Patrones de rareza y prioridades de conservación en especies de Cactaceae del sur de los Andes Centrales: un estudio en los Valles Calchaquíes, Salta, Argentina
Abstract:In this study, 34 Cactaceae species from the Calchaquíes Valleys, Argentina, were studied to determine 1) species rarity level, 2) proportion of rare species among taxonomic and ecological groups and, 3) whether rareness is consistently distributed throughout the species geographical ranges. We used a model where rarity is defined by the geographic range and the local population size to define species rarity. Rareness was not concentrated in any particular taxonomic or ecological group of Cactaceae; however 28… Show more
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