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

2016Journal article Restricted 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.
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.accessioned2018-06-06T15:06:31Z
dc.date.available2018-06-06T15:06:31Z
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.en
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., Birks, H.J.B., Borges, P.A.V., Cardoso, P., Chou, C-H., Sanctis, M. De, Duarte, M.C., Elias, R.B., Fernández-Palacios, J.M., Gabriel, R., Gereau, R., Gillespie, R.G., Greimler, J., Harter, D.E.V., Huang, T-J., Irl, S.D.H., Jeanmonod, D., Jentsch, A., Jump, A.S., Kueffer, C., Nogué, S., Otto, R., Price, J., Romeiras, M.M., Strasberg, D., Stuessy, T., Vetaas, O.R. & Beierkuhnlein, C. (2016). Topography-driven isolation, speciation and a global increase of endemism with elevation. "Global Ecology and Biogeography", 25(9): 1097–1107. DOI:10.1111/geb.12469pt_PT
dc.identifier.doi10.1111/geb.12469pt_PT
dc.identifier.issn1466-8238
dc.identifier.urihttp://hdl.handle.net/10400.3/4716
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherJohn Wiley and Sonspt_PT
dc.subjectAltitudept_PT
dc.subjectBiogeographical Processesen
dc.subjectDiversityen
dc.subjectEcological Mechanismsen
dc.subjectEndemismen
dc.subjectGlobal Relationshipen
dc.subjectIsolationen
dc.subjectLatitudinal Gradienten
dc.subjectMixedeffects Modelsen
dc.subjectSky Islandsen
dc.titleTopography-driven isolation, speciation and a global increase of endemism with elevationen
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.issue(9)pt_PT
oaire.citation.startPage1097pt_PT
oaire.citation.titleGlobal Ecology and Biogeographypt_PT
oaire.citation.volume25pt_PT
oaire.fundingStream3599-PPCDT
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication50b5e3f4-e3f8-4931-a5db-3efea9ac7f98
relation.isProjectOfPublication.latestForDiscovery50b5e3f4-e3f8-4931-a5db-3efea9ac7f98

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