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Cascading effects of defaunation on seed dispersal process: primate - plant interactions in the Atlantic rainforest

Grant number: 10/16075-1
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): February 01, 2011
Effective date (End): December 31, 2013
Field of knowledge:Biological Sciences - Ecology - Ecosystems Ecology
Principal Investigator:Mauro Galetti Rodrigues
Grantee:Laurence Marianne Vincianne Culot
Host Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Associated research grant:07/03392-6 - Effects of the defaunation gradient on plant herbivory, seed predation and dispersal: the Atlantic Rainforest perspective, AP.TEM


Combining with a high deforestation rate, poaching in the Atlantic forest threatens plant and animal populations. Most hunted mammals are medium and large body-sized herbivores, seed dispersers or seed predators. The local extinction of this fauna creates so-called "empty forests", with vegetation apparently intact but altered in its plant-animal interactions. Therefore, cascading effects on the demographic and genetic structure of plant populations are expected, especially for large-seeded species needing large seed dispersers. This post-doctoral project aims at determining the cascading effects of defaunation on plant-animal interactions, focusing on local extinctions of large primates. We are going to determine the effect of defaunation on the demographic and genetic structure of a large-seeded species, Cryptocarya mandioccana (Lauraceae), along a defaunation gradient in the Atlantic Forest. Specifically, we pretend to determine the qualitative and quantitative contribution of each seed disperser to the reproductive success of C. mandioccana through the combination of behavioural data, field experiments and gene flow.

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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)
BELLO, CAROLINA; CULOT, LAURENCE; AGUDELO, CESAR AUGUSTO RUIZ; GALETTI, MAURO. Valuing the economic impacts of seed dispersal loss on voluntary carbon markets. ECOSYSTEM SERVICES, v. 52, . (13/22492-2, 14/01986-0, 10/16075-1, 14/14739-0)
THABATA CARVALHO; GIULIANA GARCIA; CAROLINA SILVA CARVALHO; CLARISSE PALMA-SILVA; LAURENCE CULOT. Desenvolvimento de locos de microssatélites para Cryptocarya mandioccana Meisner (Lauraceae) e o sucesso de genotipagem em diferentes tecidos. Hoehnea, v. 44, n. 4, p. 580-587, . (14/20622-9, 14/01029-5, 14/20621-2, 10/16075-1, 14/14739-0, 09/52725-3)
CULOT, LAURENCE; BELLO, CAROLINA; FERREIRA BATISTA, JOAO LUIS; ZARATE DO COUTO, HILTON THADEU; GALETTI, MAURO. Synergistic effects of seed disperser and predator loss on recruitment success and long-term consequences for carbon stocks in tropical rainforests. SCIENTIFIC REPORTS, v. 7, . (14/01986-0, 10/16075-1, 14/14739-0, 13/22492-2)

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