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Deficit in digestive capabilities of bamboo shark early stages under climate change

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dc.contributor.authorRosa, Rui
dc.contributor.authorPimentel, Marta
dc.contributor.authorGalan, Juan
dc.contributor.authorBaptista, Miguel
dc.contributor.authorLopes, Vanessa M.
dc.contributor.authorCouto, Ana
dc.contributor.authorGuerreiro, Miguel
dc.contributor.authorSampaio, Eduardo
dc.contributor.authorCastro, Joana
dc.contributor.authorSantos, Catarina
dc.contributor.authorCalado, Ricardo
dc.contributor.authorRepolho, Tiago
dc.date.accessioned2020-01-19T21:27:52Z
dc.date.available2020-01-19T21:27:52Z
dc.date.issued2016
dc.description.abstractLittle empirical information is currently available on the potential effects of acidification and/or warming in sharks, but none exist about digestive capabilities under such future conditions. Here, we investigated the impact of both acidification (ΔpH = 0.5) and warming (+4; 30 °C) on the digestive enzyme levels of recently hatched tropical bamboo shark (Chiloscyllium punctatum). Thirty days post-hatching, juvenile sharks revealed a significant increase in pancreatic trypsin levels under warming, but also a significant decrease under acidification, namely a 42 % drop under present-day temperature and 44 % drop under the warming condition. A similar trend was recorded for the alkaline phosphatase activity in shark’s intestine, i.e. the impact of environmental hypercapnia was also quite notorious—a 50 % drop under present-day temperature and 49 % drop under the warming condition. Thus, our present findings suggest that acidification and warming acted antagonistically, leading to similar enzyme activities under present and future conditions. Future directions on this topic of research should point towards the study of other types of sharks, namely pelagic ones with quite higher energetic demands.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s00227-016-2840-zpt_PT
dc.identifier.issn0025-3162
dc.identifier.urihttp://hdl.handle.net/10451/41257
dc.language.isoengpt_PT
dc.publisherSpringerpt_PT
dc.relation.publisherversionhttps://link.springer.com/article/10.1007/s00227-016-2840-zpt_PT
dc.titleDeficit in digestive capabilities of bamboo shark early stages under climate changept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue3pt_PT
oaire.citation.startPage60pt_PT
oaire.citation.titleMarine Biologypt_PT
oaire.citation.volume163pt_PT
person.familyNameRosa
person.familyNameSilva Pimentel da Silva
person.familyNameBaptista
person.familyNameLopes
person.familyNameCouto
person.familyNameGuerreiro
person.familyNameSampaio
person.familyNameCastro
person.familyNameSantos
person.familyNameRepolho
person.givenNameRui
person.givenNameMarta Cristina
person.givenNameMiguel
person.givenNameVanessa
person.givenNameAna
person.givenNameMiguel
person.givenNameEduardo
person.givenNameJoana
person.givenNameCatarina
person.givenNameTiago
person.identifier430759
person.identifier725296
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person.identifier.orcid0000-0002-0735-9812
person.identifier.orcid0000-0002-9222-2553
person.identifier.orcid0000-0001-7689-6411
person.identifier.orcid0000-0001-6526-4291
person.identifier.orcid0000-0002-1048-8009
person.identifier.ridA-4580-2009
person.identifier.ridH-3232-2014
person.identifier.ridO-9436-2014
person.identifier.ridO-3708-2015
person.identifier.scopus-author-id7102610088
person.identifier.scopus-author-id55427467500
person.identifier.scopus-author-id57201970532
person.identifier.scopus-author-id18435367300
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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