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Effects of ocean acidification on the swimming ability, development and biochemical responses of sand smelt larvae

2016-09-01Journal article Restricted access
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dc.contributor.authorSilva, Cátia S. E.
dc.contributor.authorNovais, Sara C.
dc.contributor.authorLemos, Marco F. L.
dc.contributor.authorMendes, Susana
dc.contributor.authorOliveira, Ana P.
dc.contributor.authorGonçalves, Emanuel J.
dc.contributor.authorFaria, Ana M.
dc.date.accessioned2018-05-03T10:58:00Z
dc.date.available2018-09-01T00:30:09Z
dc.date.issued2016-09-01
dc.description.abstractOcean acidification, recognized as a major threat to marine ecosystems, has developed into one of the fastest growing fields of research in marine sciences. Several studies on fish larval stages point to abnormal behaviours, malformations and increased mortality rates as a result of exposure to increased levels of CO2. However, other studies fail to recognize any consequence, suggesting species-specific sensitivity to increased levels of CO2, highlighting the need of further research. In this study we investigated the effects of exposure to elevated pCO2 on behaviour, development, oxidative stress and energy metabolism of sand smelt larvae, Atherina presbyter. Larvae were caught at Arrábida Marine Park (Portugal) and exposed to different pCO2 levels (control: ~ 600 μatm, pH = 8.03; medium: ~ 1000 μatm, pH = 7.85; high: ~ 1800 μatm, pH = 7.64) up to 15 days, after which critical swimming speed (Ucrit), morphometric traits and biochemical biomarkers were determined. Measured biomarkers were related with: 1) oxidative stress — superoxide dismutase and catalase enzyme activities, levels of lipid peroxidation and DNA damage, and levels of superoxide anion production; 2) energy metabolism — total carbohydrate levels, electron transport system activity, lactate dehydrogenase and isocitrate dehydrogenase enzyme activities. Swimming speed was not affected by treatment, but exposure to increasing levels of pCO2 leads to higher energetic costs and morphometric changes, with larger larvae in high pCO2 treatment and smaller larvae in medium pCO2 treatment. The efficient antioxidant response capacity and increase in energetic metabolism only registered at the medium pCO2 treatment may indicate that at higher pCO2 levels the capacity of larvae to restore their internal balance can be impaired. Our findings illustrate the need of using multiple approaches to explore the consequences of future pCO2 levels on organisms.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSilva, C. S., Novais, S. C., Lemos, M. F., Mendes, S., Oliveira, A. P., Gonçalves, E. J., & Faria, A. M. (2016). Effects of ocean acidification on the swimming ability, development and biochemical responses of sand smelt larvae. Science Of The Total Environment, 563-56489-98. doi:10.1016/j.scitotenv.2016.04.091pt_PT
dc.identifier.doihttps://doi.org/10.1016/j.scitotenv.2016.04.091pt_PT
dc.identifier.issn0048-9697
dc.identifier.urihttp://hdl.handle.net/10400.8/3230
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherScience of The Total Environmentpt_PT
dc.relationACIDLARVAE - Acidification Effects on Temperate Fish Larvae
dc.relationUNDERSTANDING TEMPERATE REEF FISH LARVAE BEHAVIOUR AND IMPLICATIONS FOR POPULATION CONNECTIVITY
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0048969716307719?via%3Dihubpt_PT
dc.subjectAtherina presbyterpt_PT
dc.subjectBiomarkerspt_PT
dc.subjectCO2pt_PT
dc.subjectMorphometrypt_PT
dc.subjectOxidative stresspt_PT
dc.subjectUcritpt_PT
dc.titleEffects of ocean acidification on the swimming ability, development and biochemical responses of sand smelt larvaept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleACIDLARVAE - Acidification Effects on Temperate Fish Larvae
oaire.awardTitleUNDERSTANDING TEMPERATE REEF FISH LARVAE BEHAVIOUR AND IMPLICATIONS FOR POPULATION CONNECTIVITY
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR-EST%2F4627%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F68673%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F94500%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMAR%2F04292%2F2013/PT
oaire.citation.endPage98pt_PT
oaire.citation.startPage89pt_PT
oaire.citation.volume563-564pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStreamSFRH
oaire.fundingStream5876
person.familyNameEsteves da Silva
person.familyNameNovais
person.familyNameLemos
person.familyNameMENDES
person.givenNameCátia Sofia
person.givenNameSara
person.givenNameMarco
person.givenNameSUSANA
person.identifier996337
person.identifier322266
person.identifier.ciencia-id2216-A2E0-A118
person.identifier.ciencia-id4514-12E2-1FD9
person.identifier.orcid0000-0003-3646-3392
person.identifier.orcid0000-0003-1306-3396
person.identifier.orcid0000-0001-9887-1864
person.identifier.orcid0000-0001-9681-3169
person.identifier.ridA-9032-2012
person.identifier.ridF-7951-2011
person.identifier.scopus-author-id23025463300
person.identifier.scopus-author-id7006042884
person.identifier.scopus-author-id33568138000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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