The Evolutionary Seesaw:                            Origins of Biodiversity?                                  Carl Boettig...
[ speciation ]Carl Boettiger, UC Davis        The Evolutionary Seesaw   2/22
[ biodiversity ]Carl Boettiger, UC Davis         The Evolutionary Seesaw   3/22
[ insects ]Carl Boettiger, UC Davis       The Evolutionary Seesaw   4/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   5/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   6/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   7/22
The Evolutionary SeesawCarl Boettiger, UC Davis   The Evolutionary Seesaw   8/22
1.0                          0.8                          0.6              exp(-x^2)             frequency    0.4         ...
Carl Boettiger, UC Davis   The Evolutionary Seesaw   10/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   11/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   12/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   13/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   14/22
Carl Boettiger, UC Davis   The Evolutionary Seesaw   15/22
preference                          1.0                          0.8                          0.6              exp(-x^2)  ...
Pairwise Invasibility Plot                                   1.0                           his position                   ...
Adding coexistence times                                    0.2                                   1.0                     ...
Puzzles of biodiversity, or, why so many beetles?       Understanding the control nobs of biodiversity                Popu...
Thanks!                                              IIASA            Ulf Dieckmann                                       ...
Calculating coexistence times                                                             „       »      –«               ...
Adding numerical data                                     0.1                           y trait                           ...
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Iiasa final

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Final presentation of my summer work at IIASA

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Iiasa final

  1. 1. The Evolutionary Seesaw: Origins of Biodiversity? Carl Boettiger UC Davis August 26, 2009Carl Boettiger, UC Davis The Evolutionary Seesaw 1/22
  2. 2. [ speciation ]Carl Boettiger, UC Davis The Evolutionary Seesaw 2/22
  3. 3. [ biodiversity ]Carl Boettiger, UC Davis The Evolutionary Seesaw 3/22
  4. 4. [ insects ]Carl Boettiger, UC Davis The Evolutionary Seesaw 4/22
  5. 5. Carl Boettiger, UC Davis The Evolutionary Seesaw 5/22
  6. 6. Carl Boettiger, UC Davis The Evolutionary Seesaw 6/22
  7. 7. Carl Boettiger, UC Davis The Evolutionary Seesaw 7/22
  8. 8. The Evolutionary SeesawCarl Boettiger, UC Davis The Evolutionary Seesaw 8/22
  9. 9. 1.0 0.8 0.6 exp(-x^2) frequency 0.4 0.2 0.0 -2 seed size -1 0 1 2Carl Boettiger, UC Davis The Evolutionary Seesaw 9/22
  10. 10. Carl Boettiger, UC Davis The Evolutionary Seesaw 10/22
  11. 11. Carl Boettiger, UC Davis The Evolutionary Seesaw 11/22
  12. 12. Carl Boettiger, UC Davis The Evolutionary Seesaw 12/22
  13. 13. Carl Boettiger, UC Davis The Evolutionary Seesaw 13/22
  14. 14. Carl Boettiger, UC Davis The Evolutionary Seesaw 14/22
  15. 15. Carl Boettiger, UC Davis The Evolutionary Seesaw 15/22
  16. 16. preference 1.0 0.8 0.6 exp(-x^2) frequency 0.4 0.2 0.0 -2 seed size -1 0 1 2Carl Boettiger, UC Davis The Evolutionary Seesaw 16/22
  17. 17. Pairwise Invasibility Plot 1.0 his position 0.5 1 * x 0.0 -0.5 -1.0 my position -1.0 -0.5 0.0 0.5 1.0 xCarl Boettiger, UC Davis The Evolutionary Seesaw 17/22
  18. 18. Adding coexistence times 0.2 1.0 his position 0.5 0.1 1 * x 0.0 0.0 -0.5 -0.1 -1.0 my position -0.1 0.0 0.1 0.2 -1.0 -0.5 0.0 0.5 1.0 xCarl Boettiger, UC Davis The Evolutionary Seesaw 18/22
  19. 19. Puzzles of biodiversity, or, why so many beetles? Understanding the control nobs of biodiversity Population size Mutation rate Competition strengthCarl Boettiger, UC Davis The Evolutionary Seesaw 19/22
  20. 20. Thanks! IIASA Ulf Dieckmann NAS Rupert Mazzucco UCD EEP Team CSGF, DoECarl Boettiger, UC Davis The Evolutionary Seesaw 20/22
  21. 21. Calculating coexistence times „ » –« z R 2A(x) R exp a dx B(x) Z x dy b dz y B(z) T (x) = 2 “R h i” (1) a y 2A(x) exp a dx B(x) "Energy" All A All BCarl Boettiger, UC Davis The Evolutionary Seesaw 21/22
  22. 22. Adding numerical data 0.1 y trait 0.0 -0.1 -0.2 -0.15 -0.10 -0.05 0.00 0.05 0.10 0.15 x traitCarl Boettiger, UC Davis The Evolutionary Seesaw 22/22
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