Repository logo
 
Publication

Trophic ecology of common bottlenose dolphins in a pelagic insular environment inferred by stable isotopes

2023Journal article Open access
Simple item page
dc.contributor.authorDias, Ester
dc.contributor.authorDromby, Morgane
dc.contributor.authorFerreira, Rita
dc.contributor.authorGil, Ágatha
dc.contributor.authorTejerina, Raquel
dc.contributor.authorCastro, L. Filipe C.
dc.contributor.authorRosso, Massimiliano
dc.contributor.authorSousa-Pinto, Isabel
dc.contributor.authorHoffman, Joel C.
dc.contributor.authorTeodosio, Maria
dc.contributor.authorDinis, Ana
dc.contributor.authorAlves, Filipe
dc.date.accessioned2023-09-18T12:53:32Z
dc.date.available2023-09-18T12:53:32Z
dc.date.issued2023
dc.description.abstractThe common bottlenose dolphin (Tursiops truncatus) is a top marine predator widely dispersed in coastal and pelagic habitats and with a generalist feeding behavior. Yet, information on the trophic ecology of animals inhabiting pelagic environments is still scarce. Using carbon (& delta;C-13: C-13/C-12) and nitrogen (& delta;N-15: N-15/N-14) stable isotope ratios, we identified and quantified the main groups of prey assimilated by bottlenose dolphins inhabiting an oceanic habitat (Madeira Island, East Atlantic). Bottlenose dolphins assimilated pelagic, schooling fish (such as blue jack mackerel, Trachurus picturatus) and mesopelagic and demersal squids, which reinforces the pelagic dietary composition of insular/oceanic dolphins. Also, intra-seasonal differences were found in their stable isotope ratios, which suggest intraspecific variability in the feeding behavior among individuals living in the same area. Sex was not the main factor contributing to these differences, suggesting the lack of trophic niche segregation between adult males and females in this offshore environment. Nonetheless, further studies including different life stages and information on the ecophysiological requirements are necessary to disclose the factors responsible for the observed variability. This study showed that insular dolphins fed primarily on economically important pelagic prey, highlighting the need of developing management strategies that integrate conservation in fisheries plans.pt_PT
dc.description.sponsorshipNORTE01-0145-FEDER-000031; M1420-01-0145-FEDER-000001-OOM; LA/P/0069/2020; M1420-09-5369-FSE-000002pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s10750-023-05294-4pt_PT
dc.identifier.issn0018-8158
dc.identifier.urihttp://hdl.handle.net/10400.1/19996
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationMarine and Environmental Sciences Centre
dc.relationInterdisciplinary Centre of Marine and Environmental Research
dc.relationPopulation ecology, biogeography and health status of sperm whales Physeter macrocephalus in a warm-temperate habitat
dc.relationModelling shiftsnin cetacean distribution under future scenarios of climate change in the Eastern North Atlantic provisório
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectForagingpt_PT
dc.subjectIntrapopulation variabilitypt_PT
dc.subjectOceanic habitatpt_PT
dc.subjectTop predatorpt_PT
dc.subjectMarine mammalpt_PT
dc.subjectMacaronesia regionpt_PT
dc.titleTrophic ecology of common bottlenose dolphins in a pelagic insular environment inferred by stable isotopespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardTitleInterdisciplinary Centre of Marine and Environmental Research
oaire.awardTitlePopulation ecology, biogeography and health status of sperm whales Physeter macrocephalus in a warm-temperate habitat
oaire.awardTitleModelling shiftsnin cetacean distribution under future scenarios of climate change in the Eastern North Atlantic provisório
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04292%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04423%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F147225%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//PD%2FBD%2F150603%2F2020/PT
oaire.citation.titleHydrobiologiapt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameDromby
person.familyNameTeodosio
person.givenNameMorgane
person.givenNameMaria
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.orcid0000-0002-3299-5212
person.identifier.orcid0000-0002-0939-9885
person.identifier.ridB-5077-2013
person.identifier.scopus-author-id56196396700
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.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationf623f2f7-caed-44f9-93c5-eee57b4897a3
relation.isAuthorOfPublicationb39b2d6d-d6f5-4130-a9b9-4e7624d44676
relation.isAuthorOfPublication.latestForDiscoveryb39b2d6d-d6f5-4130-a9b9-4e7624d44676
relation.isProjectOfPublication61d0bac5-8f85-40c7-ac39-0fb64c5ff771
relation.isProjectOfPublicationb2e68640-2978-4601-a400-c2eb842438da
relation.isProjectOfPublication9b2ab21d-08ea-4bcf-9448-2fd60cc138b1
relation.isProjectOfPublication78f02644-607c-46c6-b2a1-97cbab912090
relation.isProjectOfPublication.latestForDiscovery61d0bac5-8f85-40c7-ac39-0fb64c5ff771

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
s10750-023-05294-4.pdf
Size:
1.06 MB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
3.46 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

CCM2-Artigos (em revistas ou actas indexadas)