggest different feeding ecology. • Antarctic incirrate octopods are likely vectors of As, Cd and Hg to their predators. • Sex influences Cd, Co, Cu, Fe, Pb and Zn concentrations. 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 |
format |
Article in Journal/Newspaper |
author |
Lischka, Alexandra Bustamante, P Braid, H Piatkowski, Uwe Lacoue-Labarthe, T. |
spellingShingle |
Lischka, Alexandra Bustamante, P Braid, H Piatkowski, Uwe Lacoue-Labarthe, T. Trophic ecology drives trace element concentrations in the Antarctic octopod community |
author_facet |
Lischka, Alexandra Bustamante, P 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 |
Elsevier |
publishDate |
2021 |
url |
https://oceanrep.geomar.de/id/eprint/51750/ https://oceanrep.geomar.de/id/eprint/51750/1/Lischka%20etal%20SciTotalEnvironm%20768%20-%202021%20heavy%20metals%20in%20Ant%20octopods.pdf https://oceanrep.geomar.de/id/eprint/51750/2/Lischka%20et%20al%202021%20STOTEN.pdf https://www.sciencedirect.com/science/article/abs/pii/S0048969720379043?via%3Dihub https://doi.org/10.1016/j.scitotenv.2020.144373 |
long_lat |
ENVELOPE(-55.184,-55.184,-61.085,-61.085) |
geographic |
Antarctic The Antarctic Antarctic Peninsula Antarctic Ocean Elephant Island |
geographic_facet |
Antarctic The Antarctic Antarctic Peninsula Antarctic Ocean Elephant Island |
genre |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Elephant Island |
genre_facet |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Elephant Island |
op_relation |
https://oceanrep.geomar.de/id/eprint/51750/1/Lischka%20etal%20SciTotalEnvironm%20768%20-%202021%20heavy%20metals%20in%20Ant%20octopods.pdf https://oceanrep.geomar.de/id/eprint/51750/2/Lischka%20et%20al%202021%20STOTEN.pdf Lischka, A. , Bustamante, P., Braid, H., Piatkowski, U. and Lacoue-Labarthe, T. (2021) Trophic ecology drives trace element concentrations in the Antarctic octopod community. Open Access Science of the Total Environment, 768 . Art.Nr. 144373. DOI 10.1016/j.scitotenv.2020.144373 <https://doi.org/10.1016/j.scitotenv.2020.144373>. doi:10.1016/j.scitotenv.2020.144373 |
op_rights |
cc_by_nc_nd_4.0 info:eu-repo/semantics/openAccess |
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_ |
1790593117299146752 |