Title |
Global climate changes drive ecological specialization of mammal faunas: trends in rodent assemblages from the Iberian Plio-Pleistocene
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Published in |
BMC Ecology and Evolution, April 2013
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DOI | 10.1186/1471-2148-13-94 |
Pubmed ID | |
Authors |
Ana R Gómez Cano, Juan L Cantalapiedra, Aurora Mesa, Ana Moreno Bofarull, Manuel Hernández Fernández |
Abstract |
Several macroevolutionary hypotheses propose a synchrony between climatic changes and variations in the structure of faunal communities. Some of them focus on the importance of the species ecological specialization because of its effects on evolutionary processes and the resultant patterns. Particularly, Vrba's turnover pulse hypothesis and resource-use hypothesis revolve around the importance of biome inhabitation. In order to test these hypotheses, we used the Biomic Specialization Index, which is based on the number of biomes occupied by each species, and evaluated the changes in the relative importance of generalist and specialist rodents in more than forty fossil sites from the Iberian Plio-Pleistocene. |
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