Distribution of Ophioglossum reticulatum L. in South America. A case of long-distance jump dispersal?

Mostrar todas las versiones(2)

The objective of this exploratory work is to test the hypothesis that South American populations of Ophioglossum reticulatum L. derive from Africa. Spores cross the Atlantic transported by wind and arrive in South America in recurrent migration. Three-dimensional (backward and forward) trajectories...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Meza Torres, Esteban I., Cerne, Bibiana, Ulke, Ana G., Morbelli, Marta Alicia
Formato: Articulo
Lenguaje:Inglés
Publicado: 2015
Materias:
Ciencias Naturales
Jump dispersal
Recurrent migration
Disseminules
Ferns
Monsoon
Low-level jet
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/138486
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-138486
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Naturales
Jump dispersal
Recurrent migration
Disseminules
Ferns
Monsoon
Low-level jet
spellingShingle Ciencias Naturales
Jump dispersal
Recurrent migration
Disseminules
Ferns
Monsoon
Low-level jet
Meza Torres, Esteban I.
Cerne, Bibiana
Ulke, Ana G.
Morbelli, Marta Alicia
Distribution of Ophioglossum reticulatum L. in South America. A case of long-distance jump dispersal?
topic_facet Ciencias Naturales
Jump dispersal
Recurrent migration
Disseminules
Ferns
Monsoon
Low-level jet
description The objective of this exploratory work is to test the hypothesis that South American populations of Ophioglossum reticulatum L. derive from Africa. Spores cross the Atlantic transported by wind and arrive in South America in recurrent migration. Three-dimensional (backward and forward) trajectories of spores between Africa and South America were calculated using the Hybrid Single Particle Lagrangian Integrated Trajectory Model (HYSPLIT4). The model showed possible backward trajectories in the low troposphere arriving in South America with probable origin in Northwestern Africa. The results support the hypothesis of long-distance dispersal of the studied species. Including vertical motion in the model runs allowed obtaining valuable and novel information about the migration routes. The trade winds combined with the South American monsoon could be a dispersal vehicle for the disseminules from Northwestern Africa to the eastern slopes of the Andes. As the monsoon is a periodic regional atmospheric circulation pattern, transcontinental migration can be assumed to be a recurring phenomenon that provides genetic exchange and prevents speciation by reproductive isolation. Modelled forward trajectories connect the neotropics with Africa-Madagascar, but they seem to be less effective due to their travelling altitudes. This hypothesis might explain the absence of infraspecific taxa restricted to different geographic locations.
format Articulo
Articulo
author Meza Torres, Esteban I.
Cerne, Bibiana
Ulke, Ana G.
Morbelli, Marta Alicia
author_facet Meza Torres, Esteban I.
Cerne, Bibiana
Ulke, Ana G.
Morbelli, Marta Alicia
author_sort Meza Torres, Esteban I.
title Distribution of Ophioglossum reticulatum L. in South America. A case of long-distance jump dispersal?
title_short Distribution of Ophioglossum reticulatum L. in South America. A case of long-distance jump dispersal?
title_full Distribution of Ophioglossum reticulatum L. in South America. A case of long-distance jump dispersal?
title_fullStr Distribution of Ophioglossum reticulatum L. in South America. A case of long-distance jump dispersal?
title_full_unstemmed Distribution of Ophioglossum reticulatum L. in South America. A case of long-distance jump dispersal?
title_sort distribution of ophioglossum reticulatum l. in south america. a case of long-distance jump dispersal?
publishDate 2015
url http://sedici.unlp.edu.ar/handle/10915/138486
work_keys_str_mv AT mezatorresestebani distributionofophioglossumreticulatumlinsouthamericaacaseoflongdistancejumpdispersal
AT cernebibiana distributionofophioglossumreticulatumlinsouthamericaacaseoflongdistancejumpdispersal
AT ulkeanag distributionofophioglossumreticulatumlinsouthamericaacaseoflongdistancejumpdispersal
AT morbellimartaalicia distributionofophioglossumreticulatumlinsouthamericaacaseoflongdistancejumpdispersal
bdutipo_str Repositorios
_version_ 1764820457324806145

Ejemplares similares