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Rewiring of experimentally disturbed seed dispersal networks might lead to unexpected network configurations

dc.contributor.authorCosta, José M.
dc.contributor.authorRamos, Jaime
dc.contributor.authorSilva, Luís P. da
dc.contributor.authorTimóteo, Sérgio
dc.contributor.authorAndrade, Pedro
dc.contributor.authorAraújo, Pedro M.
dc.contributor.authorCarneiro, Camilo
dc.contributor.authorCorreia, Edna
dc.contributor.authorCortez, José Paulo
dc.contributor.authorFelgueiras, Marcial
dc.contributor.authorGodinho, Carlos
dc.contributor.authorLopes, Ricardo Jorge
dc.contributor.authorMatos, Cláudia
dc.contributor.authorNorte, Ana Cláudia
dc.contributor.authorPereira, Pedro F.
dc.contributor.authorRosa, António
dc.contributor.authorHeleno, Ruben H.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-01-28T11:41:31Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-01-28T11:41:31Z
dc.date.issued2018
dc.description.abstractThe consequences of species extinctions in ecological communities may be buffered through the rearrangement (rewiring) of the interactions between the remaining species. The structural and functional consequences of such extinctions can be explored by means of computer simulations that try to predict secondary extinctions and the degradation of ecosystem services. However, to improve the accuracy of these simulations, it is pivotal to evaluate their performance in predicting changes observed in natural communities. In this study, we first described the avian seed dispersal networks in 17 sites throughout Portugal, and found that blackberry (Rubus ulmifolius) was the most dispersed species in 13 out of the 17 sites. Second, we performed a manipulative experiment to evaluate the effect of removing the most dispersed plant species and compared the observed outcome in the structure of the network with computer simulations with and without rewiring. Observed changes were consistent with some rapid network rewiring, with dispersers shifting to alternative fruit species. Although the observed network topology after the experimental removal was not accurately predicted, the extinction simulation with rewiring performed considerably better than that without rewiring. Individual species roles were even harder to predict than emergent network properties on both types of models. We show that incorporating rewiring rules can considerably increase the accuracy of species extinction models, however, the functional consequences of losing important resources might not be easily anticipated, and rewiring might occur in unexpected directions.
dc.description.sponsorshipWe thank to the Portuguese ringing authority (CEMPA/ICNF) for providing ringing permits and bird rings. We also thanks to all observers that contributed to the data collection during ringing activities and to Jane Memmott for providing the code for drawing the networks. We also thank Christopher Kaiser-Bunbury and two anonymous reviewers whose comments greatly improved the manuscript. J.M.C., L.P.S., P.M.A., E.C., R.J.L., and R.H. were supported by Fundação para Ciência e Tecnologia (FCT) , and POPH/QREN/FSE (Grants: SFRH/BD/96292/2013 , SFRH/BD/77746/2011 , SFRH/BD/69238/2010 , PD/BD/52594/2014 , SFRH/BPD/84141/2012 , and IF/00441/2013 , respectively). R.H. was also supported by the Marie Curie action ( FP7-PEOPLE-2012-CIG-321794 ) and A.C.N. by FCT ( SFRH/BPD/62898/2009 ) and MARE strategic program financed by FCT ( MARE – UID/MAR/04292/2013 ). Appendix A
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationCosta, José M.; Ramos, Jaime A.; Silva, Luís P. da; Timóteo, Sérgio; Andrade, Pedro; Araújo, Pedro M.; Carneiro, Camilo; Correia, Edna; Cortez, Paulo; Felgueiras, Marcial; Godinho, Carlos; Lopes, Ricardo Jorge; Matos, Cláudia; Norte, Ana Cláudia; Pereira, Pedro F.; Rosa, António; Heleno, Ruben H. (2018) - Rewiring of experimentally disturbed seed dispersal networks might lead to unexpected network configurations. Basic and Applied Ecology. ISSN 1439-1791. 30, p. 11-22en_EN
dc.identifier.doi10.1016/j.baae.2018.05.011en_EN
dc.identifier.issn1439-1791
dc.identifier.urihttp://hdl.handle.net/10198/18533
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationECOLOGY OF LYME BORRELIOSIS: ROLE OF NATURAL BIRD POPULATIONS AS RESERVOIRS OF BORRELIA BURGDORFERI S.L. IN WESTERN EUROPE
dc.relationPROGRAMA DOUTORAL EM BIOLOGIA E ECOLOGIA DAS ALTERAÇÕES GLOBAIS - PROGRAMA DE TRABALHOS A DEFINIR ATÉ AO FINAL DO 1º ANO CONFORME FUNCIONAMENTO DO PROGRAMA DOUTORAL
dc.subjectEcological networksen_EN
dc.subjectFrugivoryen_EN
dc.subjectPasserinesen_EN
dc.subjectRubus ulmifoliusen_EN
dc.titleRewiring of experimentally disturbed seed dispersal networks might lead to unexpected network configurationsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleECOLOGY OF LYME BORRELIOSIS: ROLE OF NATURAL BIRD POPULATIONS AS RESERVOIRS OF BORRELIA BURGDORFERI S.L. IN WESTERN EUROPE
oaire.awardTitlePROGRAMA DOUTORAL EM BIOLOGIA E ECOLOGIA DAS ALTERAÇÕES GLOBAIS - PROGRAMA DE TRABALHOS A DEFINIR ATÉ AO FINAL DO 1º ANO CONFORME FUNCIONAMENTO DO PROGRAMA DOUTORAL
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F62898%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMAR%2F04292%2F2013/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F96292%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/FARH/PD%2FBD%2F52594%2F2014/PT
oaire.fundingStream5876
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person.familyNameCortez
person.givenNameJosé Paulo
person.identifier.ciencia-id571F-8E74-98F9
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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