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Topography-driven isolation, speciation and a global increase of endemism with elevation

2016Journal article Open access
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dc.contributor.authorSteinbauer, Manuel J.
dc.contributor.authorField, Richard
dc.contributor.authorGrytnes, John-Arvid
dc.contributor.authorTrigas, Panayiotis
dc.contributor.authorAh-Peng, Claudine
dc.contributor.authorAttorre, Fabio
dc.contributor.authorBirks, H. John B.
dc.contributor.authorBorges, Paulo A. V.
dc.contributor.authorCardoso, Pedro
dc.contributor.authorChou, Chang-Hung
dc.contributor.authorDe Sanctis, Michele
dc.contributor.authorSequeira, Miguel M. de
dc.contributor.authorDuarte, Maria C.
dc.contributor.authorElias, Rui B.
dc.contributor.authorFernández-Palacios, José María
dc.contributor.authorGabriel, Rosalina
dc.contributor.authorGereau, Roy E.
dc.contributor.authorGillespie, Rosemary G.
dc.contributor.authorGreimler, Josef
dc.contributor.authorHarter, David E. V.
dc.contributor.authorHuang, Tsurng-Juhn
dc.contributor.authorIrl, Severin D. H.
dc.contributor.authorJeanmonod, Daniel
dc.contributor.authorJentsch, Anke
dc.contributor.authorJump, Alistair S.
dc.contributor.authorKueffer, Christoph
dc.contributor.authorNogué, Sandra
dc.contributor.authorOtto, Rüdiger
dc.contributor.authorPrice, Jonathan
dc.contributor.authorRomeiras, Maria M.
dc.contributor.authorStrasberg, Dominique
dc.contributor.authorStuessy, Tod
dc.contributor.authorSvenning, Jens-Christian
dc.contributor.authorVetaas, Ole R.
dc.contributor.authorBeierkuhnlein, Carl
dc.date.accessioned2022-03-28T15:01:00Z
dc.date.available2022-03-28T15:01:00Z
dc.date.issued2016
dc.description.abstractAim Higher-elevation areas on islands and continental mountains tend to be separated by longer distances, predicting higher endemism at higher elevations; our study is the first to test the generality of the predicted pattern. We also compare it empirically with contrasting expectations from hypotheses invoking higher speciation with area, temperature and species richness. Location Thirty-two insular and 18 continental elevational gradients from around the world. Methods We compiled entire floras with elevation-specific occurrence information, and calculated the proportion of native species that are endemic (‘percent endemism’) in 100-m bands, for each of the 50 elevational gradients. Using generalized linear models, we tested the relationships between percent endemism and elevation, isolation, temperature, area and species richness. Results Percent endemism consistently increased monotonically with elevation, globally. This was independent of richness–elevation relationships, which had varying shapes but decreased with elevation at high elevations. The endemism–elevation relationships were consistent with isolation-related predictions, but inconsistent with hypotheses related to area, richness and temperature. Main conclusions Higher per-species speciation rates caused by increasing isolation with elevation are the most plausible and parsimonious explanation for the globally consistent pattern of higher endemism at higher elevations that we identify. We suggest that topography-driven isolation increases speciation rates in mountainous areas, across all elevations and increasingly towards the equator. If so, it represents a mechanism that may contribute to generating latitudinal diversity gradients in a way that is consistent with both present-day and palaeontological evidence.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSteinbauer, M. J., Field, R., Grytnes, J. A., Trigas, P., Ah‐Peng, C., Attorre, F., ... & Beierkuhnlein, C. (2016). Topography‐driven isolation, speciation and a global increase of endemism with elevation. Global Ecology and Biogeography, 25(9), 1097-1107. https://doi.org/10.1111/geb.12469pt_PT
dc.identifier.doi10.1111/geb.12469pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/4192
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectAltitudept_PT
dc.subjectBiogeographical processespt_PT
dc.subjectDiversitypt_PT
dc.subjectEcological mechanismspt_PT
dc.subjectEndemismpt_PT
dc.subjectGlobal relationshippt_PT
dc.subjectIsolationpt_PT
dc.subjectLatitudinal gradientpt_PT
dc.subjectMixed effects modelspt_PT
dc.subjectSky islandspt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleTopography-driven isolation, speciation and a global increase of endemism with elevationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FBIA-BIC%2F4113%2F2012/PT
oaire.citation.endPage1107pt_PT
oaire.citation.issue9pt_PT
oaire.citation.startPage1097pt_PT
oaire.citation.titleGlobal Ecology and Biogeographypt_PT
oaire.citation.volume25pt_PT
oaire.fundingStream3599-PPCDT
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person.familyNameGabriel
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person.givenNameMiguel
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person.givenNameJosé María
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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