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Title

Wind as a Long-distance Dispersal Vehicle in the Southern Hemisphere

AuthorsMuñoz, Jesús CSIC ORCID; Felicísimo, Ángel M.; Cabezas, Francisco CSIC ORCID; Burgaz, Ana Rosa; Martínez Castro, Isabel
KeywordsWind
Dispersal Vehicle
Southern Hemisphere
Issue Date21-May-2004
PublisherAmerican Association for the Advancement of Science
CitationScience 304 (5674): 1144-1147 (2004)
AbstractAnisotropic (direction-dependent) long-distance dispersal (LDD) by wind has been invoked to explain the strong floristic affinities shared among landmasses in the Southern Hemisphere. Its contribution has not yet been systematically tested because of the previous lack of global data on winds.Weused global winds coverage from the National Aeronautics and Space Administration SeaWinds scatterometer to test whether floristic similarities of Southern Hemisphere moss, liverwort, lichen, and pteridophyte floras conform better with (i) the anisotropic LDD hypothesis, which predicts that connection by “wind highways” increases floristic similarities, or (ii) a direction-independent LDD hypothesis, which predicts that floristic similarities among sites increase with geographic proximity. We found a stronger correlation of floristic similarities with wind connectivity than with geographic proximities, which supports the idea that wind is a dispersal vehicle for many organisms in the Southern Hemisphere.
Publisher version (URL)http://dx.doi.org/10.1126/science.1095210
URIhttp://hdl.handle.net/10261/17564
DOI10.1126/science.1095210
ISSN0036-8075
Appears in Collections:(RJB) Artículos

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