Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2020 |
| Outros Autores: | , , , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
| Texto Completo: | http://hdl.handle.net/10400.8/6122 |
Resumo: | Funding source : FRC, LMFA, ACN and SCN acknowledge their grants (SFRH/BPD/95372/2013, SFRH/BD/122082/2016, SFRH/BPD/108197/2015 and SFRH/BPD/94500/2013, respectively) attributed by the Foundation for Science and Technology (FCT; Portugal) and the European Social Fund (POPH, EU). This study benefited from the strategic program of MARE, financed by FCT (MARE – UID/MAR/04292/2020) and financial support provided by FCT and MARE through the project ECOLIND – Seabirds and fish as ecological indicators of contaminants and health in the North Atlantic relevant to ocean resources assessment (MFM/2017/0003). The project was also partly funded by the Integrated Programme of SR&TD “SmartBioR” (reference Centro-01-0145-FEDER-000018) cofounded by Centro 2020 program, Portugal2020, European Union, through the European Regional Development Fund. The funding source had no involvement in this study. |
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Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damageBiomarkersStable isotopesStress responsesSardina pilchardusScomber spp.Trachurus spp.Funding source : FRC, LMFA, ACN and SCN acknowledge their grants (SFRH/BPD/95372/2013, SFRH/BD/122082/2016, SFRH/BPD/108197/2015 and SFRH/BPD/94500/2013, respectively) attributed by the Foundation for Science and Technology (FCT; Portugal) and the European Social Fund (POPH, EU). This study benefited from the strategic program of MARE, financed by FCT (MARE – UID/MAR/04292/2020) and financial support provided by FCT and MARE through the project ECOLIND – Seabirds and fish as ecological indicators of contaminants and health in the North Atlantic relevant to ocean resources assessment (MFM/2017/0003). The project was also partly funded by the Integrated Programme of SR&TD “SmartBioR” (reference Centro-01-0145-FEDER-000018) cofounded by Centro 2020 program, Portugal2020, European Union, through the European Regional Development Fund. The funding source had no involvement in this study.Sardines (Sardina pilchardus) and mackerels (Scomber spp. and Trachurus spp.) are amongst the most common fish caught along the Iberian coast for human consumption and, as mid-trophic level organisms, they constitute essential prey in the diet of several marine predators. Thus, the assessment of trophic ecology, contamination exposure, and stress responses in such organisms provides valuable information on the environmental health in the mid-trophic chain and the potential risks for consumers. This study aims to contribute for an integrative mercury assessment of the marine ecosystem by measuring stable isotopes, mercury levels, and oxidative stress parameters in five commercial fish species in the northeast Atlantic. Samples of muscle and liver were collected from a total of 116 individuals in two fisheries assessment surveys (Spring and Autumn) along the whole Portuguese coast. Mercury concentrations and stable isotope analysis (δ13C and δ15N) were performed in the muscle, while oxidative stress parameters (lipid peroxidation and DNA damage) were measured in both muscle and liver. Mercury concentrations were found to be considerably lower than values recorded in previous studies and the limits set by the European Union law, which confirms the non-toxic status of these species along the Portuguese coast, concerning this harmful element. Interestingly, no differences were found among the three genera, despite clear differences in trophic niches. Still, mercury concentrations were significantly higher during Autumn than Spring, possibly due to upwelling events during the Summer. Moreover, no relationships between the mercury concentrations and oxidative stress parameters were found. Overall, this work provided an integrative mercury assessment of commercial fishes from the mid-trophic chain, particularly from pelagic (and neritic) regions in the northeast Atlantic, showing that mercury concentration in these species is low. However, it is important to note that this study focused on small- and medium-sized specimens (overall ranging from 13–25 cm in length), and thus higher concentrations of mercury may be present in larger fish due to bioaccumulation.ElsevierIC-OnlineSilva, Joana M. daAlves, Luís M.Laranjeiro, Maria I.Angélico, Maria M.Norte, Ana C.Lemos, Marco F.L.Ramos, Jaime A.Novais, Sara C.Ceia, Filipa R.2021-08-20T13:40:30Z20202020-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.8/6122engJoana M. da Silva, Luís M.F. Alves, Maria I. Laranjeiro, Andreia Silva, Maria M. Angélico, Ana C. Norte, Marco F.L. Lemos, Jaime A. Ramos, Sara C. Novais, Filipe R. Ceia, Mercury levels in commercial mid-trophic level fishes along the Portuguese coast – Relationships with trophic niche and oxidative damage, Ecological Indicators, Volume 116, 2020, 106500, ISSN 1470-160X, https://doi.org/10.1016/j.ecolind.2020.106500.1470-160X10.1016/j.ecolind.2020.106500metadata only accessinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-01-17T15:52:24Zoai:iconline.ipleiria.pt:10400.8/6122Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T01:49:26.185481Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
