La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Taxonomic and conservation implications of ecological speciation in Nesospiza buntings on Tristan da Cunha
Auteurs :	Peter G. Ryan, Auteur
Type de document :	Article
Dans :	Bird Conservation International (18(1) MAR 2008)
Article en page(s) :	20-29
Langues:	Anglais
Résumé :	In addition to protecting species, conservation also includes the maintenance of evolutionary processes, but this aspect is often overlooked. Nesospiza buntings provide a good case study of the need to conserve evolutionary processes. They are endemic to the South Atlantic Tristan da Cunha archipelago, and traditionally have been treated as two species, with each having different subspecies on Nightingale and Inaccessible Islands. Both species are listed as Vulnerable because of their small ranges (

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