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Trophic niche changes associated with the eradication of invasive mammals in an insular lizard: an assessment using isotopes

2021-05Artigo científico Acesso aberto
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dc.contributor.authorFerreira Nunes, Sara
dc.contributor.authorMota-Ferreira, Mário
dc.contributor.authorSampaio, Marta
dc.contributor.authorAndrade, Joana
dc.contributor.authorOliveira, Nuno
dc.contributor.authorSampaio e rebelo, Rui
dc.contributor.authorRocha, Ricardo
dc.date.accessioned2022-01-26T18:11:25Z
dc.date.available2022-01-26T18:11:25Z
dc.date.issued2021-05
dc.description.abstractInvasive species are a major threat to island biodiversity, and their eradications have substantially contributed to the conservation of island endemics. However, the consequences of eradications on the trophic ecology of native taxa are largely unexplored. Here, we used the eradication of invasive black rats Rattus rattus and European rabbits Oryctolagus cuniculus from the Berlenga Island, in the western coast of Portugal, as a whole-ecosystem experiment to investigate the effects of the eradication of invasive mammals on the trophic niche and body dimensions of the island-restricted Berlenga wall lizard Podarcis carbonelli berlengensis over a 2-year period. Our results suggest an expansion of the isotopic niche and an intensification of the sexual dimorphism of the lizard following mammal eradication. Additionally, we found considerable variability in isotopic niche across the island and detected evidence of sex-specific and season-modulated nutritional requirements of this threatened reptile. Our findings support that the eradication of 2 of the planets most problematic invasive vertebrates led to changes in the lizard trophic niche and sexual dimorphism in just 2 years. This suggests that the ecological pressuresfor example, prey availability and habitat structureto which lizards are exposed have substantially changed post-eradication. Our study emphasizes the scientific value of island eradications as experiments to address a wide range of ecological questions and adds to the increasing body of evidence supporting substantial conservation gains associated with these restoration interventions.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSara F Nunes, Mário Mota-Ferreira, Marta Sampaio, Joana Andrade, Nuno Oliveira, Rui Rebelo, Ricardo Rocha, Trophic niche changes associated with the eradication of invasive mammals in an insular lizard: an assessment using isotopes, Current Zoology, 2021pt_PT
dc.identifier.doi10.1093/cz/zoab038pt_PT
dc.identifier.issn1674-5507
dc.identifier.urihttp://hdl.handle.net/10451/51012
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherOxford University Presspt_PT
dc.relationFCT UID/BIA/00329/2019pt_PT
dc.relationFCT FRH/BD/95202/2013pt_PT
dc.relationARDITI M1420-09-5369-FSE-000002pt_PT
dc.relationLIFE+Berlengaspt_PT
dc.relationInterreg Europe project INVALIS (PGI05271)pt_PT
dc.relation.publisherversionhttps://academic.oup.com/cz/advance-article/doi/10.1093/cz/zoab038/6275267pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectfood-webspt_PT
dc.subjectinvasive species eradicationpt_PT
dc.subjectOryctolagus cuniculuspt_PT
dc.subjectPodarcis carbonelli berlengensispt_PT
dc.subjectRattus rattuspt_PT
dc.subjecttrophic seasonalitypt_PT
dc.titleTrophic niche changes associated with the eradication of invasive mammals in an insular lizard: an assessment using isotopespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage9pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleCurrent Zoologypt_PT
person.familyNameFerreira Nunes
person.familyNameBorges Sampaio e Rebelo
person.familyNameTeixeira Rocha
person.givenNameSara
person.givenNameRui Miguel
person.givenNameJosé Ricardo
person.identifier.ciencia-idBD10-CA17-DB7F
person.identifier.ciencia-id651A-9349-61EF
person.identifier.ciencia-id4818-1B78-57E4
person.identifier.orcid0000-0002-7765-186X
person.identifier.orcid0000-0003-2544-1470
person.identifier.orcid0000-0003-2757-7347
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication385c471d-4d99-4a17-ac30-13ec43833bb7
relation.isAuthorOfPublication621a851c-d356-4e35-857d-e6ffac529a13
relation.isAuthorOfPublication8aea3ab1-23f2-4246-87a2-e35ece2dca16
relation.isAuthorOfPublication.latestForDiscovery621a851c-d356-4e35-857d-e6ffac529a13

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