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dc.contributor.author
Frugone, María José
dc.contributor.author
Cole, Theresa L.
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López, María Eugenia
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Clucas, Gemma
dc.contributor.author
Matos Maraví, Pável
dc.contributor.author
Lois, Nicolás Alejandro
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dc.contributor.author
Pistorius, Pierre
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Bonadonna, Francesco
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Trathan, Phil
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Polanowski, Andrea
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Wienecke, Barbara
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Raya Rey, Andrea Nélida
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Pütz, Klemens
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Steinfurth, Antje
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Bi, Ke
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Wang Claypool, Cynthia Y.
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Waters, Jonathan M.
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Bowie, Rauri C. K.
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Poulin, Elie
dc.contributor.author
Vianna, Juliana A.
dc.date.available
2022-12-28T13:30:13Z
dc.date.issued
2021-11
dc.identifier.citation
Frugone, María José; Cole, Theresa L.; López, María Eugenia; Clucas, Gemma; Matos Maraví, Pável; et al.; Taxonomy based on limited genomic markers may underestimate species diversity of rockhopper penguins and threaten their conservation; Wiley Blackwell Publishing, Inc; Diversity and Distributions; 27; 11; 11-2021; 2277-2296
dc.identifier.issn
1366-9516
dc.identifier.uri
http://hdl.handle.net/11336/182679
dc.description.abstract
Aim: Delimiting recently diverged species is challenging. During speciation, genetic differentiation may be distributed unevenly across the genome, as different genomic regions can be subject to different selective pressures and evolutionary histories. Reliance on limited numbers of genetic markers that may be underpowered can make species delimitation even more challenging, potentially resulting in taxonomic inconsistencies. Rockhopper penguins of the genus Eudyptes comprise three broadly recognized taxa: northern (E. moseleyi), southern (E. chrysocome) and eastern rockhopper (E. filholi). Their taxonomic status has been controversial for decades, with researchers disagreeing about whether E. chrysocome and E. filholi are distinct species or conspecific. Our goal is to evaluate genome-wide patterns of divergence to evaluate genetic differentiation and species delimitation in rockhopper penguins, and to assess which mechanisms may underlie previous discordance among nuclear versus mitochondrial analyses. Location: Sub-Antarctic and temperate coastal regions of the Southern Hemisphere. Methods: We generated reduced-representation genomic libraries using double digest restriction-site associated DNA (ddRAD) sequencing to evaluate genetic differentiation, contemporary migration rates and admixture among colonies of rockhopper penguins. Results: The extent of genetic differentiation among the three taxa was consistently higher than population-level genetic differentiation found within these and other penguin species. There was no evidence of admixture among the three taxa, suggesting the absence of ongoing gene flow among them. Species delimitation analyses based on molecular data, along with other lines of evidence, provide strong support for the taxonomic distinction of three species of rockhopper penguins. Main conclusions: Our results provide strong support for the existence of three distinct species of rockhopper penguins. The recognition of this taxonomic diversity is crucial for the management and conservation of this widely distributed species group. This study illustrates that widespread dispersive seabird lineages lacking obvious morphological differences may nevertheless have complex evolutionary histories and comprise cryptic species diversity.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
EUDYPTES
dc.subject
GENOMICS
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ROCKHOPPER PENGUINS
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SPECIES DELIMITATION
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Genética y Herencia
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dc.subject.classification
Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
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Conservación de la Biodiversidad
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.subject.classification
Zoología, Ornitología, Entomología, Etología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Taxonomy based on limited genomic markers may underestimate species diversity of rockhopper penguins and threaten their conservation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-28T16:28:39Z
dc.journal.volume
27
dc.journal.number
11
dc.journal.pagination
2277-2296
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Frugone, María José. Universidad de Chile; Chile
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Fil: Cole, Theresa L.. Universidad de Copenhagen; Dinamarca
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Fil: López, María Eugenia. Swedish University of Agricultural Sciences; Suecia
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Fil: Clucas, Gemma. Cornell University; Estados Unidos
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Fil: Matos Maraví, Pável. Biology Centre of the Czech Academy of Sciences; República Checa
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Fil: Lois, Nicolás Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina
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Fil: Pistorius, Pierre. Nelson Mandela University; Sudáfrica
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Fil: Bonadonna, Francesco. Université Montpellier II; Francia
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Fil: Trathan, Phil. No especifíca;
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Fil: Polanowski, Andrea. No especifíca;
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Fil: Wienecke, Barbara. No especifíca;
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Fil: Raya Rey, Andrea Nélida. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
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Fil: Pütz, Klemens. No especifíca;
dc.description.fil
Fil: Steinfurth, Antje. University of Cape Town; Sudáfrica
dc.description.fil
Fil: Bi, Ke. University of California at Berkeley; Estados Unidos
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Fil: Wang Claypool, Cynthia Y.. University of California at Berkeley; Estados Unidos
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Fil: Waters, Jonathan M.. University of Otago; Nueva Zelanda
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Fil: Bowie, Rauri C. K.. University of California at Berkeley; Estados Unidos
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Fil: Poulin, Elie. Universidad de Chile; Chile
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Fil: Vianna, Juliana A.. Pontificia Universidad Católica de Chile; Chile. Universidad Católica de Chile; Chile
dc.journal.title
Diversity and Distributions
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/ddi.13399
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