| dc.title.none.fl_str_mv |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage |
| title |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage |
| spellingShingle |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage Silva, Joana M. da Biomarkers Stable isotopes Stress responses Sardina pilchardus Scomber spp. Trachurus spp. |
| title_short |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage |
| title_full |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage |
| title_fullStr |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage |
| title_full_unstemmed |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage |
| title_sort |
Mercury levels in commercial mid-trophic level fishes along the Portuguese coast: Relationships with trophic niche and oxidative damage |
| author |
Silva, Joana M. da |
| author_facet |
Silva, Joana M. da Alves, Luís M. Laranjeiro, Maria I. Angélico, Maria M. Norte, Ana C. Lemos, Marco F.L. Ramos, Jaime A. Novais, Sara C. Ceia, Filipa R. |
| author_role |
author |
| author2 |
Alves, Luís M. Laranjeiro, Maria I. Angélico, Maria M. Norte, Ana C. Lemos, Marco F.L. Ramos, Jaime A. Novais, Sara C. Ceia, Filipa R. |
| author2_role |
author author author author author author author author |
| dc.contributor.none.fl_str_mv |
IC-Online |
| dc.contributor.author.fl_str_mv |
Silva, Joana M. da Alves, Luís M. Laranjeiro, Maria I. Angélico, Maria M. Norte, Ana C. Lemos, Marco F.L. Ramos, Jaime A. Novais, Sara C. Ceia, Filipa R. |
| dc.subject.por.fl_str_mv |
Biomarkers Stable isotopes Stress responses Sardina pilchardus Scomber spp. Trachurus spp. |
| topic |
Biomarkers Stable isotopes Stress responses Sardina pilchardus Scomber spp. Trachurus spp. |
| description |
Funding source : FRC, LMFA, ACN and SCN acknowledge their grants (SFRH/BPD/95372/2013, SFRH/BD/122082/2016, SFRH/BPD/108197/2015 and SFRH/BPD/94500/2013, respectively) attributed by the Foundation for Science and Technology (FCT; Portugal) and the European Social Fund (POPH, EU). This study benefited from the strategic program of MARE, financed by FCT (MARE – UID/MAR/04292/2020) and financial support provided by FCT and MARE through the project ECOLIND – Seabirds and fish as ecological indicators of contaminants and health in the North Atlantic relevant to ocean resources assessment (MFM/2017/0003). The project was also partly funded by the Integrated Programme of SR&TD “SmartBioR” (reference Centro-01-0145-FEDER-000018) cofounded by Centro 2020 program, Portugal2020, European Union, through the European Regional Development Fund. The funding source had no involvement in this study. |
| publishDate |
2020 |
| dc.date.none.fl_str_mv |
2020 2020-01-01T00:00:00Z 2021-08-20T13:40:30Z |
| dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
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http://hdl.handle.net/10400.8/6122 |
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http://hdl.handle.net/10400.8/6122 |
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eng |
| language |
eng |
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Joana M. da Silva, Luís M.F. Alves, Maria I. Laranjeiro, Andreia Silva, Maria M. Angélico, Ana C. Norte, Marco F.L. Lemos, Jaime A. Ramos, Sara C. Novais, Filipe R. Ceia, Mercury levels in commercial mid-trophic level fishes along the Portuguese coast – Relationships with trophic niche and oxidative damage, Ecological Indicators, Volume 116, 2020, 106500, ISSN 1470-160X, https://doi.org/10.1016/j.ecolind.2020.106500. 1470-160X 10.1016/j.ecolind.2020.106500 |
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metadata only access info:eu-repo/semantics/openAccess |
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metadata only access |
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openAccess |
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application/pdf |
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Elsevier |
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Elsevier |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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