The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs
Biomagnification (increase in contaminant concentrations at successively higher levels of trophic web), is a process that can transversally impair biodiversity and human health. Most research shows that biomagnification should be higher at poles with northern sites having a major tendency to biomagn...
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Online Access: | http://hdl.handle.net/11365/1008138 https://doi.org/10.1016/j.chemosphere.2017.02.116 |
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ftunivsiena:oai:usiena-air.unisi.it:11365/1008138 2024-04-14T08:03:25+00:00 The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs Corsolini, Simonetta Sarà, Gianluca Corsolini, Simonetta Sarà, Gianluca 2017 ELETTRONICO http://hdl.handle.net/11365/1008138 https://doi.org/10.1016/j.chemosphere.2017.02.116 eng eng info:eu-repo/semantics/altIdentifier/pmid/28288427 info:eu-repo/semantics/altIdentifier/wos/WOS:000399266600023 volume:177 firstpage:189 lastpage:199 numberofpages:11 journal:CHEMOSPHERE http://hdl.handle.net/11365/1008138 doi:10.1016/j.chemosphere.2017.02.116 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85014865960 www.elsevier.com/locate/chemosphere info:eu-repo/semantics/closedAccess Biomagnification Marine organism POP Ross Sea Stable isotope Sub-Arctic Chemistry (all) Environmental Chemistry info:eu-repo/semantics/article 2017 ftunivsiena https://doi.org/10.1016/j.chemosphere.2017.02.116 2024-03-21T16:03:06Z Biomagnification (increase in contaminant concentrations at successively higher levels of trophic web), is a process that can transversally impair biodiversity and human health. Most research shows that biomagnification should be higher at poles with northern sites having a major tendency to biomagnify Persistent Organic Pollutants (POPs) through their marine food webs. We investigated the biomagnification degree into two marine trophic webs combining carbon and nitrogen stable isotopes and POP analyses. We showed that the Antarctic trophic web was more depleted than the sub-Arctic one and the differences highlighted for the basal part could explain the difference in length between them. Concentrations of polychlorinated biphenyls (PCBs), hexachlorobenzene (HCB), and p,p’-DDE were of the same order of magnitude in the two polar trophic webs, with some values surprisingly higher in the Antarctic than sub-arctic organisms: PCBs ranged (average ± standard deviation) 1.10 ± 0.39–12.93 ± 7.62, HCB <0.10–7.28 ± 5.32, and p,p’-DDE 0.52 ± 0.18–11.36 ± 5.3 ng/g wet weight (wt) in the Antarctic organisms, and 0.53–5.08, <0.10–1.48, and 0.27 ± 0.35–5.46 ± 1.73 ng/g wet wt, respectively, in the sub-Arctic ones. The contribution of tetra- and penta-CBs to the ∑PCBs was 10–65% in the Antarctic species and 15–45% in the Arctic species. The relationships between POPs and trophic levels, and the information obtained by the Trophic Magnification Factor revealed that the Antarctic trophic web had a greater tendency to biomagnify PCBs and p,p’-DDE than its sub-Arctic counterpart. POP availability in the environment and specific ecological features may play an important role in the bioaccumulation, and biomagnification is apparently less important than bioconcentration. Article in Journal/Newspaper Antarc* Antarctic Arctic Human health Ross Sea Università degli Studi di Siena: USiena air Antarctic Arctic Ross Sea The Antarctic Chemosphere 177 189 199 |
institution |
Open Polar |
collection |
Università degli Studi di Siena: USiena air |
op_collection_id |
ftunivsiena |
language |
English |
topic |
Biomagnification Marine organism POP Ross Sea Stable isotope Sub-Arctic Chemistry (all) Environmental Chemistry |
spellingShingle |
Biomagnification Marine organism POP Ross Sea Stable isotope Sub-Arctic Chemistry (all) Environmental Chemistry Corsolini, Simonetta Sarà, Gianluca The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs |
topic_facet |
Biomagnification Marine organism POP Ross Sea Stable isotope Sub-Arctic Chemistry (all) Environmental Chemistry |
description |
Biomagnification (increase in contaminant concentrations at successively higher levels of trophic web), is a process that can transversally impair biodiversity and human health. Most research shows that biomagnification should be higher at poles with northern sites having a major tendency to biomagnify Persistent Organic Pollutants (POPs) through their marine food webs. We investigated the biomagnification degree into two marine trophic webs combining carbon and nitrogen stable isotopes and POP analyses. We showed that the Antarctic trophic web was more depleted than the sub-Arctic one and the differences highlighted for the basal part could explain the difference in length between them. Concentrations of polychlorinated biphenyls (PCBs), hexachlorobenzene (HCB), and p,p’-DDE were of the same order of magnitude in the two polar trophic webs, with some values surprisingly higher in the Antarctic than sub-arctic organisms: PCBs ranged (average ± standard deviation) 1.10 ± 0.39–12.93 ± 7.62, HCB <0.10–7.28 ± 5.32, and p,p’-DDE 0.52 ± 0.18–11.36 ± 5.3 ng/g wet weight (wt) in the Antarctic organisms, and 0.53–5.08, <0.10–1.48, and 0.27 ± 0.35–5.46 ± 1.73 ng/g wet wt, respectively, in the sub-Arctic ones. The contribution of tetra- and penta-CBs to the ∑PCBs was 10–65% in the Antarctic species and 15–45% in the Arctic species. The relationships between POPs and trophic levels, and the information obtained by the Trophic Magnification Factor revealed that the Antarctic trophic web had a greater tendency to biomagnify PCBs and p,p’-DDE than its sub-Arctic counterpart. POP availability in the environment and specific ecological features may play an important role in the bioaccumulation, and biomagnification is apparently less important than bioconcentration. |
author2 |
Corsolini, Simonetta Sarà, Gianluca |
format |
Article in Journal/Newspaper |
author |
Corsolini, Simonetta Sarà, Gianluca |
author_facet |
Corsolini, Simonetta Sarà, Gianluca |
author_sort |
Corsolini, Simonetta |
title |
The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs |
title_short |
The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs |
title_full |
The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs |
title_fullStr |
The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs |
title_full_unstemmed |
The trophic transfer of persistent pollutants (HCB, DDTs, PCBs) within polar marine food webs |
title_sort |
trophic transfer of persistent pollutants (hcb, ddts, pcbs) within polar marine food webs |
publishDate |
2017 |
url |
http://hdl.handle.net/11365/1008138 https://doi.org/10.1016/j.chemosphere.2017.02.116 |
geographic |
Antarctic Arctic Ross Sea The Antarctic |
geographic_facet |
Antarctic Arctic Ross Sea The Antarctic |
genre |
Antarc* Antarctic Arctic Human health Ross Sea |
genre_facet |
Antarc* Antarctic Arctic Human health Ross Sea |
op_relation |
info:eu-repo/semantics/altIdentifier/pmid/28288427 info:eu-repo/semantics/altIdentifier/wos/WOS:000399266600023 volume:177 firstpage:189 lastpage:199 numberofpages:11 journal:CHEMOSPHERE http://hdl.handle.net/11365/1008138 doi:10.1016/j.chemosphere.2017.02.116 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85014865960 www.elsevier.com/locate/chemosphere |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1016/j.chemosphere.2017.02.116 |
container_title |
Chemosphere |
container_volume |
177 |
container_start_page |
189 |
op_container_end_page |
199 |
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1796299667599785984 |