TESTING FOR DIFFERENT RATES OF CONTINUOUS TRAIT EVOLUTION USING LIKELIHOOD

Brian C. O’Meara; Cécile Ané; Michael J. Sanderson; Peter C. Wainwright

doi:10.1111/j.0014-3820.2006.tb01171.x

Abstract

Abstract Rates of phenotypic evolution have changed throughout the history of life, producing variation in levels of morphological, functional, and ecological diversity among groups. Testing for the presence of these rate shifts is a key component of evaluating hypotheses about what causes them. In this paper, general predictions regarding changes in phenotypic diversity as a function of evolutionary history and rates are developed, and tests are derived to evaluate rate changes. Simulations show that these tests are more powerful than existing tests using standardized contrasts. The new approaches are distributed in an application called Brownie and in r8s.

Keywords

BiologyTraitDiversity (politics)Evolutionary biologyVariation (astronomy)Life history theoryFunction (biology)Life historyStatisticsEcologyComputer scienceMathematics

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Publication Info

Year: 2006
Type: article
Volume: 60
Issue: 5
Pages: 922-933
Citations: 600
Access: Closed

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APA Style

                            
                                
                                    Brian C. O’Meara, 
                                
                                    Cécile Ané, 
                                
                                    Michael J. Sanderson
                                
                                et al.
                            
                            (2006). 
                            TESTING FOR DIFFERENT RATES OF CONTINUOUS TRAIT EVOLUTION USING LIKELIHOOD. 
                            Evolution
                            , 60
                            (5)
                            , 922-933.
                            https://doi.org/10.1111/j.0014-3820.2006.tb01171.x
                        

Identifiers

DOI: 10.1111/j.0014-3820.2006.tb01171.x