English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/168329
COMPARTIR / IMPACTO:
Estadísticas
logo share SHARE   Add this article to your Mendeley library MendeleyBASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:
Título

Two independent dispersals to the Southern Hemisphere to become the most widespread bipolar Carex species: biogeography of C. canescens (Cyperaceae)

AutorVillaverde, Tamara; Escudero, Marcial; Martín Bravo, Santiago; Luceño, Modesto
Palabras claveAustralia
Climatic niche
Disjunction
Divergence time estimation
Glareosae
Long-distance dispersal
South America.
Fecha de publicación2017
EditorAcademic Press
CitaciónBotanical Journal of the Linnean Society 183 (3) : p. 360–372 (2017)
ResumenAbout 30 plant species occur at high latitudes in both hemispheres, thus achieving a so-called bipolar distribution. Six of these species belong to Carex, of which just one, Carex canescens, occurs on two different landmasses in the Southern Hemisphere (South America and Oceania). The goals of this study are (1) to test the various hypotheses accounting for the bipolar disjunction of C. canescens and (2) to elucidate if C. canescens migrated twice from the Northern Hemisphere to the Southern Hemisphere or if it dispersed from South America to Oceania (or vice versa). We obtained and analysed DNA sequences from the nuclear internal and external transcribed spacers (ITS and ETS) and from the plastid 5′ trnK and rps16 introns from 57 populations of C. canescens spanning its bipolar range. We characterized the species distribution climatically by adding 1995 presence data points from the Global Biodiversity Information Facility. Our results suggest a Northern Hemisphere origin of C. canescens during the Pleistocene and two independent long distance-dispersal events to South America and Australia, by either direct dispersal or mountain-hopping. Long-distance dispersal appears to be the most widespread process resulting in the bipolar distribution of Carex spp.
Versión del editorhttps://watermark.silverchair.com/bow011.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAbowggG2BgkqhkiG9w0BBwagggGnMIIBowIBADCCAZwGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMkAdbvZD7DuB6hFk6AgEQgIIBbd-IsSWz6QMpqvKTykm_v6lJPz58HVnNxbPF3T0wClG_YxTaQDyUDMFIiYHCxlBYeNEfrY74m8lTlmAl3Js6j0ehAzPKC9pxdOKP2JrwtgMC9PWQSGO9OO2hHELiBfVMYwtW61bJC5GMxMzv-mOvBpVH7MOJ7VcBYIEVBG2wshFR6QeaRARG-Fp3jRGZQOphJGHFaEoGRFEZr0j11jnDpycRL74rIiBMFZDg75cuqcRUqFJ6VkV0Ww0-j05grvToENrzowngGuK3RxK8ZDoCTb2Up7JZA3qLP7WvLsjQEj7AKqIT66QWNIMd7i3BAoBxJLhX-ryH-InexVixJMu8oq5Pmt7Gf3Di0OR-mCg4RmdxhplUe_ZHMO7sTFXD-TfiRzaQzsItFzVhZ4ZBr9ORiZY9Y2YmJX4TcIkaszHPU1odjj2qBGn9muNIpTfaCks-z2NVVRU2DIxdmRFi9MWmVm-Vzgi4HkluZk9EXvXn
URIhttp://hdl.handle.net/10261/168329
E-ISSN1095-8339
Aparece en las colecciones: (RJB) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
Two independent dispersals to the Southern Hemisphere.pdf857,59 kBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo
 


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.