| Grant number: | 11/23419-1 |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| Start date: | June 01, 2012 |
| End date: | February 29, 2016 |
| Field of knowledge: | Biological Sciences - Zoology - Taxonomy of Recent Groups |
| Principal Investigator: | Mario Cesar Cardoso de Pinna |
| Grantee: | Fernando Cesar Paiva Dagosta |
| Host Institution: | Museu de Zoologia (MZ). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
Abstract The purpose of the project is to formulate biogeographical hypothesizes about the drainages which compound the Amazon basin and about it fishes through the employment of different methodologies. The Amazon basin holds the richest freshwater ichthyofauna of the world and presents a very complex geomorphological history, but, until now, there is no biogeographic study which integrates the large data available on scientific collections and published literature about the distribution and evolution of this ichthyofauna. Moreover, considering the problems involved with different biogeographic methods, the amazonian fishes still lack a study which employs quantitative methodologies and compare them. Hence, will be created a detailed database containing distributional information of Amazonian fishes from both published literature and personal observations on ichthyological collections and other with the results of several previous phylogenetic hypothesis of groups of fishes with Amazonian representatives. The BPA, PAE and Component Analysis methodologies will be used to study the relationships between the drainages which compound the Amazon basin, whereas DIVA and VIP methods will be employed to study the biogeographical history from the different groups of fishes. The results obtained from different methods will be compared and discussed in the light of previous biogeographic hypothesis of the Amazon basin and it fishes. The present study will be pioneer on assembly all distributional and phylogenetic information available in global and integrative analyses and methodologically objectives. | |
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