| Grant number: | 13/50741-7 |
| Support Opportunities: | BIOTA-FAPESP Program - Thematic Grants |
| Start date: | April 01, 2014 |
| End date: | April 30, 2020 |
| Field of knowledge: | Biological Sciences - Zoology |
| Principal Investigator: | Célio Fernando Baptista Haddad |
| Grantee: | Célio Fernando Baptista Haddad |
| Host Institution: | Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil |
| City of the host institution: | Rio Claro |
| Principal investigators | Julian Faivovich ; Kelly Raquel Zamudio ; Sanae Kasahara |
| Associated scholarship(s): | 17/26162-8 - Diversity and conservation of Brazilian amphibians,
BP.TT 17/26281-7 - Taxonomy and evolution in the genus Brachycephalus Fitzinger, 1826 (Anura: Brachycephalidae), BP.PD 17/23617-4 - Morphological and ontogenetic adaptations of eggs and embryos of frogs without free-swimming larva: evolutionary implications for the developmental modes, BP.PD + associated scholarships - associated scholarships |
Abstract
The degradation of natural ecosystems by human action has generated an unprecedented crisis in the biota of the planet. Besides the environmental deterioration caused by man, through fragmentation, degradation, or complete destruction of ecosystems, there are other serious problems, such as the introduction of exotic species, diseases, pollution / contamination, climate change, and the synergistic interaction of these factors. Among the organisms most affected are the amphibians, which facing serious population declines, local extinctions or even species extinctions. Alongside this framework of loss of diversity, the number of new species described is increasing in tropical regions as a result of investments in faunal surveys. The Brazilian official list of threatened amphibians has just been published and the picture in it is alarming, with an increase in the number of threatened species of the order of 150%. About 20 new species of amphibians have been described each year in Brazil, but it is difficult to determine today what will be the approximate final number, given the uncertainties and the vast areas of the country not yet prospected. Therefore, there is both a need for a better understanding of our diversity of amphibians not formally described yet as well as a need to better understand the roles played by the different factors that threaten Brazilian species. This project proposes approaches to evaluate these two major issues. (AU)
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