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Environmental DNA metabarcoding for detecting declining and disappeared amphibians species in southern Brazilian Atlantic forest

Grant number: 19/04849-7
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): July 01, 2019
Effective date (End): February 29, 2020
Field of knowledge:Biological Sciences - Zoology
Principal Investigator:Célio Fernando Baptista Haddad
Grantee:Carla Martins Lopes
Supervisor: Anthony Ari Chariton
Host Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Research place: Macquarie University, Australia  
Associated to the scholarship:16/14054-3 - Environmental DNA applied to monitoring and conservation studies of anurans in the Brazilian Atlantic Forest, BP.PD


Brazil has the highest amphibian diversity in the world, with over 1000 described species. In the southern Brazilian Atlantic forest researchers are reporting population declines and disappearances of amphibians, mainly after the 1970's. Most of these species is not classified in any level of threat in the IUCN red list, mainly due to the lack of information about their biology and geographical distributions. Search for DNA traces of these amphibian species that can remain in the environment (environmental DNA or eDNA) would allow us to monitor a wide geographical range in a short period of time, without the need for direct observation of individuals, and would ultimately increase our ability to survey the species. The aim of this study is therefore to provide information about the conservation status of declining or potentially disappeared amphibian species from southern Brazilian Atlantic forest, to be applied in conservation actions. We will analyze water samples from six sites using the eDNA metabarcoding approach to search for DNA traces of the target amphibian species. The results obtained will improve our knowledge about the geographical distribution of these species and whether the researches observations reflect true declines or disappearances of amphibians.

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