DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology)
Heavy metal concentrations in Antarctic surface seawaters and some marine organisms were determined, and their distributions and bioaccumulations were discussed in comparison with other marine ecosystems. Locational difference of the heavy metal concentrations in Antarctic seawater was negligible, a...
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ftnipr:oai:nipr.repo.nii.ac.jp:00005028 2023-05-15T13:49:02+02:00 DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology) ホンダ カツヒサ ヤマモト ヨシユキ タツカワ リョウ Katsuhisa HONDA Yoshiyuki YAMAMOTO Ryo TATSUKAWA 1987-12 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5028 http://id.nii.ac.jp/1291/00005028/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5028&item_no=1&attribute_id=18&file_no=1 en eng Proceeding Department of Environment Conservation, Faculty of Agriculture, Ehime University National Institute of Polar Research https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5028 http://id.nii.ac.jp/1291/00005028/ AA10819561 Proceedings of the NIPR Symposium on Polar Biology, 1, 184-197(1987-12) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5028&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1987 ftnipr 2023-02-11T20:10:44Z Heavy metal concentrations in Antarctic surface seawaters and some marine organisms were determined, and their distributions and bioaccumulations were discussed in comparison with other marine ecosystems. Locational difference of the heavy metal concentrations in Antarctic seawater was negligible, and their concentrations were in the order of Zn-Fe>Mn>Cu>Pb-Ni>Cd>Hg. When compared to the western North Pacific, Japan Sea and Bering Sea, the concentrations of Fe, Zn, and Hg in Antarctic seawater were relatively low, which provides evidence that atmospheric transport of these metals from continents, either from natural or anthropogenic sources to the Antarctic water is much less. The Cd level was relatively high compared with those in the western North Pacific and Japan Sea waters, which might be due to the upwelling of Cd-enriched deep waters to the surface. In general, the heavy metal concentrations in Antarctic marine organisms were affected by the metal concentrations in the seawater. Also, it was found that bioaccumulations of metals in Antarctic marine ecosystem were characterized by a high accumulation of Cd and low accumulation of Hg, based on the short food chain with krill as key species, and also by a low accumulation of Fe in fishes as an adaptation to the cold water condition. Report Antarc* Antarctic Bering Sea Polar Biology Proceedings of the NIPR Symposium on Polar Biology National Institute of Polar Research Repository, Japan Antarctic Bering Sea Pacific The Antarctic |
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Open Polar |
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National Institute of Polar Research Repository, Japan |
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ftnipr |
language |
English |
description |
Heavy metal concentrations in Antarctic surface seawaters and some marine organisms were determined, and their distributions and bioaccumulations were discussed in comparison with other marine ecosystems. Locational difference of the heavy metal concentrations in Antarctic seawater was negligible, and their concentrations were in the order of Zn-Fe>Mn>Cu>Pb-Ni>Cd>Hg. When compared to the western North Pacific, Japan Sea and Bering Sea, the concentrations of Fe, Zn, and Hg in Antarctic seawater were relatively low, which provides evidence that atmospheric transport of these metals from continents, either from natural or anthropogenic sources to the Antarctic water is much less. The Cd level was relatively high compared with those in the western North Pacific and Japan Sea waters, which might be due to the upwelling of Cd-enriched deep waters to the surface. In general, the heavy metal concentrations in Antarctic marine organisms were affected by the metal concentrations in the seawater. Also, it was found that bioaccumulations of metals in Antarctic marine ecosystem were characterized by a high accumulation of Cd and low accumulation of Hg, based on the short food chain with krill as key species, and also by a low accumulation of Fe in fishes as an adaptation to the cold water condition. |
format |
Report |
author |
ホンダ カツヒサ ヤマモト ヨシユキ タツカワ リョウ Katsuhisa HONDA Yoshiyuki YAMAMOTO Ryo TATSUKAWA |
spellingShingle |
ホンダ カツヒサ ヤマモト ヨシユキ タツカワ リョウ Katsuhisa HONDA Yoshiyuki YAMAMOTO Ryo TATSUKAWA DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology) |
author_facet |
ホンダ カツヒサ ヤマモト ヨシユキ タツカワ リョウ Katsuhisa HONDA Yoshiyuki YAMAMOTO Ryo TATSUKAWA |
author_sort |
ホンダ カツヒサ |
title |
DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology) |
title_short |
DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology) |
title_full |
DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology) |
title_fullStr |
DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology) |
title_full_unstemmed |
DISTRIBUTION OF HEAVY METALS IN ANTARCTIC MARINE ECOSYSTEM (Ninth Symposium on Polar Biology) |
title_sort |
distribution of heavy metals in antarctic marine ecosystem (ninth symposium on polar biology) |
publisher |
Proceeding |
publishDate |
1987 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5028 http://id.nii.ac.jp/1291/00005028/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5028&item_no=1&attribute_id=18&file_no=1 |
geographic |
Antarctic Bering Sea Pacific The Antarctic |
geographic_facet |
Antarctic Bering Sea Pacific The Antarctic |
genre |
Antarc* Antarctic Bering Sea Polar Biology Proceedings of the NIPR Symposium on Polar Biology |
genre_facet |
Antarc* Antarctic Bering Sea Polar Biology Proceedings of the NIPR Symposium on Polar Biology |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5028 http://id.nii.ac.jp/1291/00005028/ AA10819561 Proceedings of the NIPR Symposium on Polar Biology, 1, 184-197(1987-12) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5028&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766250651249016832 |