POPs in key species of marine Antarctic ecosystem
Remote areas including the Polar regions were considered to be pristine until contamination was first documented in the 1970's. Given the fact that the xenobiotics detected in polar ecosystems are persistent and toxic, investigating the presence of these chemicals in a pristine environment such...
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ftunivsiena:oai:usiena-air.unisi.it:11365/11019 2024-04-21T07:47:09+00:00 POPs in key species of marine Antarctic ecosystem CORSOLINI, S. ROMEO, T. ADEMOLLO, A. GRECO, S. FOCARDI, S. Corsolini, S. Romeo, T. Ademollo, A. Greco, S. Focardi, S. 2002 STAMPA http://hdl.handle.net/11365/11019 https://doi.org/10.1016/S0026-265X(02)00063-2 eng eng info:eu-repo/semantics/altIdentifier/wos/WOS:000178685700021 volume:73 issue:1-2 firstpage:187 lastpage:193 numberofpages:7 journal:MICROCHEMICAL JOURNAL http://hdl.handle.net/11365/11019 doi:10.1016/S0026-265X(02)00063-2 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-0036775068 info:eu-repo/semantics/closedAccess Antarctica Food web contamination Krill Pleuragramma antarcticum POPs info:eu-repo/semantics/article 2002 ftunivsiena https://doi.org/10.1016/S0026-265X(02)00063-2 2024-03-28T00:52:42Z Remote areas including the Polar regions were considered to be pristine until contamination was first documented in the 1970's. Given the fact that the xenobiotics detected in polar ecosystems are persistent and toxic, investigating the presence of these chemicals in a pristine environment such as Antarctica has become a priority. In specimens of the most important key species of Antarctic marine food web, Euphausia superba and Pleuragramma antarcticum sampled in the Ross Sea, we evaluated concentrations of the following persistent organic pollutants: polychlorinated biphenyls (PCBs), chlorinated pesticides such as hexachlorobenzene (HCB), and p,p'-DDE. Sampling was carried out in the framework of the Italian National Program for Research in Antarctica (PNRA) from 1999 to 2000. PCB concentrations were higher than HCB and p,p'-DDE by two orders of magnitude; levels of HCB and p,p'-DDE, in the range of 1-5 ng/g wet weight, were low compared to those reported for species in lower latitude marine environments. PCBs values were comparable to those determined in moderately contaminated areas. PCB fingerprints and patterns of isomer classes showed a predominance of low-chlorinated PCBs: tri-, tetra- and penta-CB congeners constituted more than 50% of the total residue in krill and larvae and less than 50% in adult silverfish. The pattern seems common to that of Kanechlor, a technical mixture used mostly in Japan and other Eastern Asian countries that are roughly at the same longitude of the Ross Sea. (C) 2002 Elsevier Science B.V. All rights reserved. Article in Journal/Newspaper Antarc* Antarctic Antarctica Euphausia superba Ross Sea Università degli Studi di Siena: USiena air Microchemical Journal 73 1-2 187 193 |
institution |
Open Polar |
collection |
Università degli Studi di Siena: USiena air |
op_collection_id |
ftunivsiena |
language |
English |
topic |
Antarctica Food web contamination Krill Pleuragramma antarcticum POPs |
spellingShingle |
Antarctica Food web contamination Krill Pleuragramma antarcticum POPs CORSOLINI, S. ROMEO, T. ADEMOLLO, A. GRECO, S. FOCARDI, S. POPs in key species of marine Antarctic ecosystem |
topic_facet |
Antarctica Food web contamination Krill Pleuragramma antarcticum POPs |
description |
Remote areas including the Polar regions were considered to be pristine until contamination was first documented in the 1970's. Given the fact that the xenobiotics detected in polar ecosystems are persistent and toxic, investigating the presence of these chemicals in a pristine environment such as Antarctica has become a priority. In specimens of the most important key species of Antarctic marine food web, Euphausia superba and Pleuragramma antarcticum sampled in the Ross Sea, we evaluated concentrations of the following persistent organic pollutants: polychlorinated biphenyls (PCBs), chlorinated pesticides such as hexachlorobenzene (HCB), and p,p'-DDE. Sampling was carried out in the framework of the Italian National Program for Research in Antarctica (PNRA) from 1999 to 2000. PCB concentrations were higher than HCB and p,p'-DDE by two orders of magnitude; levels of HCB and p,p'-DDE, in the range of 1-5 ng/g wet weight, were low compared to those reported for species in lower latitude marine environments. PCBs values were comparable to those determined in moderately contaminated areas. PCB fingerprints and patterns of isomer classes showed a predominance of low-chlorinated PCBs: tri-, tetra- and penta-CB congeners constituted more than 50% of the total residue in krill and larvae and less than 50% in adult silverfish. The pattern seems common to that of Kanechlor, a technical mixture used mostly in Japan and other Eastern Asian countries that are roughly at the same longitude of the Ross Sea. (C) 2002 Elsevier Science B.V. All rights reserved. |
author2 |
Corsolini, S. Romeo, T. Ademollo, A. Greco, S. Focardi, S. |
format |
Article in Journal/Newspaper |
author |
CORSOLINI, S. ROMEO, T. ADEMOLLO, A. GRECO, S. FOCARDI, S. |
author_facet |
CORSOLINI, S. ROMEO, T. ADEMOLLO, A. GRECO, S. FOCARDI, S. |
author_sort |
CORSOLINI, S. |
title |
POPs in key species of marine Antarctic ecosystem |
title_short |
POPs in key species of marine Antarctic ecosystem |
title_full |
POPs in key species of marine Antarctic ecosystem |
title_fullStr |
POPs in key species of marine Antarctic ecosystem |
title_full_unstemmed |
POPs in key species of marine Antarctic ecosystem |
title_sort |
pops in key species of marine antarctic ecosystem |
publishDate |
2002 |
url |
http://hdl.handle.net/11365/11019 https://doi.org/10.1016/S0026-265X(02)00063-2 |
genre |
Antarc* Antarctic Antarctica Euphausia superba Ross Sea |
genre_facet |
Antarc* Antarctic Antarctica Euphausia superba Ross Sea |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/WOS:000178685700021 volume:73 issue:1-2 firstpage:187 lastpage:193 numberofpages:7 journal:MICROCHEMICAL JOURNAL http://hdl.handle.net/11365/11019 doi:10.1016/S0026-265X(02)00063-2 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-0036775068 |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1016/S0026-265X(02)00063-2 |
container_title |
Microchemical Journal |
container_volume |
73 |
container_issue |
1-2 |
container_start_page |
187 |
op_container_end_page |
193 |
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1796945630285791232 |