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Seahorses under a changing ocean: the impact of warming and acidification on the behaviour and physiology of a poor-swimming bony-armoured fish

2015Journal article Open access
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dc.contributor.authorFaleiro, Filipa
dc.contributor.authorBaptista, Miguel
dc.contributor.authorSantos, Catarina
dc.contributor.authorAurelio, Maria
dc.contributor.authorPimentel, Marta
dc.contributor.authorPegado, Maria Rita
dc.contributor.authorPaula, José Ricardo
dc.contributor.authorCalado, Ricardo
dc.contributor.authorRepolho, Tiago
dc.contributor.authorRosa, Rui
dc.date.accessioned2020-01-19T19:53:50Z
dc.date.available2020-01-19T19:53:50Z
dc.date.issued2015
dc.description.abstractSeahorses are currently facing great challenges in the wild, including habitat degradation and overexploitation, and how they will endure additional stress from rapid climate change has yet to be determined. Unlike most fishes, the poor swimming skills of seahorses, along with the ecological and biological constraints of their unique lifestyle, place great weight on their physiological ability to cope with climate changes. In the present study, we evaluate the effects of ocean warming (+4°C) and acidification (ΔpH = -0.5 units) on the physiological and behavioural ecology of adult temperate seahorses, Hippocampus guttulatus. Adult seahorses were found to be relatively well prepared to face future changes in ocean temperature, but not the combined effect of warming and acidification. Seahorse metabolism increased normally with warming, and behavioural and feeding responses were not significantly affected. However, during hypercapnia the seahorses exhibited signs of lethargy (i.e. reduced activity levels) combined with a reduction of feeding and ventilation rates. Nonetheless, metabolic rates were not significantly affected. Future ocean changes, particularly ocean acidification, may further threaten seahorse conservation, turning these charismatic fishes into important flagship species for global climate change issues.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1093/conphys/cov009pt_PT
dc.identifier.issn2051-1434
dc.identifier.urihttp://hdl.handle.net/10451/41120
dc.language.isoengpt_PT
dc.publisherOxford University Presspt_PT
dc.relation.publisherversionhttps://academic.oup.com/conphys/article/3/1/cov009/2571230pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAcidificationpt_PT
dc.subjectbehaviourpt_PT
dc.subjectHippocampus guttulatuspt_PT
dc.subjectmetabolismpt_PT
dc.subjectocean warmingpt_PT
dc.subjectseahorsept_PT
dc.titleSeahorses under a changing ocean: the impact of warming and acidification on the behaviour and physiology of a poor-swimming bony-armoured fishpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue1pt_PT
oaire.citation.startPagecov009pt_PT
oaire.citation.titleConservation Physiologypt_PT
oaire.citation.volume3pt_PT
person.familyNameFaleiro
person.familyNameBaptista
person.familyNameSantos
person.familyNameAurelio
person.familyNameSilva Pimentel da Silva
person.familyNamede Carvalho Godinho Macedo Pegado
person.familyNamePaula
person.familyNameRepolho
person.familyNameRosa
person.givenNameFilipa
person.givenNameMiguel
person.givenNameCatarina
person.givenNameMaria
person.givenNameMarta Cristina
person.givenNameMaria Rita
person.givenNameJosé Ricardo
person.givenNameTiago
person.givenNameRui
person.identifier725296
person.identifier430759
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person.identifier.orcid0000-0003-0379-7505
person.identifier.orcid0000-0002-1729-7256
person.identifier.orcid0000-0002-1048-8009
person.identifier.orcid0000-0003-2801-5178
person.identifier.ridI-8097-2012
person.identifier.ridO-3708-2015
person.identifier.ridH-3283-2014
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person.identifier.scopus-author-id24478576900
person.identifier.scopus-author-id57201970532
person.identifier.scopus-author-id18435367300
person.identifier.scopus-author-id7102610088
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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