Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies
Sardina pilchardus is a marine species common in the North Atlantic Ocean, and is subjected to diffuse anthropogenic chemical contamination and seasonal fluctuations in biotic and abiotic parameters that may alter its physiology and condition. Biological material is easily available through commerci...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2015-02-01
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| Series: | Frontiers in Environmental Science |
| Subjects: | |
| Online Access: | http://journal.frontiersin.org/Journal/10.3389/fenvs.2015.00007/full |
| _version_ | 1818981558858547200 |
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| author | Bruno Silva Nunes Rita eTravasso Fernando eGonçalves Bruno B Castro |
| author_facet | Bruno Silva Nunes Rita eTravasso Fernando eGonçalves Bruno B Castro |
| author_sort | Bruno Silva Nunes |
| collection | DOAJ |
| description | Sardina pilchardus is a marine species common in the North Atlantic Ocean, and is subjected to diffuse anthropogenic chemical contamination and seasonal fluctuations in biotic and abiotic parameters that may alter its physiology and condition. Biological material is easily available through commercial fisheries, which could facilitate its use as a bioindicator species. The aim of the present work was to address its potential inclusion in biomonitoring studies, considering a combinatory approach through the use of enzymatic biomarkers and somatic indices, by assessing spatial and temporal patterns in a metapopulation along the west coast of Portugal. Our results showed significant variability of the biochemical and physiological profile of the fish, mainly concordant between sampling sites. Large differences for most markers were found across periods of the year, showing the importance of seasonality, which was mostly related to the reproductive cycle. Hence, environmental scientists should acknowledge seasonality as a strong driving force for physiological adaptations, influencing biochemical markers that are normally used to identify effects of chemical contamination. The here-obtained set of data suggests that S. pilchardus may be successfully included in oceanic biomonitoring studies, when one considers that the contribution of seasonal factors may exceed the influence of eventual anthropogenic contamination. |
| first_indexed | 2024-12-20T17:33:14Z |
| format | Article |
| id | doaj.art-2e999d00665243f588468f3523b727ea |
| institution | Directory Open Access Journal |
| issn | 2296-665X |
| language | English |
| last_indexed | 2024-12-20T17:33:14Z |
| publishDate | 2015-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Environmental Science |
| spelling | doaj.art-2e999d00665243f588468f3523b727ea2022-12-21T19:31:18ZengFrontiers Media S.A.Frontiers in Environmental Science2296-665X2015-02-01310.3389/fenvs.2015.00007126151Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studiesBruno Silva Nunes0Rita eTravasso1Fernando eGonçalves2Bruno B Castro3Centro de Estudos do Ambiente e do Mar, Laboratório Associado (CESAM - LA)Centro de Estudos do Ambiente e do Mar, Laboratório Associado (CESAM - LA)Centro de Estudos do Ambiente e do Mar, Laboratório Associado (CESAM - LA)Centro de Estudos do Ambiente e do Mar, Laboratório Associado (CESAM - LA)Sardina pilchardus is a marine species common in the North Atlantic Ocean, and is subjected to diffuse anthropogenic chemical contamination and seasonal fluctuations in biotic and abiotic parameters that may alter its physiology and condition. Biological material is easily available through commercial fisheries, which could facilitate its use as a bioindicator species. The aim of the present work was to address its potential inclusion in biomonitoring studies, considering a combinatory approach through the use of enzymatic biomarkers and somatic indices, by assessing spatial and temporal patterns in a metapopulation along the west coast of Portugal. Our results showed significant variability of the biochemical and physiological profile of the fish, mainly concordant between sampling sites. Large differences for most markers were found across periods of the year, showing the importance of seasonality, which was mostly related to the reproductive cycle. Hence, environmental scientists should acknowledge seasonality as a strong driving force for physiological adaptations, influencing biochemical markers that are normally used to identify effects of chemical contamination. The here-obtained set of data suggests that S. pilchardus may be successfully included in oceanic biomonitoring studies, when one considers that the contribution of seasonal factors may exceed the influence of eventual anthropogenic contamination.http://journal.frontiersin.org/Journal/10.3389/fenvs.2015.00007/fullbiomarkersSeasonalitybiomonitoringSardineDiffuse pollutionphysiology and reproduction |
| spellingShingle | Bruno Silva Nunes Rita eTravasso Fernando eGonçalves Bruno B Castro Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies Frontiers in Environmental Science biomarkers Seasonality biomonitoring Sardine Diffuse pollution physiology and reproduction |
| title | Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies |
| title_full | Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies |
| title_fullStr | Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies |
| title_full_unstemmed | Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies |
| title_short | Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies |
| title_sort | biochemical and physiological modifications in tissues of sardina pilchardus spatial and temporal patterns as a baseline for biomonitoring studies |
| topic | biomarkers Seasonality biomonitoring Sardine Diffuse pollution physiology and reproduction |
| url | http://journal.frontiersin.org/Journal/10.3389/fenvs.2015.00007/full |
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