The role of clade competition in the diversification of North American canids

Proceedings of the National Academy of Sciences of the United States of America
Daniele SilvestroTiago B Quental

Abstract

The history of biodiversity is characterized by a continual replacement of branches in the tree of life. The rise and demise of these branches (clades) are ultimately determined by changes in speciation and extinction rates, often interpreted as a response to varying abiotic and biotic factors. However, understanding the relative importance of these factors remains a major challenge in evolutionary biology. Here we analyze the rich North American fossil record of the dog family Canidae and of other carnivores to tease apart the roles of competition, body size evolution, and climate change on the sequential replacement of three canid subfamilies (two of which have gone extinct). We develop a novel Bayesian analytic framework to show that competition from multiple carnivore clades successively drove the demise and replacement of the two extinct canid subfamilies by increasing their extinction rates and suppressing their speciation. Competitive effects have likely come from ecologically similar species from both canid and felid clades. These results imply that competition among entire clades, generally considered a rare process, can play a more substantial role than climate change and body size evolution in determining the sequent...Continue Reading

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Citations

Mar 16, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·S A Price, L Schmitz
Mar 16, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Charles R Marshall, Tiago B Quental
Mar 16, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Fabricio VillalobosJosé Alexandre F Diniz-Filho
Mar 16, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Thomas H G EzardMichael J Benton
Mar 16, 2016·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Daniele SilvestroAlexandre Antonelli
Aug 3, 2016·Molecular Phylogenetics and Evolution·Laura R V AlencarHussam Zaher
Oct 23, 2015·Proceedings. Biological Sciences·Mathias M PiresTiago B Quental
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May 26, 2017·Evolution; International Journal of Organic Evolution·Mathias M PiresTiago B Quental
Jun 15, 2017·Ecology Letters·Lee Hsiang LiowKjetil L Voje
Oct 27, 2017·Systematic Biology·Oskar HagenDaniele Silvestro
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Nov 4, 2020·Proceedings of the National Academy of Sciences of the United States of America·Fabien L CondamineAlexandre Antonelli
Nov 15, 2020·Proceedings of the National Academy of Sciences of the United States of America·H John B Birks
Feb 19, 2021·Evolution; International Journal of Organic Evolution·Susumu Tomiya, Lauren K Miller

Related Concepts

Biodiversity
Family canidae
Biological Evolution
Trees (plant)
Branching (Qualifier Value)
Glycoprotein D, Canid herpesvirus 1
Size
Carnivore
Acinonychinae
PCDHGA1 gene

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