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The roles of diet, speciation and extinction on bird diversification and frugivory network assembling

Grant number: 14/03621-9
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): June 01, 2016
Effective date (End): September 30, 2017
Field of knowledge:Biological Sciences - Ecology
Principal Investigator:Tiago Bosisio Quental
Grantee:Gustavo Burin Ferreira
Host Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:12/04072-3 - The role of extinction and speciation rates, and the effect of different levels of biological organization on the origin and maintenance of biodiversity, AP.JP


Biological interactions play an important role on the diversification of organisms. Macroevolutionary studies have usually focused on a broad evolutionary perspective (e.g. phylogenies of big clades) but usually adopt a simple characterization of species interactions. On the other hand ecological studies usually focus on well characterized interactions of a very few species although more recently ecologists have been able to characterize large ecological networks. A network approach can augment our understanding of the ecological roles played by different species but still lacks an evolutionary perspective preventing us to fully understand how ecological interactions are assembled. Using the available phylogeny, dietary data for all bird species (approximately 9965 species) and a large collection of frugivory networks, we will investigate the evolutionary consequences of diet on speciation and extinction rates, and the role of speciation and extinction on building ecological networks. We will first use both maximum likelihood and bayesian approaches to estimate the rates of speciation and extinction associated with different diet guild. Then we will test whether or not two recently developed phylogenetic methods are capable of detecting decline of diversity using molecular phylogenies. Lastly, we will use 23 published frugivory networks, different network metrics (e.g. closeness and betweenness centrality), and estimates of speciation and extinction rates to investigate if different ecological roles are played by species belonging to lineages with different diversity dynamics.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BURIN, GUSTAVO; ALENCAR, LAURA R. V.; CHANG, JONATHAN; ALFARO, MICHAEL E.; QUENTAL, TIAGO B.. How Well Can We Estimate Diversity Dynamics for Clades in Diversity Decline?. Systematic Biology, v. 68, n. 1, p. 47-62, . (12/04072-3, 14/03621-9, 12/02038-2)
VIEIRA DE ALENCAR, LAURA RODRIGUES; MARTINS, MARCIO; BURIN, GUSTAVO; QUENTAL, TIAGO BOSISIO. Arboreality constrains morphological evolution but not species diversification in vipers. PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, v. 284, n. 1869, . (12/04072-3, 11/50206-9, 14/03621-9, 12/02038-2)
BURIN, GUSTAVO; GUIMARAES JR, PAULO R.; QUENTAL, TIAGO B.. Macroevolutionary stability predicts interaction patterns of species in seed dispersal networks. Science, v. 372, n. 6543, p. 733+, . (18/04821-2, 12/04072-3, 14/03621-9, 18/14809-0, 18/05462-6)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FERREIRA, Gustavo Burin. The roles of diet, speciation and extinction on the diversification of birds, and on the assembly of frugivory networks. 2017. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Biociências (IBIOC/SB) São Paulo.

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