Phylogenetic fields through time: temporal dynamics of geographical co-occurrence and phylogenetic structure within species ranges
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2016
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Resumo
Species co-occur with different sets of other species across their geographical
distribution, which can be either closely or distantly related. Such co-occurrence
patterns and their phylogenetic structure within individual species ranges
represent what we call the species phylogenetic fields (PFs). These PFs allow
investigation of the role of historical processes—speciation, extinction
and dispersal—in shaping species co-occurrence patterns, in both extinct and
extant species. Here, we investigate PFs of large mammalian species during
the last 3 Myr, and how these correlate with trends in diversification rates.
Using the fossil record, we evaluate species’ distributional and co-occurrence
patterns along with their phylogenetic structure. We apply a novel Bayesian
framework on fossil occurrences to estimate diversification rates through
time. Our findings highlight the effect of evolutionary processes and past
climatic changes on species’ distributions and co-occurrences. From the Late
Pliocene to the Recent, mammal species seem to have responded in an individualistic manner to climate changes and diversification dynamics, co-occurring
with different sets of species from different lineages across their geographical
ranges. These findings stress the difficulty of forecasting potential effects of
future climate changes on biodiversity.
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Fossil mammals, Species co-occurrence, Historical processes, Phylogenetic fields, Palaeo-macroecology
Citação
VILLALOBOS, Fabricio et al. Phylogenetic fields through time: temporal dynamics of geographical co-occurrence and phylogenetic structure within species ranges. Philosophical Transactions B, London, v. 371, n. 1691, e 20150220, 2016. DOI: 10.1098/rstb.2015.0220 . Disponível em: https://royalsocietypublishing.org/doi/10.1098/rstb.2015.0220. Acesso em: 16 jun. 2023.