Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations

Autores
Nieto Blázquez, María Esther; Quiroga, María Paula; Premoli Il'grande, Andrea Cecilia; Roncal, Julissa
Año de publicación
2021
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Aim: Hispaniola is the second largest island in the Caribbean and a hot spot of biodiversity. The island was formed by the fusion of a northern and southern palaeo-islands during the mid-Miocene (15 Ma). The historical split of Hispaniola together with repeated marine incursions during the Pleistocene is known to have influenced lineage divergence and genetic structure in a few birds and mammals, but the effect on vascular plants is less understood. The conifer genus Podocarpus has two species, P.hispaniolensis and P.buchii, that are endemic to the mountains of Hispaniola and are IUCN endangered. The former occurs in the mountains of the north, and the latter in the south, with a region of sympatry in the Cordillera Central. Here, we evaluate the historical split of the two palaeo-islands and repeated marine incursions as dispersal barriers to the geographical distribution of genetic diversity, genetic structure, divergence patterns and the historical demography of the two species. Location: Hispaniola island, Caribbean. Methods: Using genotyping-by-sequencing in 47 Podocarpus samples, we identified two sets of single nucleotide polymorphisms for our analyses (74,260 and 22,657 SNPs). We conducted a phylogenetic and an approximate Bayesian computation analysis to test evolutionary hypotheses of sympatric and allopatric speciation and stepping-stone colonization. Results: Podocarpus showed a population genetic structure that corresponds to the geographic distribution of the species. Podocarpus on Hispaniola fit a stepping-stone colonization model with bottlenecks at each mountain colonization event and speciation in Cordillera Central. Main conclusions: The historical events in question did not seem to have influenced the genetic structure, diversity or demography of Podocarpus; instead, the current geographic barriers imposed by lowland xeric valleys did. The clear divergence between species together with the elevated within-population genetic diversity and significant genetic structure calls for a multi-population in situ conservation of each species.
Fil: Nieto Blázquez, María Esther. Memorial University Of Newfoundland. Faculty Of Science; Canadá. Senckenberg Biodiversity and Climate Research Centre; Alemania
Fil: Quiroga, María Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Premoli Il'grande, Andrea Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Roncal, Julissa. Memorial University Of Newfoundland. Faculty Of Science; Canadá
Materia
DISPERSAL BARRIERS
HISPANIOLA
HISTORICAL DEMOGRAPHY
IN SITU CONSERVATION
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/183911
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendationsNieto Blázquez, María EstherQuiroga, María PaulaPremoli Il'grande, Andrea CeciliaRoncal, JulissaDISPERSAL BARRIERSHISPANIOLAHISTORICAL DEMOGRAPHYIN SITU CONSERVATIONhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Aim: Hispaniola is the second largest island in the Caribbean and a hot spot of biodiversity. The island was formed by the fusion of a northern and southern palaeo-islands during the mid-Miocene (15 Ma). The historical split of Hispaniola together with repeated marine incursions during the Pleistocene is known to have influenced lineage divergence and genetic structure in a few birds and mammals, but the effect on vascular plants is less understood. The conifer genus Podocarpus has two species, P.hispaniolensis and P.buchii, that are endemic to the mountains of Hispaniola and are IUCN endangered. The former occurs in the mountains of the north, and the latter in the south, with a region of sympatry in the Cordillera Central. Here, we evaluate the historical split of the two palaeo-islands and repeated marine incursions as dispersal barriers to the geographical distribution of genetic diversity, genetic structure, divergence patterns and the historical demography of the two species. Location: Hispaniola island, Caribbean. Methods: Using genotyping-by-sequencing in 47 Podocarpus samples, we identified two sets of single nucleotide polymorphisms for our analyses (74,260 and 22,657 SNPs). We conducted a phylogenetic and an approximate Bayesian computation analysis to test evolutionary hypotheses of sympatric and allopatric speciation and stepping-stone colonization. Results: Podocarpus showed a population genetic structure that corresponds to the geographic distribution of the species. Podocarpus on Hispaniola fit a stepping-stone colonization model with bottlenecks at each mountain colonization event and speciation in Cordillera Central. Main conclusions: The historical events in question did not seem to have influenced the genetic structure, diversity or demography of Podocarpus; instead, the current geographic barriers imposed by lowland xeric valleys did. The clear divergence between species together with the elevated within-population genetic diversity and significant genetic structure calls for a multi-population in situ conservation of each species.Fil: Nieto Blázquez, María Esther. Memorial University Of Newfoundland. Faculty Of Science; Canadá. Senckenberg Biodiversity and Climate Research Centre; AlemaniaFil: Quiroga, María Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Premoli Il'grande, Andrea Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Roncal, Julissa. Memorial University Of Newfoundland. Faculty Of Science; CanadáWiley Blackwell Publishing, Inc2021-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/183911Nieto Blázquez, María Esther; Quiroga, María Paula; Premoli Il'grande, Andrea Cecilia; Roncal, Julissa; Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations; Wiley Blackwell Publishing, Inc; Diversity and Distributions; 28; 2; 12-2021; 214-2261366-9516CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/ddi.13444info:eu-repo/semantics/altIdentifier/doi/10.1111/ddi.13444info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:00:17Zoai:ri.conicet.gov.ar:11336/183911instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:00:18.159CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
title Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
spellingShingle Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
Nieto Blázquez, María Esther
DISPERSAL BARRIERS
HISPANIOLA
HISTORICAL DEMOGRAPHY
IN SITU CONSERVATION
