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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: The influence of ecological and geographical context in the radiation of Neotropical sigmodontine rodents

Fig. 3

Diversification rate shifts retrieved from MEDUSA and BAMM. MEDUSA analyses were conducted using 6000 trees randomly selected from the posterior distribution found with BEAST, pruned to a backbone tree representing genera. Horizontal bars illustrate the species richness of each genus. Node numbers and circles at nodes indicate the inferred position of rate shift increases; numbers correspond to those of Additional file 5: Table S5; circles are scaled according to the proportion of 6000 sampled trees in which the shift was detected. Branches are color coded according to the magnitude of each rate shift, averaged on 6000 trees, from that of the background diversification rate. According to BAMM, the 95 % credible set of distinct shift configurations identified 4 distinct scenarios: no shift (PP = 0.86) and shifts within Calomys (PP = 0.042) and the branches leading to the Akodon (PP = 0.032) and Bibimys (PP = 0.031) clades. These taxa labels are highlighted in yellow.

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