1 / 18

Rezende et al. 2006 Science

Rezende et al. 2006 Science. Rezende et al. 2007 Nature. Species degree: Number of links Species strength: sum of dependencies or interaction weights of animal species on that plant

dora-craig
Télécharger la présentation

Rezende et al. 2006 Science

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Rezende et al. 2006 Science

  2. Rezende et al. 2007 Nature

  3. Species degree: Number of links Species strength: sum of dependencies or interaction weights of animal species on that plant Ecological similarity (pairwise): The ecological similarity of any two species is defined as the number of species with which they both interact divided by the total number of species with which they interact

  4. Superior competitors will drive other species extinct, not identical competitors

  5. What happens if species are identical? What is equilibrium outcome?

  6. Stochastic dynamics drives one extinct if species are identical (or nearly so)

  7. Adler et al. 2007

  8. Adler et al. 2007

  9. Godoy et al. 2014

  10. Godoy et al. 2014

  11. Godoy et al. 2014

  12. Godoy et al. 2014

  13. Debate: in a small group defend or challenge this assertion: “The presence of a phylogenetic signal, where patterns of interactions between species can be partly explained by phylogenetic relatedness, would suggest that network patterns are partially dependent on past evolutionary history, and so cannot be exclusively explained by current ecological processes” (Rezende et al. 2007)

More Related