title_short Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
title_full Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
title_fullStr Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
title_full_unstemmed Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
title_sort Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations
dc.creator.none.fl_str_mv Nieto Blázquez, María Esther
Quiroga, María Paula
Premoli Il'grande, Andrea Cecilia
Roncal, Julissa
author Nieto Blázquez, María Esther
author_facet Nieto Blázquez, María Esther
Quiroga, María Paula
Premoli Il'grande, Andrea Cecilia
Roncal, Julissa
author_role author
author2 Quiroga, María Paula
Premoli Il'grande, Andrea Cecilia
Roncal, Julissa
author2_role author
author
author
dc.subject.none.fl_str_mv DISPERSAL BARRIERS
HISPANIOLA
HISTORICAL DEMOGRAPHY
IN SITU CONSERVATION
topic DISPERSAL BARRIERS
HISPANIOLA
HISTORICAL DEMOGRAPHY
IN SITU CONSERVATION
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Aim: Hispaniola is the second largest island in the Caribbean and a hot spot of biodiversity. The island was formed by the fusion of a northern and southern palaeo-islands during the mid-Miocene (15 Ma). The historical split of Hispaniola together with repeated marine incursions during the Pleistocene is known to have influenced lineage divergence and genetic structure in a few birds and mammals, but the effect on vascular plants is less understood. The conifer genus Podocarpus has two species, P.hispaniolensis and P.buchii, that are endemic to the mountains of Hispaniola and are IUCN endangered. The former occurs in the mountains of the north, and the latter in the south, with a region of sympatry in the Cordillera Central. Here, we evaluate the historical split of the two palaeo-islands and repeated marine incursions as dispersal barriers to the geographical distribution of genetic diversity, genetic structure, divergence patterns and the historical demography of the two species. Location: Hispaniola island, Caribbean. Methods: Using genotyping-by-sequencing in 47 Podocarpus samples, we identified two sets of single nucleotide polymorphisms for our analyses (74,260 and 22,657 SNPs). We conducted a phylogenetic and an approximate Bayesian computation analysis to test evolutionary hypotheses of sympatric and allopatric speciation and stepping-stone colonization. Results: Podocarpus showed a population genetic structure that corresponds to the geographic distribution of the species. Podocarpus on Hispaniola fit a stepping-stone colonization model with bottlenecks at each mountain colonization event and speciation in Cordillera Central. Main conclusions: The historical events in question did not seem to have influenced the genetic structure, diversity or demography of Podocarpus; instead, the current geographic barriers imposed by lowland xeric valleys did. The clear divergence between species together with the elevated within-population genetic diversity and significant genetic structure calls for a multi-population in situ conservation of each species.
Fil: Nieto Blázquez, María Esther. Memorial University Of Newfoundland. Faculty Of Science; Canadá. Senckenberg Biodiversity and Climate Research Centre; Alemania
Fil: Quiroga, María Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Premoli Il'grande, Andrea Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Roncal, Julissa. Memorial University Of Newfoundland. Faculty Of Science; Canadá
description Aim: Hispaniola is the second largest island in the Caribbean and a hot spot of biodiversity. The island was formed by the fusion of a northern and southern palaeo-islands during the mid-Miocene (15 Ma). The historical split of Hispaniola together with repeated marine incursions during the Pleistocene is known to have influenced lineage divergence and genetic structure in a few birds and mammals, but the effect on vascular plants is less understood. The conifer genus Podocarpus has two species, P.hispaniolensis and P.buchii, that are endemic to the mountains of Hispaniola and are IUCN endangered. The former occurs in the mountains of the north, and the latter in the south, with a region of sympatry in the Cordillera Central. Here, we evaluate the historical split of the two palaeo-islands and repeated marine incursions as dispersal barriers to the geographical distribution of genetic diversity, genetic structure, divergence patterns and the historical demography of the two species. Location: Hispaniola island, Caribbean. Methods: Using genotyping-by-sequencing in 47 Podocarpus samples, we identified two sets of single nucleotide polymorphisms for our analyses (74,260 and 22,657 SNPs). We conducted a phylogenetic and an approximate Bayesian computation analysis to test evolutionary hypotheses of sympatric and allopatric speciation and stepping-stone colonization. Results: Podocarpus showed a population genetic structure that corresponds to the geographic distribution of the species. Podocarpus on Hispaniola fit a stepping-stone colonization model with bottlenecks at each mountain colonization event and speciation in Cordillera Central. Main conclusions: The historical events in question did not seem to have influenced the genetic structure, diversity or demography of Podocarpus; instead, the current geographic barriers imposed by lowland xeric valleys did. The clear divergence between species together with the elevated within-population genetic diversity and significant genetic structure calls for a multi-population in situ conservation of each species.
publishDate 2021
dc.date.none.fl_str_mv 2021-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/183911
Nieto Blázquez, María Esther; Quiroga, María Paula; Premoli Il'grande, Andrea Cecilia; Roncal, Julissa; Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations; Wiley Blackwell Publishing, Inc; Diversity and Distributions; 28; 2; 12-2021; 214-226
1366-9516
CONICET Digital
CONICET
url http://hdl.handle.net/11336/183911
identifier_str_mv Nieto Blázquez, María Esther; Quiroga, María Paula; Premoli Il'grande, Andrea Cecilia; Roncal, Julissa; Podocarpus in the palaeogeographically complex island of Hispaniola: A stepping-stone colonization and conservation recommendations; Wiley Blackwell Publishing, Inc; Diversity and Distributions; 28; 2; 12-2021; 214-226
1366-9516
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/ddi.13444
info:eu-repo/semantics/altIdentifier/doi/10.1111/ddi.13444
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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