Niche modelling and landscape genetics of Caryocar brasiliense (“Pequi” tree: Caryocaraceae) in brazilian Cerrado: an integrative approach for evaluating central–peripheral population patterns

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dc.creatorDiniz Filho, Jose Alexandre Felizola
dc.creatorNabout, João Carlos
dc.creatorBini, Luis Mauricio
dc.creatorSoares, Thannya Nascimento
dc.creatorTelles, Mariana Pires de Campos
dc.creatorCollevatti, Rosane Garcia
dc.creatorDe Marco Júnior, Paulo
dc.date.accessioned2020-11-23T16:49:36Z
dc.date.available2020-11-23T16:49:36Z
dc.date.issued2009
dc.description.abstractComplex and integrative approaches may be necessary to understand the abundant-centre model and the patterns in genetic diversity that may be explained by this model. Here we developed an integrated framework to study spatial patterns in genetic diversity within local populations, coupling genetic data, niche modelling and landscape genetics, and applied this framework to evaluate population structure of Caryocar brasiliense, an endemic tree from the Brazilian Cerrado. We showed different geographical patterns for genetic diversity, allelic richness and inbreeding levels, estimated using microsatellite data for ten local populations. Ecological suitability was estimating by combining five niche modelling techniques. Genetic diversity tend to follow a central-periphery model and is associated with ecological variables. On the other hand, inbreeding levels may be alternatively explained by isolation processes and habitat fragmentation more related to intense recent human occupation in the southern border of the biome, or by deeper historical patterns in the origin of the populations. Although still suffering from some of the problems of central-periphery analysis (small number of local populations), our analyses show how these patterns can be better investigated and offering a better understanding of the processes structuring genetic diversity within species’ geographic ranges.pt_BR
dc.identifier.citationDINIZ-FILHO, José Alexandre F. et al. Niche modelling and landscape genetics of Caryocar brasiliensis (Pequi tree: Caryocaraceae) in brazilian Cerrado: an integrative approach for evaluating central-peripheral population patterns. Tree Genetics & Genomes, Heidelberg, v. 5, p. 617-627, 2009.pt_BR
dc.identifier.doi10.1007/s11295-009-0214-0
dc.identifier.issne- 1614-2950
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/19272
dc.language.isoengpt_BR
dc.publisher.countryAlemanhapt_BR
dc.publisher.departmentInstituto de Ciências Biológicas - ICB (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectGenetic diversitypt_BR
dc.subjectHuman impactspt_BR
dc.subjectPopulation structurept_BR
dc.subjectInbreedingpt_BR
dc.subjectNiche modellingpt_BR
dc.subjectLandscape geneticspt_BR
dc.titleNiche modelling and landscape genetics of Caryocar brasiliense (“Pequi” tree: Caryocaraceae) in brazilian Cerrado: an integrative approach for evaluating central–peripheral population patternspt_BR
dc.typeArtigopt_BR

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