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. 2014 Dec 2;5:420. doi: 10.3389/fgene.2014.00420

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Copyright © 2014 Hurlbert and Stegen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Output from Bayesian analysis of macroevolutionary mixtures (BAMM) analysis of four distinct diversification scenarios. (A) Pure niche conservatism, (B) energy gradient, (C) speciation gradient, and (D) disturbance gradient. Top row, extant phylogenies at t = 200 time steps (A), or t = 30,000 time steps (B–D). Branches are color coded by instantaneous estimates of speciation rate, from low (blue) to high (red). Color labels at the tips reflect the geographic region of maximum abundance for each species, from temperate regions (purple) to tropical regions (green). Bottom row, estimated median speciation rate over the time course of diversification under each scenario.