Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§
Metals occur naturally in the environment and in organisms. Organisms at higher trophic levels may contain metals at elevated concentrations, as a result of accumulation from anthropogenic and natural sources, potentially making them more susceptible to detrimental effects, as well as passing them o...
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Zoological Society of Southern Africa
2020
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Online Access: | https://doi.org/10.1080/15627020.2020.1810121 |
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ftbioone:10.1080/15627020.2020.1810121 2024-06-02T08:14:28+00:00 Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§ Ryan C Uren Francois Bothma Carl D van der Lingen Hindrik Bouwman Ryan C Uren Francois Bothma Carl D van der Lingen Hindrik Bouwman world 2020-12-04 text/HTML https://doi.org/10.1080/15627020.2020.1810121 en eng Zoological Society of Southern Africa doi:10.1080/15627020.2020.1810121 All rights reserved. https://doi.org/10.1080/15627020.2020.1810121 Text 2020 ftbioone https://doi.org/10.1080/15627020.2020.1810121 2024-05-07T00:51:43Z Metals occur naturally in the environment and in organisms. Organisms at higher trophic levels may contain metals at elevated concentrations, as a result of accumulation from anthropogenic and natural sources, potentially making them more susceptible to detrimental effects, as well as passing them on to consumers. The concentrations of thirty metals were quantified in hake (Merluccius capensis), kingklip (Genypterus capensis), monkfish (Lophius vomerinus) and chokka (Loligo reynaudii) collected from the South Atlantic Ocean of South Africa in February 2017 and February 2019, using inductively coupled plasma mass spectrometry. Metal concentrations and composition in nektobenthic chokka differed significantly from the three demersal fish predators (hake, kingklip, and monkfish). Demersal fish metal concentrations and relative pattern compositions (fingerprints) were similar. Because the samples were collected within an 80 km radius, the differences are likely as a result of a combination of factors, such as diet, habitat (depth), and differences in the physiological regulation of metals between cephalopods and fish, rather than location. Based on South African estimated daily intake, total hazard quotient and European Union limits for mercury, cadmium and lead, these four economically important species from the South Atlantic Ocean are safe for human consumption. Plankton, herbivorous marine species, and larger predators, such as sharks and dolphins, should be studied to obtain further insight into metals as baseline for monitoring possible future pollution and effects from climate change, trophic transfer, toxic effects, and human consumer safety. Text South Atlantic Ocean BioOne Online Journals Hake ENVELOPE(15.612,15.612,66.797,66.797) African Zoology 55 4 278 291 |
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BioOne Online Journals |
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ftbioone |
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English |
description |
Metals occur naturally in the environment and in organisms. Organisms at higher trophic levels may contain metals at elevated concentrations, as a result of accumulation from anthropogenic and natural sources, potentially making them more susceptible to detrimental effects, as well as passing them on to consumers. The concentrations of thirty metals were quantified in hake (Merluccius capensis), kingklip (Genypterus capensis), monkfish (Lophius vomerinus) and chokka (Loligo reynaudii) collected from the South Atlantic Ocean of South Africa in February 2017 and February 2019, using inductively coupled plasma mass spectrometry. Metal concentrations and composition in nektobenthic chokka differed significantly from the three demersal fish predators (hake, kingklip, and monkfish). Demersal fish metal concentrations and relative pattern compositions (fingerprints) were similar. Because the samples were collected within an 80 km radius, the differences are likely as a result of a combination of factors, such as diet, habitat (depth), and differences in the physiological regulation of metals between cephalopods and fish, rather than location. Based on South African estimated daily intake, total hazard quotient and European Union limits for mercury, cadmium and lead, these four economically important species from the South Atlantic Ocean are safe for human consumption. Plankton, herbivorous marine species, and larger predators, such as sharks and dolphins, should be studied to obtain further insight into metals as baseline for monitoring possible future pollution and effects from climate change, trophic transfer, toxic effects, and human consumer safety. |
author2 |
Ryan C Uren Francois Bothma Carl D van der Lingen Hindrik Bouwman |
format |
Text |
author |
Ryan C Uren Francois Bothma Carl D van der Lingen Hindrik Bouwman |
spellingShingle |
Ryan C Uren Francois Bothma Carl D van der Lingen Hindrik Bouwman Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§ |
author_facet |
Ryan C Uren Francois Bothma Carl D van der Lingen Hindrik Bouwman |
author_sort |
Ryan C Uren |
title |
Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§ |
title_short |
Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§ |
title_full |
Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§ |
title_fullStr |
Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§ |
title_full_unstemmed |
Differences in Metal Compositions and Concentrations of Sympatric Predatory Fish and Squid from the South Atlantic Ocean§ |
title_sort |
differences in metal compositions and concentrations of sympatric predatory fish and squid from the south atlantic ocean§ |
publisher |
Zoological Society of Southern Africa |
publishDate |
2020 |
url |
https://doi.org/10.1080/15627020.2020.1810121 |
op_coverage |
world |
long_lat |
ENVELOPE(15.612,15.612,66.797,66.797) |
geographic |
Hake |
geographic_facet |
Hake |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_source |
https://doi.org/10.1080/15627020.2020.1810121 |
op_relation |
doi:10.1080/15627020.2020.1810121 |
op_rights |
All rights reserved. |
op_doi |
https://doi.org/10.1080/15627020.2020.1810121 |
container_title |
African Zoology |
container_volume |
55 |
container_issue |
4 |
container_start_page |
278 |
op_container_end_page |
291 |
_version_ |
1800738346839834624 |