Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic
In present study, the analyses of essential [copper (Cu), cobalt (Co), selenium (Se) and zinc (Zn)] and non-essential elements [mercury (Hg), lead (Pb), cadmium (Cd) and arsenic (As)] in 7 fish species consumed by the indigenous people of the European Russia Arctic were conducted. The Nenets Autonom...
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ftstami:oai:stami.brage.unit.no:11250/3147320 2024-09-15T18:11:16+00:00 Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic Sobolev, Nikita Aksenov, Andrey Sorokina, Tatiana Chashchin, Valery Ellingsen, Dag Nieboer, Evert Varakina, Yulia Veselkina, Elena Kotsur, Dmitry Thomassen, Yngvar 2019 application/pdf https://hdl.handle.net/11250/3147320 https://doi.org/10.1016/j.envpol.2019.07.072 eng eng Environmental Pollution (1987). 2019, 253 966-973. urn:issn:0269-7491 https://hdl.handle.net/11250/3147320 https://doi.org/10.1016/j.envpol.2019.07.072 cristin:1713020 966-973 253 Environmental Pollution (1987) Peer reviewed Journal article 2019 ftstami https://doi.org/10.1016/j.envpol.2019.07.072 2024-09-02T23:30:20Z In present study, the analyses of essential [copper (Cu), cobalt (Co), selenium (Se) and zinc (Zn)] and non-essential elements [mercury (Hg), lead (Pb), cadmium (Cd) and arsenic (As)] in 7 fish species consumed by the indigenous people of the European Russia Arctic were conducted. The Nenets Autonomous Region, which is located in the north-eastern part of European Russia, was chosen as a Region of interest. Within it, the Nenets indigenous group (n = 6000) constitutes approximately 10% of the total population. Nearly all of the Nenets live a traditional life with fish caught in the local waters as a subsistence resource. We found that northern pike contained twice the amount of Hg compared with roach, and 3–4 times more than other fish species commonly consumed in the Russian Arctic (namely, Arctic char, pink salmon, navaga, humpback whitefish and inconnu). Fish Hg concentrations were relatively low, but comparable to those reported in other investigations that illustrate a decreasing south-to-north trend in fish Hg concentrations. In the current study, northern pike is the only species for which Hg bioaccumulated significantly. In all fish species, both Cd and Pb were present in considerably lower concentrations than Hg. The total As concentrations observed are similar to those previously published, and it is assumed to be present primarily in non-toxic organic forms. All fish tissues were rich in the essential elements Se, Cu and Zn and, dependent on the amount fish consumed, may contribute significantly to the nutritional intake by indigenous Arctic peoples. We observed large significant differences in the molar Se/Hg ratios, which ranged from 2.3 for northern pike to 71.1 for pink salmon. Values of the latter <1 may increase the toxic potential of Hg, while those >1 appear to enhance the protection against Hg toxicity. Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic publishedVersion Article in Journal/Newspaper Humpback whitefish nenets Northern pike Pink salmon Statens arbeidsmiljøinstitutt (STAMI): Brage Environmental Pollution 253 966 973 |
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Open Polar |
collection |
Statens arbeidsmiljøinstitutt (STAMI): Brage |
op_collection_id |
ftstami |
language |
English |
description |
In present study, the analyses of essential [copper (Cu), cobalt (Co), selenium (Se) and zinc (Zn)] and non-essential elements [mercury (Hg), lead (Pb), cadmium (Cd) and arsenic (As)] in 7 fish species consumed by the indigenous people of the European Russia Arctic were conducted. The Nenets Autonomous Region, which is located in the north-eastern part of European Russia, was chosen as a Region of interest. Within it, the Nenets indigenous group (n = 6000) constitutes approximately 10% of the total population. Nearly all of the Nenets live a traditional life with fish caught in the local waters as a subsistence resource. We found that northern pike contained twice the amount of Hg compared with roach, and 3–4 times more than other fish species commonly consumed in the Russian Arctic (namely, Arctic char, pink salmon, navaga, humpback whitefish and inconnu). Fish Hg concentrations were relatively low, but comparable to those reported in other investigations that illustrate a decreasing south-to-north trend in fish Hg concentrations. In the current study, northern pike is the only species for which Hg bioaccumulated significantly. In all fish species, both Cd and Pb were present in considerably lower concentrations than Hg. The total As concentrations observed are similar to those previously published, and it is assumed to be present primarily in non-toxic organic forms. All fish tissues were rich in the essential elements Se, Cu and Zn and, dependent on the amount fish consumed, may contribute significantly to the nutritional intake by indigenous Arctic peoples. We observed large significant differences in the molar Se/Hg ratios, which ranged from 2.3 for northern pike to 71.1 for pink salmon. Values of the latter <1 may increase the toxic potential of Hg, while those >1 appear to enhance the protection against Hg toxicity. Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic publishedVersion |
format |
Article in Journal/Newspaper |
author |
Sobolev, Nikita Aksenov, Andrey Sorokina, Tatiana Chashchin, Valery Ellingsen, Dag Nieboer, Evert Varakina, Yulia Veselkina, Elena Kotsur, Dmitry Thomassen, Yngvar |
spellingShingle |
Sobolev, Nikita Aksenov, Andrey Sorokina, Tatiana Chashchin, Valery Ellingsen, Dag Nieboer, Evert Varakina, Yulia Veselkina, Elena Kotsur, Dmitry Thomassen, Yngvar Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic |
author_facet |
Sobolev, Nikita Aksenov, Andrey Sorokina, Tatiana Chashchin, Valery Ellingsen, Dag Nieboer, Evert Varakina, Yulia Veselkina, Elena Kotsur, Dmitry Thomassen, Yngvar |
author_sort |
Sobolev, Nikita |
title |
Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic |
title_short |
Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic |
title_full |
Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic |
title_fullStr |
Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic |
title_full_unstemmed |
Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic |
title_sort |
essential and non-essential trace elements in fish consumed by indigenous peoples of the european russian arctic |
publishDate |
2019 |
url |
https://hdl.handle.net/11250/3147320 https://doi.org/10.1016/j.envpol.2019.07.072 |
genre |
Humpback whitefish nenets Northern pike Pink salmon |
genre_facet |
Humpback whitefish nenets Northern pike Pink salmon |
op_source |
966-973 253 Environmental Pollution (1987) |
op_relation |
Environmental Pollution (1987). 2019, 253 966-973. urn:issn:0269-7491 https://hdl.handle.net/11250/3147320 https://doi.org/10.1016/j.envpol.2019.07.072 cristin:1713020 |
op_doi |
https://doi.org/10.1016/j.envpol.2019.07.072 |
container_title |
Environmental Pollution |
container_volume |
253 |
container_start_page |
966 |
op_container_end_page |
973 |
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1810448854389096448 |