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Diversification Brian O’Meara EEB464 Fall 2015

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1 Diversification Brian O’Meara EEB464 Fall 2015 http://www.youtube.com/watch?v=b97sBw-sRNM

2 Stork. Insect diversity: facts, fiction, and speculation. Biological Journal of the Linnean Society (1988) vol. 35 pp. 321-337

3 1 species260,000 species Same age, same starting diversity: why the difference? © Scott Zona © autan© zen Sutherland © Greg & Marybeth Dimijlan © Steve Chilton

4 Farrell et al. Escalation of Plant Defense - Do Latex and Resin Canals Spur Plant Diversification. Am. Nat. (1991) vol. 138 (4) pp. 881-900

5 Farrell. "Inordinate fondness" explained: Why are there so many beetles?. Science (1998) vol. 281 (5376) pp. 555-559

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7 N(t) = N(0)e bt

8 Nee. Birth-death models in macroevolution. Annu Rev Ecol Syst (2006) vol. 37 pp. 1-17 N(t) = N(0)e bt ln(N(t)) = ln(N(0)e bt ) = ln(N(0)) + bt ln(N(0)) b = slope ln(2)

9 Nee. Birth-death models in macroevolution. Annu Rev Ecol Syst (2006) vol. 37 pp. 1-17 ln(N(t)) = ln(N(0)) + bt b = slope ln(2)

10 Nee. Birth-death models in macroevolution. Annu Rev Ecol Syst (2006) vol. 37 pp. 1-17 ln(N(t)) = ln(2) + bt b = slope ln(2)

11 Nee. Birth-death models in macroevolution. Annu Rev Ecol Syst (2006) vol. 37 pp. 1-17 ln(N(t)) = ln(2) + bt b = slope ln(2) ln(N(t))

12 Nee. Birth-death models in macroevolution. Annu Rev Ecol Syst (2006) vol. 37 pp. 1-17 ln(N(t)) = ln(2) + bt b = slope ln(2) t

13 Nee. Birth-death models in macroevolution. Annu Rev Ecol Syst (2006) vol. 37 pp. 1-17 ln(N(t)) = ln(2) + bt b = slope ln(2)

14 Nee. Birth-death models in macroevolution. Annu Rev Ecol Syst (2006) vol. 37 pp. 1-17 b = ( ln(N(t)) - ln(2) ) ÷ t b = slope ln(2)

15 b = ( ln(N(t)) - ln(2) ) ÷ t Magallón and Sanderson. Absolute diversification rates in angiosperm clades. Evolution (2001)

16 b = ( ln(N(t)) - ln(2) ) ÷ t Magallón and Sanderson. Absolute diversification rates in angiosperm clades. Evolution (2001)

17 b = ( ln(N(t)) - ln(2) ) ÷ t Magallón and Sanderson. Absolute diversification rates in angiosperm clades. Evolution (2001)

18 High diversification Low diversification

19 Nee et al. Extinction Rates can be Estimated from Molecular Phylogenies. Philosophical Transactions: Biological Sciences (1994) vol. 344 (1307) pp. 77-82

20 Actual Reconstructed

21 b=0.1, d=0 b=1.0, d=0.9

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23 Gavrilets and Losos. Adaptive Radiation: Contrasting Theory with Data. Science (2009) vol. 323 (5915) pp. 732-737

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25 Yoder et al. Ecological opportunity and the origin of adaptive radiations. Journal of Evolutionary Biology (2010) vol. 23 (8) pp. 1581-1596

26 Sanderson and Donoghue. Shifts in diversification rate with the origin of angiosperms. Science (1994)

27 Seehausen. African cichlid fish: a model system in adaptive radiation research. P R Soc B (2006) vol. 273 (1597) pp. 1987-1998

28 Crisp and Cook. EXPLOSIVE RADIATION OR CRYPTIC MASS EXTINCTION ? INTERPRETING SIGNATURES IN MOLECULAR PHYLOGENIES. Evolution (2009) vol. 63 (9) pp. 2257-2265

29 McKenna and Farrell. Tropical forests are both evolutionary cradles and museums of leaf beetle diversity. Proceedings of the National … (2006)

30 Rabosky and Lovette. Density-dependent diversification in North American wood warblers. Proceedings of the Royal Society of London (2008)

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32 Ree. Detecting the historical signature of key innovations using stochastic models of character evolution and cladogenesis. Evolution (2005) vol. 59 (2) pp. 257-265

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34 Alfaro et al. Nine exceptional radiations plus high turnover explain species diversity in jawed vertebrates. P Natl Acad Sci Usa (2009) vol. 106 (32) pp. 13410-13414


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