Influence of continental history on the ecological specialization and macroevolutionary processes in the mammalian assemblage of South America: Differences between small and large mammals

@inproceedings{Bofarull2007InfluenceOC,
  title={Influence of continental history on the ecological specialization and macroevolutionary processes in the mammalian assemblage of South America: Differences between small and large mammals},
  author={Ana Moreno Bofarull and Ant{\'o}n Arias Royo and Manuel Hern{\'a}ndez Fern{\'a}ndez and Edgardo Ortiz-Jaureguizar and Jorge Morales},
  booktitle={BMC Evolutionary Biology},
  year={2007}
}
  • Ana Moreno Bofarull, Antón Arias Royo, +2 authors Jorge Morales
  • Published in BMC Evolutionary Biology 2007
  • Biology, Medicine
  • BackgroundThis paper tests Vrba's resource-use hypothesis, which predicts that generalist species have lower specialization and extinction rates than specialists, using the 879 species of South American mammals. We tested several predictions about this hypothesis using the biomic specialization index (BSI) for each species, which is based on its geographical range within different climate-zones. The four predictions tested are: (1) there is a high frequency of species restricted to a single… CONTINUE READING

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