Evolutionary Model of Species Body Mass Diversification

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dc.creatorClauset, Aaron
dc.creatorRedner, Sidney
dc.date2008-08-29
dc.date2009-01-22
dc.date.accessioned2026-07-07T12:32:21Z
dc.date.available2026-07-07T12:32:21Z
dc.descriptionWe present a quantitative model for the biological evolution of species body masses within large groups of related species, e.g., terrestrial mammals, in which body mass M evolves according to branching (speciation), multiplicative diffusion, and an extinction probability that increases logarithmically with mass. We describe this evolution in terms of a convection-diffusion-reaction equation for ln M. The steady-state behavior is in good agreement with empirical data on recent terrestrial mammals, and the time-dependent behavior also agrees with data on extinct mammal species between 95 - 50 Myr ago.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0808.4014
dc.identifierhttp://arxiv.org/abs/0808.4014
dc.identifierPhys. Rev. Lett. 102, 038103 (2009)
dc.identifierdoi:10.1103/PhysRevLett.102.038103
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216753
dc.subjectPopulations and Evolution
dc.subjectBiological Physics
dc.subjectData Analysis, Statistics and Probability
dc.titleEvolutionary Model of Species Body Mass Diversification
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